Linux-libre 4.7.1-gnupck-4.7.1-gnu

16 files changed, 366 insertions, 145 deletions

diff --git a/drivers/iio/accel/Kconfig b/drivers/iio/accel/Kconfig
index b0d3ecf33..e4a758cd7 100644
--- a/drivers/iio/accel/Kconfig
+++ b/drivers/iio/accel/Kconfig
@@ -64,7 +64,7 @@ config IIO_ST_ACCEL_3AXIS
 	help
 	  Say yes here to build support for STMicroelectronics accelerometers:
 	  LSM303DLH, LSM303DLHC, LIS3DH, LSM330D, LSM330DL, LSM330DLC,
-	  LIS331DLH, LSM303DL, LSM303DLM, LSM330, LIS2DH12.
+	  LIS331DLH, LSM303DL, LSM303DLM, LSM330, LIS2DH12, H3LIS331DL.
 
 	  This driver can also be built as a module. If so, these modules
 	  will be created:
@@ -143,7 +143,8 @@ config MMA8452
 	select IIO_TRIGGERED_BUFFER
 	help
 	  Say yes here to build support for the following Freescale 3-axis
-	  accelerometers: MMA8451Q, MMA8452Q, MMA8453Q, MMA8652FC, MMA8653FC.
+	  accelerometers: MMA8451Q, MMA8452Q, MMA8453Q, MMA8652FC, MMA8653FC,
+	  FXLS8471Q.
 
 	  To compile this driver as a module, choose M here: the module
 	  will be called mma8452.
diff --git a/drivers/iio/accel/bmc150-accel-core.c b/drivers/iio/accel/bmc150-accel-core.c
index 2072a31e8..197e693e7 100644
--- a/drivers/iio/accel/bmc150-accel-core.c
+++ b/drivers/iio/accel/bmc150-accel-core.c
@@ -25,7 +25,6 @@
 #include <linux/delay.h>
 #include <linux/slab.h>
 #include <linux/acpi.h>
-#include <linux/gpio/consumer.h>
 #include <linux/pm.h>
 #include <linux/pm_runtime.h>
 #include <linux/iio/iio.h>
@@ -138,6 +137,7 @@ enum bmc150_accel_axis {
 	AXIS_X,
 	AXIS_Y,
 	AXIS_Z,
+	AXIS_MAX,
 };
 
 enum bmc150_power_modes {
@@ -188,7 +188,6 @@ enum bmc150_accel_trigger_id {
 
 struct bmc150_accel_data {
 	struct regmap *regmap;
-	struct device *dev;
 	int irq;
 	struct bmc150_accel_interrupt interrupts[BMC150_ACCEL_INTERRUPTS];
 	atomic_t active_intr;
@@ -246,16 +245,18 @@ static const struct {
 				       {500000, BMC150_ACCEL_SLEEP_500_MS},
 				       {1000000, BMC150_ACCEL_SLEEP_1_SEC} };
 
-static const struct regmap_config bmc150_i2c_regmap_conf = {
+const struct regmap_config bmc150_regmap_conf = {
 	.reg_bits = 8,
 	.val_bits = 8,
 	.max_register = 0x3f,
 };
+EXPORT_SYMBOL_GPL(bmc150_regmap_conf);
 
 static int bmc150_accel_set_mode(struct bmc150_accel_data *data,
 				 enum bmc150_power_modes mode,
 				 int dur_us)
 {
+	struct device *dev = regmap_get_device(data->regmap);
 	int i;
 	int ret;
 	u8 lpw_bits;
@@ -279,11 +280,11 @@ static int bmc150_accel_set_mode(struct bmc150_accel_data *data,
 	lpw_bits = mode << BMC150_ACCEL_PMU_MODE_SHIFT;
 	lpw_bits |= (dur_val << BMC150_ACCEL_PMU_BIT_SLEEP_DUR_SHIFT);
 
-	dev_dbg(data->dev, "Set Mode bits %x\n", lpw_bits);
+	dev_dbg(dev, "Set Mode bits %x\n", lpw_bits);
 
 	ret = regmap_write(data->regmap, BMC150_ACCEL_REG_PMU_LPW, lpw_bits);
 	if (ret < 0) {
-		dev_err(data->dev, "Error writing reg_pmu_lpw\n");
+		dev_err(dev, "Error writing reg_pmu_lpw\n");
 		return ret;
 	}
 
@@ -316,23 +317,24 @@ static int bmc150_accel_set_bw(struct bmc150_accel_data *data, int val,
 
 static int bmc150_accel_update_slope(struct bmc150_accel_data *data)
 {
+	struct device *dev = regmap_get_device(data->regmap);
 	int ret;
 
 	ret = regmap_write(data->regmap, BMC150_ACCEL_REG_INT_6,
 					data->slope_thres);
 	if (ret < 0) {
-		dev_err(data->dev, "Error writing reg_int_6\n");
+		dev_err(dev, "Error writing reg_int_6\n");
 		return ret;
 	}
 
 	ret = regmap_update_bits(data->regmap, BMC150_ACCEL_REG_INT_5,
 				 BMC150_ACCEL_SLOPE_DUR_MASK, data->slope_dur);
 	if (ret < 0) {
-		dev_err(data->dev, "Error updating reg_int_5\n");
+		dev_err(dev, "Error updating reg_int_5\n");
 		return ret;
 	}
 
-	dev_dbg(data->dev, "%s: %x %x\n", __func__, data->slope_thres,
+	dev_dbg(dev, "%s: %x %x\n", __func__, data->slope_thres,
 		data->slope_dur);
 
 	return ret;
@@ -378,20 +380,21 @@ static int bmc150_accel_get_startup_times(struct bmc150_accel_data *data)
 
 static int bmc150_accel_set_power_state(struct bmc150_accel_data *data, bool on)
 {
+	struct device *dev = regmap_get_device(data->regmap);
 	int ret;
 
 	if (on) {
-		ret = pm_runtime_get_sync(data->dev);
+		ret = pm_runtime_get_sync(dev);
 	} else {
-		pm_runtime_mark_last_busy(data->dev);
-		ret = pm_runtime_put_autosuspend(data->dev);
+		pm_runtime_mark_last_busy(dev);
+		ret = pm_runtime_put_autosuspend(dev);
 	}
 
 	if (ret < 0) {
-		dev_err(data->dev,
+		dev_err(dev,
 			"Failed: bmc150_accel_set_power_state for %d\n", on);
 		if (on)
-			pm_runtime_put_noidle(data->dev);
+			pm_runtime_put_noidle(dev);
 
 		return ret;
 	}
@@ -445,6 +448,7 @@ static void bmc150_accel_interrupts_setup(struct iio_dev *indio_dev,
 static int bmc150_accel_set_interrupt(struct bmc150_accel_data *data, int i,
 				      bool state)
 {
+	struct device *dev = regmap_get_device(data->regmap);
 	struct bmc150_accel_interrupt *intr = &data->interrupts[i];
 	const struct bmc150_accel_interrupt_info *info = intr->info;
 	int ret;
@@ -474,7 +478,7 @@ static int bmc150_accel_set_interrupt(struct bmc150_accel_data *data, int i,
 	ret = regmap_update_bits(data->regmap, info->map_reg, info->map_bitmask,
 				 (state ? info->map_bitmask : 0));
 	if (ret < 0) {
-		dev_err(data->dev, "Error updating reg_int_map\n");
+		dev_err(dev, "Error updating reg_int_map\n");
 		goto out_fix_power_state;
 	}
 
@@ -482,7 +486,7 @@ static int bmc150_accel_set_interrupt(struct bmc150_accel_data *data, int i,
 	ret = regmap_update_bits(data->regmap, info->en_reg, info->en_bitmask,
 				 (state ? info->en_bitmask : 0));
 	if (ret < 0) {
-		dev_err(data->dev, "Error updating reg_int_en\n");
+		dev_err(dev, "Error updating reg_int_en\n");
 		goto out_fix_power_state;
 	}
 
