Linux-libre 4.4-gnupck-4.4-gnu

16 files changed, 105 insertions, 72 deletions

diff --git a/drivers/iio/dac/ad5064.c b/drivers/iio/dac/ad5064.c
index c067e6821..81ca0081a 100644
--- a/drivers/iio/dac/ad5064.c
+++ b/drivers/iio/dac/ad5064.c
@@ -113,12 +113,16 @@ enum ad5064_type {
 	ID_AD5065,
 	ID_AD5628_1,
 	ID_AD5628_2,
+	ID_AD5629_1,
+	ID_AD5629_2,
 	ID_AD5648_1,
 	ID_AD5648_2,
 	ID_AD5666_1,
 	ID_AD5666_2,
 	ID_AD5668_1,
 	ID_AD5668_2,
+	ID_AD5669_1,
+	ID_AD5669_2,
 };
 
 static int ad5064_write(struct ad5064_state *st, unsigned int cmd,
@@ -291,7 +295,7 @@ static const struct iio_chan_spec_ext_info ad5064_ext_info[] = {
 	{ },
 };
 
-#define AD5064_CHANNEL(chan, addr, bits) {			\
+#define AD5064_CHANNEL(chan, addr, bits, _shift) {		\
 	.type = IIO_VOLTAGE,					\
 	.indexed = 1,						\
 	.output = 1,						\
@@ -303,36 +307,39 @@ static const struct iio_chan_spec_ext_info ad5064_ext_info[] = {
 		.sign = 'u',					\
 		.realbits = (bits),				\
 		.storagebits = 16,				\
-		.shift = 20 - bits,				\
+		.shift = (_shift),				\
 	},							\
 	.ext_info = ad5064_ext_info,				\
 }
 
-#define DECLARE_AD5064_CHANNELS(name, bits) \
+#define DECLARE_AD5064_CHANNELS(name, bits, shift) \
 const struct iio_chan_spec name[] = { \
-	AD5064_CHANNEL(0, 0, bits), \
-	AD5064_CHANNEL(1, 1, bits), \
-	AD5064_CHANNEL(2, 2, bits), \
-	AD5064_CHANNEL(3, 3, bits), \
-	AD5064_CHANNEL(4, 4, bits), \
-	AD5064_CHANNEL(5, 5, bits), \
-	AD5064_CHANNEL(6, 6, bits), \
-	AD5064_CHANNEL(7, 7, bits), \
+	AD5064_CHANNEL(0, 0, bits, shift), \
+	AD5064_CHANNEL(1, 1, bits, shift), \
+	AD5064_CHANNEL(2, 2, bits, shift), \
+	AD5064_CHANNEL(3, 3, bits, shift), \
+	AD5064_CHANNEL(4, 4, bits, shift), \
+	AD5064_CHANNEL(5, 5, bits, shift), \
+	AD5064_CHANNEL(6, 6, bits, shift), \
+	AD5064_CHANNEL(7, 7, bits, shift), \
 }
 
-#define DECLARE_AD5065_CHANNELS(name, bits) \
+#define DECLARE_AD5065_CHANNELS(name, bits, shift) \
 const struct iio_chan_spec name[] = { \
-	AD5064_CHANNEL(0, 0, bits), \
-	AD5064_CHANNEL(1, 3, bits), \
+	AD5064_CHANNEL(0, 0, bits, shift), \
+	AD5064_CHANNEL(1, 3, bits, shift), \
 }
 
-static DECLARE_AD5064_CHANNELS(ad5024_channels, 12);
-static DECLARE_AD5064_CHANNELS(ad5044_channels, 14);
-static DECLARE_AD5064_CHANNELS(ad5064_channels, 16);
+static DECLARE_AD5064_CHANNELS(ad5024_channels, 12, 8);
+static DECLARE_AD5064_CHANNELS(ad5044_channels, 14, 6);
+static DECLARE_AD5064_CHANNELS(ad5064_channels, 16, 4);
 
-static DECLARE_AD5065_CHANNELS(ad5025_channels, 12);
-static DECLARE_AD5065_CHANNELS(ad5045_channels, 14);
-static DECLARE_AD5065_CHANNELS(ad5065_channels, 16);
+static DECLARE_AD5065_CHANNELS(ad5025_channels, 12, 8);
+static DECLARE_AD5065_CHANNELS(ad5045_channels, 14, 6);
+static DECLARE_AD5065_CHANNELS(ad5065_channels, 16, 4);
+
+static DECLARE_AD5064_CHANNELS(ad5629_channels, 12, 4);
+static DECLARE_AD5064_CHANNELS(ad5669_channels, 16, 0);
 
 static const struct ad5064_chip_info ad5064_chip_info_tbl[] = {
 	[ID_AD5024