@@ -500,6 +504,7 @@ out_fix_power_state:
 
 static int bmc150_accel_set_scale(struct bmc150_accel_data *data, int val)
 {
+	struct device *dev = regmap_get_device(data->regmap);
 	int ret, i;
 
 	for (i = 0; i < ARRAY_SIZE(data->chip_info->scale_table); ++i) {
@@ -508,8 +513,7 @@ static int bmc150_accel_set_scale(struct bmc150_accel_data *data, int val)
 				     BMC150_ACCEL_REG_PMU_RANGE,
 				     data->chip_info->scale_table[i].reg_range);
 			if (ret < 0) {
-				dev_err(data->dev,
-					"Error writing pmu_range\n");
+				dev_err(dev, "Error writing pmu_range\n");
 				return ret;
 			}
 
@@ -523,6 +527,7 @@ static int bmc150_accel_set_scale(struct bmc150_accel_data *data, int val)
 
 static int bmc150_accel_get_temp(struct bmc150_accel_data *data, int *val)
 {
+	struct device *dev = regmap_get_device(data->regmap);
 	int ret;
 	unsigned int value;
 
@@ -530,7 +535,7 @@ static int bmc150_accel_get_temp(struct bmc150_accel_data *data, int *val)
 
 	ret = regmap_read(data->regmap, BMC150_ACCEL_REG_TEMP, &value);
 	if (ret < 0) {
-		dev_err(data->dev, "Error reading reg_temp\n");
+		dev_err(dev, "Error reading reg_temp\n");
 		mutex_unlock(&data->mutex);
 		return ret;
 	}
@@ -545,6 +550,7 @@ static int bmc150_accel_get_axis(struct bmc150_accel_data *data,
 				 struct iio_chan_spec const *chan,
 				 int *val)
 {
+	struct device *dev = regmap_get_device(data->regmap);
 	int ret;
 	int axis = chan->scan_index;
 	__le16 raw_val;
@@ -559,7 +565,7 @@ static int bmc150_accel_get_axis(struct bmc150_accel_data *data,
 	ret = regmap_bulk_read(data->regmap, BMC150_ACCEL_AXIS_TO_REG(axis),
 			       &raw_val, sizeof(raw_val));
 	if (ret < 0) {
-		dev_err(data->dev, "Error reading axis %d\n", axis);
+		dev_err(dev, "Error reading axis %d\n", axis);
 		bmc150_accel_set_power_state(data, false);
 		mutex_unlock(&data->mutex);
 		return ret;
@@ -831,6 +837,7 @@ static int bmc150_accel_set_watermark(struct iio_dev *indio_dev, unsigned val)
 static int bmc150_accel_fifo_transfer(struct bmc150_accel_data *data,
 				      char *buffer, int samples)
 {
+	struct device *dev = regmap_get_device(data->regmap);
 	int sample_length = 3 * 2;
 	int ret;
 	int total_length = samples * sample_length;
@@ -854,7 +861,8 @@ static int bmc150_accel_fifo_transfer(struct bmc150_accel_data *data,
 	}
 
 	if (ret)
-		dev_err(data->dev, "Error transferring data from fifo in single steps of %zu\n",
+		dev_err(dev,
+			"Error transferring data from fifo in single steps of %zu\n",
 			step);
 
 	return ret;
@@ -864,6 +872,7 @@ static int __bmc150_accel_fifo_flush(struct iio_dev *indio_dev,
 				     unsigned samples, bool irq)
 {
 	struct bmc150_accel_data *data = iio_priv(indio_dev);
+	struct device *dev = regmap_get_device(data->regmap);
 	int ret, i;
 	u8 count;
 	u16 buffer[BMC150_ACCEL_FIFO_LENGTH * 3];
@@ -873,7 +882,7 @@ static int __bmc150_accel_fifo_flush(struct iio_dev *indio_dev,
 
 	ret = regmap_read(data->regmap, BMC150_ACCEL_REG_FIFO_STATUS, &val);
 	if (ret < 0) {
-		dev_err(data->dev, "Error reading reg_fifo_status\n");
+		dev_err(dev, "Error reading reg_fifo_status\n");
 		return ret;
 	}
 
@@ -1105,27 +1114,23 @@ static const struct iio_info bmc150_accel_info_fifo = {
 	.driver_module		= THIS_MODULE,
 };
 
+static const unsigned long bmc150_accel_scan_masks[] = {
+					BIT(AXIS_X) | BIT(AXIS_Y) | BIT(AXIS_Z),
+					0};
+
 static irqreturn_t bmc150_accel_trigger_handler(int irq, void *p)
 {
 	struct iio_poll_func *pf = p;
 	struct iio_dev *indio_dev = pf->indio_dev;
 	struct bmc150_accel_data *data = iio_priv(indio_dev);
-	int bit, ret, i = 0;
-	unsigned int raw_val;
+	int ret;
 
 	mutex_lock(&data->mutex);
-	for_each_set_bit(bit, indio_dev->active_scan_mask,
-			 indio_dev->masklength) {
-		ret = regmap_bulk_read(data->regmap,
-				       BMC150_ACCEL_AXIS_TO_REG(bit), &raw_val,
-				       2);
-		if (ret < 0) {
-			mutex_unlock(&data->mutex);
-			goto err_read;
-		}
-		data->buffer[i++] = raw_val;
-	}
+	ret = regmap_bulk_read(data->regmap, BMC150_ACCEL_REG_XOUT_L,
+			       data->buffer, AXIS_MAX * 2);
 	mutex_unlock(&data->mutex);
+	if (ret < 0)
+		goto err_read;
 
 	iio_push_to_buffers_with_timestamp(indio_dev, data->buffer,
 					   pf->timestamp);
@@ -1139,6 +1144,7 @@ static int bmc150_accel_trig_try_reen(struct iio_trigger *trig)
 {
 	struct bmc150_accel_trigger *t = iio_trigger_get_drvdata(trig);
 	struct bmc150_accel_data *data = t->data;
+	struct device *dev = regmap_get_device(data->regmap);
 	int ret;
 
 	/* new data interrupts don't need ack */
@@ -1152,8 +1158,7 @@ static int bmc150_accel_trig_try_reen(struct iio_trigger *trig)
 			   BMC150_ACCEL_INT_MODE_LATCH_RESET);
 	mutex_unlock(&data->mutex);
 	if (ret < 0) {
-		dev_err(data->dev,
-			"Error writing reg_int_rst_latch\n");
+		dev_err(dev, "Error writing reg_int_rst_latch\n");
 		return ret;
 	}
 
@@ -1204,13 +1209,14 @@ static const struct iio_trigger_ops bmc150_accel_trigger_ops = {
 static int bmc150_accel_handle_roc_event(struct iio_dev *indio_dev)
 {
 	struct bmc150_accel_data *data = iio_priv(indio_dev);
+	struct device *dev = regmap_get_device(data->regmap);
 	int dir;
 	int ret;
 	unsigned int val;
 
 	ret = regmap_read(data->regmap, BMC150_ACCEL_REG_INT_STATUS_2, &val);
 	if (ret < 0) {
-		dev_err(data->dev, "Error reading reg_int_status_2\n");
+		dev_err(dev, "Error reading reg_int_status_2\n");
 		return ret;
 	}
 
@@ -1253,6 +1259,7 @@ static irqreturn_t bmc150_accel_irq_thread_handler(int irq, void *private)
 {
 	struct iio_dev *indio_dev = private;
 	struct bmc150_accel_data *data = iio_priv(indio_dev);
+	struct device *dev = regmap_get_device(data->regmap);
 	bool ack = false;
 	int ret;
 
@@ -1276,7 +1283,7 @@ static irqreturn_t bmc150_accel_irq_thread_handler(int irq, void *private)
 				   BMC150_ACCEL_INT_MODE_LATCH_INT |
 				   BMC150_ACCEL_INT_MODE_LATCH_RESET);
 		if (ret)
-			dev_err(data->dev, "Error writing reg_int_rst_latch\n");
+			dev_err(dev, "Error writing reg_int_rst_latch\n");
 
 		ret = IRQ_HANDLED;
 	} else {
@@ -1347,13 +1354,14 @@ static void bmc150_accel_unregister_triggers(struct bmc150_accel_data *data,
 static int bmc150_accel_triggers_setup(struct iio_dev *indio_dev,
 				       struct bmc150_accel_data *data)
 {
+	struct device *dev = regmap_get_device(data->regmap);
 	int i, ret;
 
 	for (i = 0; i < BMC150_ACCEL_TRIGGERS; i++) {
 		struct bmc150_accel_trigger *t = &data->triggers[i];
 
-		t->indio_trig = devm_iio_trigger_alloc(data->dev,
-					       bmc150_accel_triggers[i].name,
+		t->indio_trig = devm_iio_trigger_alloc(dev,
+					bmc150_accel_triggers[i].name,
 						       indio_dev->name,
 						       indio_dev->id);
 		if (!t->indio_trig) {
@@ -1361,7 +1369,7 @@ static int bmc150_accel_triggers_setup(struct iio_dev *indio_dev,
 			break;
 		}
 
-		t->indio_trig->dev.parent = data->dev;
+		t->indio_trig->dev.parent = dev;
 		t->indio_trig->ops = &bmc150_accel_trigger_ops;
 		t->intr = bmc150_accel_triggers[i].intr;
 		t->data = data;
@@ -1385,12 +1393,13 @@ static int bmc150_accel_triggers_setup(struct iio_dev *indio_dev,
 
 static int bmc150_accel_fifo_set_mode(struct bmc150_accel_data *data)
 {
+	struct device *dev = regmap_get_device(data->regmap);
 	u8 reg = BMC150_ACCEL_REG_FIFO_CONFIG1;
 	int ret;
 
 	ret = regmap_write(data->regmap, reg, data->fifo_mode);
 	if (ret < 0) {
-		dev_err(data->dev, "Error writing reg_fifo_config1\n");
+		dev_err(dev, "Error writing reg_fifo_config1\n");
 		return ret;
 	}
 
@@ -1400,7 +1409,7 @@ static int bmc150_accel_fifo_set_mode(struct bmc150_accel_data *data)
 	ret = regmap_write(data->regmap, BMC150_ACCEL_REG_FIFO_CONFIG0,
 			   data->watermark);
 	if (ret < 0)
-		dev_err(data->dev, "Error writing reg_fifo_config0\n");
+		dev_err(dev, "Error writing reg_fifo_config0\n");
 
 	return ret;
 }
@@ -1484,17 +1493,17 @@ static const struct iio_buffer_setup_ops bmc150_accel_buffer_ops = {
 
 static int bmc150_accel_chip_init(struct bmc150_accel_data *data)
 {
+	struct device *dev = regmap_get_device(data->regmap);
 	int ret, i;
 	unsigned int val;
 
 	ret = regmap_read(data->regmap, BMC150_ACCEL_REG_CHIP_ID, &val);
 	if (ret < 0) {
-		dev_err(data->dev,
-			"Error: Reading chip id\n");
+		dev_err(dev, "Error: Reading chip id\n");
 		return ret;
 	}
 
-	dev_dbg(data->dev, "Chip Id %x\n", val);
+	dev_dbg(dev, "Chip Id %x\n", val);
 	for (i = 0; i < ARRAY_SIZE(bmc150_accel_chip_info_tbl); i++) {
 		if (bmc150_accel_chip_info_tbl[i].chip_id == val) {
 			data->chip_info = &bmc150_accel_chip_info_tbl[i];
@@ -1503,7 +1512,7 @@ static int bmc150_accel_chip_init(struct bmc150_accel_data *data)
 	}
 
 	if (!data->chip_info) {
-		dev_err(data->dev, "Invalid chip %x\n", val);
+		dev_err(dev, "Invalid chip %x\n", val);
 		return -ENODEV;
 	}
 
@@ -1520,8 +1529,7 @@ static int bmc150_accel_chip_init(struct bmc150_accel_data *data)
 	ret = regmap_write(data->regmap, BMC150_ACCEL_REG_PMU_RANGE,
 			   BMC150_ACCEL_DEF_RANGE_4G);
 	if (ret < 0) {
-		dev_err(data->dev,
-					"Error writing reg_pmu_range\n");
+		dev_err(dev, "Error writing reg_pmu_range\n");
 		return ret;
 	}
 
@@ -1539,8 +1547,7 @@ static int bmc150_accel_chip_init(struct bmc150_accel_data *data)
 			   BMC150_ACCEL_INT_MODE_LATCH_INT |
 			   BMC150_ACCEL_INT_MODE_LATCH_RESET);
 	if (ret < 0) {
-		dev_err(data->dev,
-			"Error writing reg_int_rst_latch\n");
+		dev_err(dev, "Error writing reg_int_rst_latch\n");
 		return ret;
 	}
 
@@ -1560,7 +1567,6 @@ int bmc150_accel_core_probe(struct device *dev, struct regmap *regmap, int irq,
 
 	data = iio_priv(indio_dev);
 	dev_set_drvdata(dev, indio_dev);
-	data->dev = dev;
 	data->irq = irq;
 
 	data->regmap = regmap;
@@ -1575,6 +1581,7 @@ int bmc150_accel_core_probe(struct device *dev, struct regmap *regmap, int irq,
 	indio_dev->channels = data->chip_info->channels;
 	indio_dev->num_channels = data->chip_info->num_channels;
 	indio_dev->name = name ? name : data->chip_info->name;
+	indio_dev->available_scan_masks = bmc150_accel_scan_masks;
 	indio_dev->modes = INDIO_DIRECT_MODE;
 	indio_dev->info = &bmc150_accel_info;
 
@@ -1583,13 +1590,13 @@ int bmc150_accel_core_probe(struct device *dev, struct regmap *regmap, int irq,
 					 bmc150_accel_trigger_handler,
 					 &bmc150_accel_buffer_ops);
 	if (ret < 0) {
-		dev_err(data->dev, "Failed: iio triggered buffer setup\n");
+		dev_err(dev, "Failed: iio triggered buffer setup\n");
 		return ret;
 	}
 
 	if (data->irq > 0) {
 		ret = devm_request_threaded_irq(
-						data->dev, data->irq,
+						dev, data->irq,
 						bmc150_accel_irq_handler,
 						bmc150_accel_irq_thread_handler,
 						IRQF_TRIGGER_RISING,
@@ -1607,7 +1614,7 @@ int bmc150_accel_core_probe(struct device *dev, struct regmap *regmap, int irq,
 		ret = regmap_write(data->regmap, BMC150_ACCEL_REG_INT_RST_LATCH,
 				   BMC150_ACCEL_INT_MODE_LATCH_RESET);
 		if (ret < 0) {
-			dev_err(data->dev, "Error writing reg_int_rst_latch\n");
+			dev_err(dev, "Error writing reg_int_rst_latch\n");
 			goto err_buffer_cleanup;
 		}
 
@@ -1656,9 +1663,9 @@ int bmc150_accel_core_remove(struct device *dev)
 
 	iio_device_unregister(indio_dev);
 
-	pm_runtime_disable(data->dev);
-	pm_runtime_set_suspended(data->dev);
-	pm_runtime_put_noidle(data->dev);
+	pm_runtime_disable(dev);
+	pm_runtime_set_suspended(dev);
+	pm_runtime_put_noidle(dev);
 
 	bmc150_accel_unregister_triggers(data, BMC150_ACCEL_TRIGGERS - 1);
 
@@ -1707,7 +1714,7 @@ static int bmc150_accel_runtime_suspend(struct device *dev)
 	struct bmc150_accel_data *data = iio_priv(indio_dev);
 	int ret;
 
-	dev_dbg(data->dev,  __func__);
+	dev_dbg(dev,  __func__);
 	ret = bmc150_accel_set_mode(data, BMC150_ACCEL_SLEEP_MODE_SUSPEND, 0);
 	if (ret < 0)
 		return -EAGAIN;
@@ -1722,7 +1729,7 @@ static int bmc150_accel_runtime_resume(struct device *dev)
 	int ret;
 	int sleep_val;
 
-	dev_dbg(data->dev,  __func__);
+	dev_dbg(dev,  __func__);
 
 	ret = bmc150_accel_set_mode(data, BMC150_ACCEL_SLEEP_MODE_NORMAL, 0);
 	if (ret < 0)
diff --git a/drivers/iio/accel/bmc150-accel-i2c.c b/drivers/iio/accel/bmc150-accel-i2c.c
index b41404ba3..8ca804126 100644
--- a/drivers/iio/accel/bmc150-accel-i2c.c
+++ b/drivers/iio/accel/bmc150-accel-i2c.c
@@ -28,11 +28,6 @@
 
 #include "bmc150-accel.h"
 
-static const struct regmap_config bmc150_i2c_regmap_conf = {
-	.reg_bits = 8,
-	.val_bits = 8,
-};
-
 static int bmc150_accel_probe(struct i2c_client *client,
 			      const struct i2c_device_id *id)
 {
@@ -43,7 +38,7 @@ static int bmc150_accel_probe(struct i2c_client *client,
 		i2c_check_functionality(client->adapter,
 					I2C_FUNC_SMBUS_READ_I2C_BLOCK);
 
-	regmap = devm_regmap_init_i2c(client, &bmc150_i2c_regmap_conf);
+	regmap = devm_regmap_init_i2c(client, &bmc150_regmap_conf);
 	if (IS_ERR(regmap)) {
 		dev_err(&client->dev, "Failed to initialize i2c regmap\n");
 		return PTR_ERR(regmap);
diff --git a/drivers/iio/accel/bmc150-accel-spi.c b/drivers/iio/accel/bmc150-accel-spi.c
index 16b66f2a7..006794a70 100644
--- a/drivers/iio/accel/bmc150-accel-spi.c
+++ b/drivers/iio/accel/bmc150-accel-spi.c
@@ -25,18 +25,12 @@
 
 #include "bmc150-accel.h"
 
-static const struct regmap_config bmc150_spi_regmap_conf = {
-	.reg_bits = 8,
-	.val_bits = 8,
-	.max_register = 0x3f,
-};
-
 static int bmc150_accel_probe(struct spi_device *spi)
 {
 	struct regmap *regmap;
 	const struct spi_device_id *id = spi_get_device_id(spi);
 
-	regmap = devm_regmap_init_spi(spi, &bmc150_spi_regmap_conf);
+	regmap = devm_regmap_init_spi(spi, &bmc150_regmap_conf);
 	if (IS_ERR(regmap)) {
 		dev_err(&spi->dev, "Failed to initialize spi regmap\n");
 		return PTR_ERR(regmap);
diff --git a/drivers/iio/accel/bmc150-accel.h b/drivers/iio/accel/bmc150-accel.h
index ba0335987..38a8b11f8 100644
--- a/drivers/iio/accel/bmc150-accel.h
+++ b/drivers/iio/accel/bmc150-accel.h
@@ -16,5 +16,6 @@ int bmc150_accel_core_probe(struct device *dev, struct regmap *regmap, int irq,
 			    const char *name, bool block_supported);
 int bmc150_accel_core_remove(struct device *dev);
 extern const struct dev_pm_ops bmc150_accel_pm_ops;
+extern const struct regmap_config bmc150_regmap_conf;
 
 #endif  /* _BMC150_ACCEL_H_ */
diff --git a/drivers/iio/accel/kxcjk-1013.c b/drivers/iio/accel/kxcjk-1013.c
index edec1d099..bfe219a8b 100644
--- a/drivers/iio/accel/kxcjk-1013.c
+++ b/drivers/iio/accel/kxcjk-1013.c
@@ -20,7 +20,6 @@
 #include <linux/slab.h>
 #include <linux/string.h>
 #include <linux/acpi.h>
-#include <linux/gpio/consumer.h>
 #include <linux/pm.h>
 #include <linux/pm_runtime.h>
 #include <linux/iio/iio.h>
@@ -115,6 +114,7 @@ enum kxcjk1013_axis {
 	AXIS_X,
 	AXIS_Y,
 	AXIS_Z,
+	AXIS_MAX,
 };
 
 enum kxcjk1013_mode {
@@ -922,7 +922,7 @@ static const struct iio_event_spec kxcjk1013_event = {
 		.realbits = 12,						\
 		.storagebits = 16,					\
 		.shift = 4,						\
-		.endianness = IIO_CPU,					\
+		.endianness = IIO_LE,					\
 	},								\
 	.event_spec = &kxcjk1013_event,				\
 	.num_event_specs = 1						\
@@ -953,25 +953,23 @@ static const struct iio_info kxcjk1013_info = {
 	.driver_module		= THIS_MODULE,
 };
 
+static const unsigned long kxcjk1013_scan_masks[] = {0x7, 0};
+
 static irqreturn_t kxcjk1013_trigger_handler(int irq, void *p)
 {
 	struct iio_poll_func *pf = p;
 	struct iio_dev *indio_dev = pf->indio_dev;
 	struct kxcjk1013_data *data = iio_priv(indio_dev);
-	int bit, ret, i = 0;
+	int ret;
 
 	mutex_lock(&data->mutex);
-
-	for_each_set_bit(bit, indio_dev->active_scan_mask,
-			 indio_dev->masklength) {
-		ret = kxcjk1013_get_acc_reg(data, bit);
-		if (ret < 0) {
-			mutex_unlock(&data->mutex);
-			goto err;
-		}
-		data->buffer[i++] = ret;
-	}
+	ret = i2c_smbus_read_i2c_block_data_or_emulated(data->client,
+							KXCJK1013_REG_XOUT_L,
+							AXIS_MAX * 2,
+							(u8 *)data->buffer);
 	mutex_unlock(&data->mutex);
+	if (ret < 0)
+		goto err;
 
 	iio_push_to_buffers_with_timestamp(indio_dev, data->buffer,
 					   data->timestamp);
@@ -1204,6 +1202,7 @@ static int kxcjk1013_probe(struct i2c_client *client,
 	indio_dev->dev.parent = &client->dev;
 	indio_dev->channels = kxcjk1013_channels;
 	indio_dev->num_channels = ARRAY_SIZE(kxcjk1013_channels);
+	indio_dev->available_scan_masks = kxcjk1013_scan_masks;
 	indio_dev->name = name;
 	indio_dev->modes = INDIO_DIRECT_MODE;
 	indio_dev->info = &kxcjk1013_info;
diff --git a/drivers/iio/accel/mma7455_core.c b/drivers/iio/accel/mma7455_core.c
index c633cc2c0..c902f54c2 100644
--- a/drivers/iio/accel/mma7455_core.c
+++ b/drivers/iio/accel/mma7455_core.c
@@ -55,11 +55,11 @@
 
 struct mma7455_data {
 	struct regmap *regmap;
-	struct device *dev;
 };
 
 static int mma7455_drdy(struct mma7455_data *mma7455)
 {
+	struct device *dev = regmap_get_device(mma7455->regmap);
 	unsigned int reg;
 	int tries = 3;
 	int ret;
@@ -75,7 +75,7 @@ static int mma7455_drdy(struct mma7455_data *mma7455)
 		msleep(20);
 	}
 
-	dev_warn(mma7455->dev, "data not ready\n");
+	dev_warn(dev, "data not ready\n");
 
 	return -EIO;
 }
@@ -260,7 +260,6 @@ int mma7455_core_probe(struct device *dev, struct regmap *regmap,
 	dev_set_drvdata(dev, indio_dev);
 	mma7455 = iio_priv(indio_dev);
 	mma7455->regmap = regmap;
-	mma7455->dev = dev;
 
 	indio_dev->info = &mma7455_info;
 	indio_dev->name = name;
diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c
index 7f4994f32..e225d3c53 100644
--- a/drivers/iio/accel/mma8452.c
+++ b/drivers/iio/accel/mma8452.c
@@ -6,6 +6,7 @@
  * MMA8453Q (10 bit)
  * MMA8652FC (12 bit)
  * MMA8653FC (10 bit)
+ * FXLS8471Q (14 bit)
  *
  * Copyright 2015 Martin Kepplinger <martin.kepplinger@theobroma-systems.com>
  * Copyright 2014 Peter Meerwald <pmeerw@pmeerw.net>
@@ -16,7 +17,7 @@
  *
  * 7-bit I2C slave address 0x1c/0x1d (pin selectable)
  *
- * TODO: orientation events, autosleep
+ * TODO: orientation events
  */
 
 #include <linux/module.h>
@@ -31,6 +32,7 @@
 #include <linux/delay.h>
 #include <linux/of_device.h>
 #include <linux/of_irq.h>
+#include <linux/pm_runtime.h>
 
 #define MMA8452_STATUS				0x00
 #define  MMA8452_STATUS_DRDY			(BIT(2) | BIT(1) | BIT(0))
@@ -91,6 +93,9 @@
 #define MMA8453_DEVICE_ID			0x3a
 #define MMA8652_DEVICE_ID			0x4a
 #define MMA8653_DEVICE_ID			0x5a
+#define FXLS8471_DEVICE_ID			0x6a
+
+#define MMA8452_AUTO_SUSPEND_DELAY_MS		2000
 
 struct mma8452_data {
 	struct i2c_client *client;
@@ -172,6 +177,31 @@ static int mma8452_drdy(struct mma8452_data *data)
 	return -EIO;
 }
 
+static int mma8452_set_runtime_pm_state(struct i2c_client *client, bool on)
+{
+#ifdef CONFIG_PM
+	int ret;
+
+	if (on) {
+		ret = pm_runtime_get_sync(&client->dev);
+	} else {
+		pm_runtime_mark_last_busy(&client->dev);
+		ret = pm_runtime_put_autosuspend(&client->dev);
+	}
+
+	if (ret < 0) {
+		dev_err(&client->dev,
+			"failed to change power state to %d\n", on);
+		if (on)
+			pm_runtime_put_noidle(&client->dev);
+
+		return ret;
+	}
+#endif
+
+	return 0;
+}
+
 static int mma8452_read(struct mma8452_data *data, __be16 buf[3])
 {
 	int ret = mma8452_drdy(data);
@@ -179,8 +209,16 @@ static int mma8452_read(struct mma8452_data *data, __be16 buf[3])
 	if (ret < 0)
 		return ret;
 
-	return i2c_smbus_read_i2c_block_data(data->client, MMA8452_OUT_X,
-					     3 * sizeof(__be16), (u8 *)buf);
+	ret = mma8452_set_runtime_pm_state(data->client, true);
+	if (ret)
+		return ret;
+
+	ret = i2c_smbus_read_i2c_block_data(data->client, MMA8452_OUT_X,
+					    3 * sizeof(__be16), (u8 *)buf);
+
+	ret = mma8452_set_runtime_pm_state(data->client, false);
+
+	return ret;
 }
 
 static ssize_t mma8452_show_int_plus_micros(char *buf, const int (*vals)[2],
@@ -357,7 +395,8 @@ static int mma8452_read_raw(struct iio_dev *indio_dev,
 		return IIO_VAL_INT_PLUS_MICRO;
 	case IIO_CHAN_INFO_CALIBBIAS:
 		ret = i2c_smbus_read_byte_data(data->client,
-					      MMA8452_OFF_X + chan->scan_index);
+					       MMA8452_OFF_X +
+					       chan->scan_index);
 		if (ret < 0)
 			return ret;
 
@@ -392,24 +431,47 @@ static int mma8452_active(struct mma8452_data *data)
 					 data->ctrl_reg1);
 }
 
+/* returns >0 if active, 0 if in standby and <0 on error */
+static int mma8452_is_active(struct mma8452_data *data)
+{
+	int reg;
+
+	reg = i2c_smbus_read_byte_data(data->client, MMA8452_CTRL_REG1);
+	if (reg < 0)
+		return reg;
+
+	return reg & MMA8452_CTRL_ACTIVE;
+}
+
 static int mma8452_change_config(struct mma8452_data *data, u8 reg, u8 val)
 {
 	int ret;
+	int is_active;
 
 	mutex_lock(&data->lock);
 
-	/* config can only be changed when in standby */
-	ret = mma8452_standby(data);
-	if (ret < 0)
+	is_active = mma8452_is_active(data);
+	if (is_active < 0) {
+		ret = is_active;
 		goto fail;
+	}
+
+	/* config can only be changed when in standby */
+	if (is_active > 0) {
+		ret = mma8452_standby(data);
+		if (ret < 0)
+			goto fail;
+	}
 
 	ret = i2c_smbus_write_byte_data(data->client, reg, val);
 	if (ret < 0)
 		goto fail;
 
-	ret = mma8452_active(data);
-	if (ret < 0)
-		goto fail;
+	if (is_active > 0) {
+		ret = mma8452_active(data);
+		if (ret < 0)
+			goto fail;
+	}
 
 	ret = 0;
 fail:
@@ -418,7 +480,7 @@ fail:
 	return ret;
 }
 
-/* returns >0 if in freefall mode, 0 if not or <0 if an error occured */
+/* returns >0 if in freefall mode, 0 if not or <0 if an error occurred */
 static int mma8452_freefall_mode_enabled(struct mma8452_data *data)
 {
 	int val;
@@ -668,7 +730,8 @@ static int mma8452_read_event_config(struct iio_dev *indio_dev,
 		if (ret < 0)
 			return ret;
 
-		return !!(ret & BIT(chan->scan_index + chip->ev_cfg_chan_shift));
+		return !!(ret & BIT(chan->scan_index +
+				    chip->ev_cfg_chan_shift));
 	default:
 		return -EINVAL;
 	}
@@ -682,7 +745,11 @@ static int mma8452_write_event_config(struct iio_dev *indio_dev,
 {
 	struct mma8452_data *data = iio_priv(indio_dev);
 	const struct mma_chip_info *chip = data->chip_info;
-	int val;
+	int val, ret;
+
+	ret = mma8452_set_runtime_pm_state(data->client, state);
+	if (ret)
+		return ret;
 
 	switch (dir) {
 	case IIO_EV_DIR_FALLING:
@@ -990,6 +1057,7 @@ enum {
 	mma8453,
 	mma8652,
 	mma8653,
+	fxls8471,
 };
 
 static const struct mma_chip_info mma_chip_info_table[] = {
@@ -1003,7 +1071,7 @@ static const struct mma_chip_info mma_chip_info_table[] = {
 		 * bit.
 		 * The userspace interface uses m/s^2 and we declare micro units
 		 * So scale factor for 12 bit here is given by:
-		 * 	g * N * 1000000 / 2048 for N = 2, 4, 8 and g=9.80665
+		 *	g * N * 1000000 / 2048 for N = 2, 4, 8 and g=9.80665
 		 */
 		.mma_scales = { {0, 2394}, {0, 4788}, {0, 9577} },
 		.ev_cfg = MMA8452_TRANSIENT_CFG,
@@ -1081,6 +1149,22 @@ static const struct mma_chip_info mma_chip_info_table[] = {
 		.ev_ths_mask = MMA8452_FF_MT_THS_MASK,
 		.ev_count = MMA8452_FF_MT_COUNT,
 	},
+	[fxls8471] = {
+		.chip_id = FXLS8471_DEVICE_ID,
+		.channels = mma8451_channels,
+		.num_channels = ARRAY_SIZE(mma8451_channels),
+		.mma_scales = { {0, 2394}, {0, 4788}, {0, 9577} },
+		.ev_cfg = MMA8452_TRANSIENT_CFG,
+		.ev_cfg_ele = MMA8452_TRANSIENT_CFG_ELE,
+		.ev_cfg_chan_shift = 1,
+		.ev_src = MMA8452_TRANSIENT_SRC,
+		.ev_src_xe = MMA8452_TRANSIENT_SRC_XTRANSE,
+		.ev_src_ye = MMA8452_TRANSIENT_SRC_YTRANSE,
+		.ev_src_ze = MMA8452_TRANSIENT_SRC_ZTRANSE,
+		.ev_ths = MMA8452_TRANSIENT_THS,
+		.ev_ths_mask = MMA8452_TRANSIENT_THS_MASK,
+		.ev_count = MMA8452_TRANSIENT_COUNT,
+	},
 };
 
 static struct attribute *mma8452_attributes[] = {
@@ -1114,7 +1198,11 @@ static int mma8452_data_rdy_trigger_set_state(struct iio_trigger *trig,
 {
 	struct iio_dev *indio_dev = iio_trigger_get_drvdata(trig);
 	struct mma8452_data *data = iio_priv(indio_dev);
-	int reg;
+	int reg, ret;
+
+	ret = mma8452_set_runtime_pm_state(data->client, state);
+	if (ret)
+		return ret;
 
 	reg = i2c_smbus_read_byte_data(data->client, MMA8452_CTRL_REG4);
 	if (reg < 0)
@@ -1206,6 +1294,7 @@ static const struct of_device_id mma8452_dt_ids[] = {
 	{ .compatible = "fsl,mma8453", .data = &mma_chip_info_table[mma8453] },
 	{ .compatible = "fsl,mma8652", .data = &mma_chip_info_table[mma8652] },
 	{ .compatible = "fsl,mma8653", .data = &mma_chip_info_table[mma8653] },
+	{ .compatible = "fsl,fxls8471", .data = &mma_chip_info_table[fxls8471] },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, mma8452_dt_ids);
@@ -1243,6 +1332,7 @@ static int mma8452_probe(struct i2c_client *client,
 	case MMA8453_DEVICE_ID:
 	case MMA8652_DEVICE_ID:
 	case MMA8653_DEVICE_ID:
+	case FXLS8471_DEVICE_ID:
 		if (ret == data->chip_info->chip_id)
 			break;
 	default:
@@ -1340,6 +1430,15 @@ static int mma8452_probe(struct i2c_client *client,
 			goto buffer_cleanup;
 	}
 
+	ret = pm_runtime_set_active(&client->dev);
+	if (ret < 0)
+		goto buffer_cleanup;
+
+	pm_runtime_enable(&client->dev);
+	pm_runtime_set_autosuspend_delay(&client->dev,
+					 MMA8452_AUTO_SUSPEND_DELAY_MS);
+	pm_runtime_use_autosuspend(&client->dev);
+
 	ret = iio_device_register(indio_dev);
 	if (ret < 0)
 		goto buffer_cleanup;
@@ -1364,6 +1463,11 @@ static int mma8452_remove(struct i2c_client *client)
 	struct iio_dev *indio_dev = i2c_get_clientdata(client);
 
 	iio_device_unregister(indio_dev);
+
+	pm_runtime_disable(&client->dev);
+	pm_runtime_set_suspended(&client->dev);
+	pm_runtime_put_noidle(&client->dev);
+
 	iio_triggered_buffer_cleanup(indio_dev);
 	mma8452_trigger_cleanup(indio_dev);
 	mma8452_standby(iio_priv(indio_dev));
@@ -1371,6 +1475,45 @@ static int mma8452_remove(struct i2c_client *client)
 	return 0;
 }
 
+#ifdef CONFIG_PM
+static int mma8452_runtime_suspend(struct device *dev)
+{
+	struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
+	struct mma8452_data *data = iio_priv(indio_dev);
+	int ret;
+
+	mutex_lock(&data->lock);
+	ret = mma8452_standby(data);
+	mutex_unlock(&data->lock);
+	if (ret < 0) {
+		dev_err(&data->client->dev, "powering off device failed\n");
+		return -EAGAIN;
+	}
+
+	return 0;
+}
+
+static int mma8452_runtime_resume(struct device *dev)
+{
+	struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
+	struct mma8452_data *data = iio_priv(indio_dev);
+	int ret, sleep_val;
+
+	ret = mma8452_active(data);
+	if (ret < 0)
+		return ret;
+
+	ret = mma8452_get_odr_index(data);
+	sleep_val = 1000 / mma8452_samp_freq[ret][0];
+	if (sleep_val < 20)
+		usleep_range(sleep_val * 1000, 20000);
+	else
+		msleep_interruptible(sleep_val);
+
+	return 0;
+}
+#endif
+
 #ifdef CONFIG_PM_SLEEP
 static int mma8452_suspend(struct device *dev)
 {
@@ -1383,18 +1526,21 @@ static int mma8452_resume(struct device *dev)
 	return mma8452_active(iio_priv(i2c_get_clientdata(
 		to_i2c_client(dev))));
 }
-
-static SIMPLE_DEV_PM_OPS(mma8452_pm_ops, mma8452_suspend, mma8452_resume);
-#define MMA8452_PM_OPS (&mma8452_pm_ops)
-#else
-#define MMA8452_PM_OPS NULL
 #endif
 
+static const struct dev_pm_ops mma8452_pm_ops = {
+	SET_SYSTEM_SLEEP_PM_OPS(mma8452_suspend, mma8452_resume)
+	SET_RUNTIME_PM_OPS(mma8452_runtime_suspend,
+			   mma8452_runtime_resume, NULL)
+};
+
 static const struct i2c_device_id mma8452_id[] = {
+	{ "mma8451", mma8451 },
 	{ "mma8452", mma8452 },
 	{ "mma8453", mma8453 },
 	{ "mma8652", mma8652 },
 	{ "mma8653", mma8653 },
+	{ "fxls8471", fxls8471 },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, mma8452_id);
@@ -1403,7 +1549,7 @@ static struct i2c_driver mma8452_driver = {
 	.driver = {
 		.name	= "mma8452",
 		.of_match_table = of_match_ptr(mma8452_dt_ids),
-		.pm	= MMA8452_PM_OPS,
+		.pm	= &mma8452_pm_ops,
 	},
 	.probe = mma8452_probe,
 	.remove = mma8452_remove,
diff --git a/drivers/iio/accel/mma9553.c b/drivers/iio/accel/mma9553.c
index fa7d36217..bb05f3efd 100644
--- a/drivers/iio/accel/mma9553.c
+++ b/drivers/iio/accel/mma9553.c
@@ -17,7 +17,6 @@
 #include <linux/interrupt.h>
 #include <linux/slab.h>
 #include <linux/acpi.h>
-#include <linux/gpio/consumer.h>
 #include <linux/iio/iio.h>
 #include <linux/iio/sysfs.h>
 #include <linux/iio/events.h>
diff --git a/drivers/iio/accel/mxc4005.c b/drivers/iio/accel/mxc4005.c
index e72e218c2..c23f47af7 100644
--- a/drivers/iio/accel/mxc4005.c
+++ b/drivers/iio/accel/mxc4005.c
@@ -17,7 +17,6 @@
 #include <linux/i2c.h>
 #include <linux/iio/iio.h>
 #include <linux/acpi.h>
-#include <linux/gpio/consumer.h>
 #include <linux/regmap.h>
 #include <linux/iio/sysfs.h>
 #include <linux/iio/trigger.h>
@@ -380,31 +379,6 @@ static const struct iio_trigger_ops mxc4005_trigger_ops = {
 	.owner = THIS_MODULE,
 };
 
-static int mxc4005_gpio_probe(struct i2c_client *client,
-			      struct mxc4005_data *data)
-{
-	struct device *dev;
-	struct gpio_desc *gpio;
-	int ret;
-
-	if (!client)
-		return -EINVAL;
-
-	dev = &client->dev;
-
-	gpio = devm_gpiod_get_index(dev, "mxc4005_int", 0, GPIOD_IN);
-	if (IS_ERR(gpio)) {
-		dev_err(dev, "failed to get acpi gpio index\n");
-		return PTR_ERR(gpio);
-	}
-
-	ret = gpiod_to_irq(gpio);
-
-	dev_dbg(dev, "GPIO resource, no:%d irq:%d\n", desc_to_gpio(gpio), ret);
-
-	return ret;
-}
-
 static int mxc4005_chip_init(struct mxc4005_data *data)
 {
 	int ret;
@@ -470,9 +444,6 @@ static int mxc4005_probe(struct i2c_client *client,
 		return ret;
 	}
 
-	if (client->irq < 0)
-		client->irq = mxc4005_gpio_probe(client, data);
-
 	if (client->irq > 0) {
 		data->dready_trig = devm_iio_trigger_alloc(&client->dev,
 							   "%s-dev%d",
diff --git a/drivers/iio/accel/st_accel.h b/drivers/iio/accel/st_accel.h
index 5d4a1897b..57f83a679 100644
--- a/drivers/iio/accel/st_accel.h
+++ b/drivers/iio/accel/st_accel.h
@@ -14,6 +14,7 @@
 #include <linux/types.h>
 #include <linux/iio/common/st_sensors.h>
 
+#define H3LIS331DL_DRIVER_NAME		"h3lis331dl_accel"
 #define LIS3LV02DL_ACCEL_DEV_NAME	"lis3lv02dl_accel"
 #define LSM303DLHC_ACCEL_DEV_NAME	"lsm303dlhc_accel"
 #define LIS3DH_ACCEL_DEV_NAME		"lis3dh"
diff --git a/drivers/iio/accel/st_accel_buffer.c b/drivers/iio/accel/st_accel_buffer.c
index a1e642ee1..7fddc137e 100644
--- a/drivers/iio/accel/st_accel_buffer.c
+++ b/drivers/iio/accel/st_accel_buffer.c
@@ -91,7 +91,7 @@ static const struct iio_buffer_setup_ops st_accel_buffer_setup_ops = {
 
 int st_accel_allocate_ring(struct iio_dev *indio_dev)
 {
-	return iio_triggered_buffer_setup(indio_dev, &iio_pollfunc_store_time,
+	return iio_triggered_buffer_setup(indio_dev, NULL,
 		&st_sensors_trigger_handler, &st_accel_buffer_setup_ops);
 }
 
diff --git a/drivers/iio/accel/st_accel_core.c b/drivers/iio/accel/st_accel_core.c
index a03a1417d..4d95bfc47 100644
--- a/drivers/iio/accel/st_accel_core.c
+++ b/drivers/iio/accel/st_accel_core.c
@@ -39,6 +39,9 @@
 #define ST_ACCEL_FS_AVL_6G			6
 #define ST_ACCEL_FS_AVL_8G			8
 #define ST_ACCEL_FS_AVL_16G			16
+#define ST_ACCEL_FS_AVL_100G			100
+#define ST_ACCEL_FS_AVL_200G			200
+#define ST_ACCEL_FS_AVL_400G			400
 
 /* CUSTOM VALUES FOR SENSOR 1 */
 #define ST_ACCEL_1_WAI_EXP			0x33
@@ -96,6 +99,8 @@
 #define ST_ACCEL_2_DRDY_IRQ_INT2_MASK		0x10
 #define ST_ACCEL_2_IHL_IRQ_ADDR			0x22
 #define ST_ACCEL_2_IHL_IRQ_MASK			0x80
+#define ST_ACCEL_2_OD_IRQ_ADDR			0x22
+#define ST_ACCEL_2_OD_IRQ_MASK			0x40
 #define ST_ACCEL_2_MULTIREAD_BIT		true
 
 /* CUSTOM VALUES FOR SENSOR 3 */
@@ -177,10 +182,39 @@
 #define ST_ACCEL_5_DRDY_IRQ_INT2_MASK		0x20
 #define ST_ACCEL_5_IHL_IRQ_ADDR			0x22
 #define ST_ACCEL_5_IHL_IRQ_MASK			0x80
+#define ST_ACCEL_5_OD_IRQ_ADDR			0x22
+#define ST_ACCEL_5_OD_IRQ_MASK			0x40
 #define ST_ACCEL_5_IG1_EN_ADDR			0x21
 #define ST_ACCEL_5_IG1_EN_MASK			0x08
 #define ST_ACCEL_5_MULTIREAD_BIT		false
 
+/* CUSTOM VALUES FOR SENSOR 6 */
+#define ST_ACCEL_6_WAI_EXP			0x32
+#define ST_ACCEL_6_ODR_ADDR			0x20
+#define ST_ACCEL_6_ODR_MASK			0x18
+#define ST_ACCEL_6_ODR_AVL_50HZ_VAL		0x00
+#define ST_ACCEL_6_ODR_AVL_100HZ_VAL		0x01
+#define ST_ACCEL_6_ODR_AVL_400HZ_VAL		0x02
+#define ST_ACCEL_6_ODR_AVL_1000HZ_VAL		0x03
+#define ST_ACCEL_6_PW_ADDR			0x20
+#define ST_ACCEL_6_PW_MASK			0x20
+#define ST_ACCEL_6_FS_ADDR			0x23
+#define ST_ACCEL_6_FS_MASK			0x30
+#define ST_ACCEL_6_FS_AVL_100_VAL		0x00
+#define ST_ACCEL_6_FS_AVL_200_VAL		0x01
+#define ST_ACCEL_6_FS_AVL_400_VAL		0x03
+#define ST_ACCEL_6_FS_AVL_100_GAIN		IIO_G_TO_M_S_2(49000)
+#define ST_ACCEL_6_FS_AVL_200_GAIN		IIO_G_TO_M_S_2(98000)
+#define ST_ACCEL_6_FS_AVL_400_GAIN		IIO_G_TO_M_S_2(195000)
+#define ST_ACCEL_6_BDU_ADDR			0x23
+#define ST_ACCEL_6_BDU_MASK			0x80
+#define ST_ACCEL_6_DRDY_IRQ_ADDR		0x22
+#define ST_ACCEL_6_DRDY_IRQ_INT1_MASK		0x02
+#define ST_ACCEL_6_DRDY_IRQ_INT2_MASK		0x10
+#define ST_ACCEL_6_IHL_IRQ_ADDR			0x22
+#define ST_ACCEL_6_IHL_IRQ_MASK			0x80
+#define ST_ACCEL_6_MULTIREAD_BIT		true
+
 static const struct iio_chan_spec st_accel_8bit_channels[] = {
 	ST_SENSORS_LSM_CHANNELS(IIO_ACCEL,
 			BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE),
@@ -302,6 +336,7 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = {
 			.mask_int2 = ST_ACCEL_1_DRDY_IRQ_INT2_MASK,
 			.addr_ihl = ST_ACCEL_1_IHL_IRQ_ADDR,
 			.mask_ihl = ST_ACCEL_1_IHL_IRQ_MASK,
+			.addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR,
 		},
 		.multi_read_bit = ST_ACCEL_1_MULTIREAD_BIT,
 		.bootime = 2,
@@ -367,6 +402,9 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = {
 			.mask_int2 = ST_ACCEL_2_DRDY_IRQ_INT2_MASK,
 			.addr_ihl = ST_ACCEL_2_IHL_IRQ_ADDR,
 			.mask_ihl = ST_ACCEL_2_IHL_IRQ_MASK,
+			.addr_od = ST_ACCEL_2_OD_IRQ_ADDR,
+			.mask_od = ST_ACCEL_2_OD_IRQ_MASK,
+			.addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR,
 		},
 		.multi_read_bit = ST_ACCEL_2_MULTIREAD_BIT,
 		.bootime = 2,
@@ -444,6 +482,7 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = {
 			.mask_int2 = ST_ACCEL_3_DRDY_IRQ_INT2_MASK,
 			.addr_ihl = ST_ACCEL_3_IHL_IRQ_ADDR,
 			.mask_ihl = ST_ACCEL_3_IHL_IRQ_MASK,
+			.addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR,
 			.ig1 = {
 				.en_addr = ST_ACCEL_3_IG1_EN_ADDR,
 				.en_mask = ST_ACCEL_3_IG1_EN_MASK,
@@ -502,6 +541,7 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = {
 		.drdy_irq = {
 			.addr = ST_ACCEL_4_DRDY_IRQ_ADDR,
 			.mask_int1 = ST_ACCEL_4_DRDY_IRQ_INT1_MASK,
+			.addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR,
 		},
 		.multi_read_bit = ST_ACCEL_4_MULTIREAD_BIT,
 		.bootime = 2, /* guess */
@@ -553,10 +593,75 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = {
 			.mask_int2 = ST_ACCEL_5_DRDY_IRQ_INT2_MASK,
 			.addr_ihl = ST_ACCEL_5_IHL_IRQ_ADDR,
 			.mask_ihl = ST_ACCEL_5_IHL_IRQ_MASK,
+			.addr_od = ST_ACCEL_5_OD_IRQ_ADDR,
+			.mask_od = ST_ACCEL_5_OD_IRQ_MASK,
+			.addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR,
 		},
 		.multi_read_bit = ST_ACCEL_5_MULTIREAD_BIT,
 		.bootime = 2, /* guess */
 	},
+	{
+		.wai = ST_ACCEL_6_WAI_EXP,
+		.wai_addr = ST_SENSORS_DEFAULT_WAI_ADDRESS,
+		.sensors_supported = {
+			[0] = H3LIS331DL_DRIVER_NAME,
+		},
+		.ch = (struct iio_chan_spec *)st_accel_12bit_channels,
+		.odr = {
+			.addr = ST_ACCEL_6_ODR_ADDR,
+			.mask = ST_ACCEL_6_ODR_MASK,
+			.odr_avl = {
+				{ 50, ST_ACCEL_6_ODR_AVL_50HZ_VAL },
+				{ 100, ST_ACCEL_6_ODR_AVL_100HZ_VAL, },
+				{ 400, ST_ACCEL_6_ODR_AVL_400HZ_VAL, },
+				{ 1000, ST_ACCEL_6_ODR_AVL_1000HZ_VAL, },
+			},
+		},
+		.pw = {
+			.addr = ST_ACCEL_6_PW_ADDR,
+			.mask = ST_ACCEL_6_PW_MASK,
+			.value_on = ST_SENSORS_DEFAULT_POWER_ON_VALUE,
+			.value_off = ST_SENSORS_DEFAULT_POWER_OFF_VALUE,
+		},
+		.enable_axis = {
+			.addr = ST_SENSORS_DEFAULT_AXIS_ADDR,
+			.mask = ST_SENSORS_DEFAULT_AXIS_MASK,
+		},
+		.fs = {
+			.addr = ST_ACCEL_6_FS_ADDR,
+			.mask = ST_ACCEL_6_FS_MASK,
+			.fs_avl = {
+				[0] = {
+					.num = ST_ACCEL_FS_AVL_100G,
+					.value = ST_ACCEL_6_FS_AVL_100_VAL,
+					.gain = ST_ACCEL_6_FS_AVL_100_GAIN,
+				},
+				[1] = {
+					.num = ST_ACCEL_FS_AVL_200G,
+					.value = ST_ACCEL_6_FS_AVL_200_VAL,
+					.gain = ST_ACCEL_6_FS_AVL_200_GAIN,
+				},
+				[2] = {
+					.num = ST_ACCEL_FS_AVL_400G,
+					.value = ST_ACCEL_6_FS_AVL_400_VAL,
+					.gain = ST_ACCEL_6_FS_AVL_400_GAIN,
+				},
+			},
+		},
+		.bdu = {
+			.addr = ST_ACCEL_6_BDU_ADDR,
+			.mask = ST_ACCEL_6_BDU_MASK,
+		},
+		.drdy_irq = {
+			.addr = ST_ACCEL_6_DRDY_IRQ_ADDR,
+			.mask_int1 = ST_ACCEL_6_DRDY_IRQ_INT1_MASK,
+			.mask_int2 = ST_ACCEL_6_DRDY_IRQ_INT2_MASK,
+			.addr_ihl = ST_ACCEL_6_IHL_IRQ_ADDR,
+			.mask_ihl = ST_ACCEL_6_IHL_IRQ_MASK,
+		},
+		.multi_read_bit = ST_ACCEL_6_MULTIREAD_BIT,
+		.bootime = 2,
+	},
 };
 
 static int st_accel_read_raw(struct iio_dev *indio_dev,
@@ -636,6 +741,7 @@ static const struct iio_info accel_info = {
 static const struct iio_trigger_ops st_accel_trigger_ops = {
 	.owner = THIS_MODULE,
 	.set_trigger_state = ST_ACCEL_TRIGGER_SET_STATE,
+	.validate_device = st_sensors_validate_device,
 };
 #define ST_ACCEL_TRIGGER_OPS (&st_accel_trigger_ops)
 #else
diff --git a/drivers/iio/accel/st_accel_i2c.c b/drivers/iio/accel/st_accel_i2c.c
index 294a32f89..7333ee9fb 100644
--- a/drivers/iio/accel/st_accel_i2c.c
+++ b/drivers/iio/accel/st_accel_i2c.c
@@ -76,6 +76,10 @@ static const struct of_device_id st_accel_of_match[] = {
 		.compatible = "st,lis2dh12-accel",
 		.data = LIS2DH12_ACCEL_DEV_NAME,
 	},
+	{
+		.compatible = "st,h3lis331dl-accel",
+		.data = H3LIS331DL_DRIVER_NAME,
+	},
 	{},
 };
 MODULE_DEVICE_TABLE(of, st_accel_of_match);
diff --git a/drivers/iio/accel/stk8312.c b/drivers/iio/accel/stk8312.c
index 85fe7f724..e31023dc5 100644
--- a/drivers/iio/accel/stk8312.c
+++ b/drivers/iio/accel/stk8312.c
@@ -11,7 +11,6 @@
  */
 
 #include <linux/acpi.h>
-#include <linux/gpio/consumer.h>
 #include <linux/i2c.h>
 #include <linux/interrupt.h>
 #include <linux/kernel.h>
diff --git a/drivers/iio/accel/stk8ba50.c b/drivers/iio/accel/stk8ba50.c
index 5709d9eb8..300d955ba 100644
--- a/drivers/iio/accel/stk8ba50.c
+++ b/drivers/iio/accel/stk8ba50.c
@@ -11,7 +11,6 @@
  */
 
 #include <linux/acpi.h>
-#include <linux/gpio/consumer.h>
 #include <linux/i2c.h>
 #include <linux/interrupt.h>
 #include <linux/kernel.h>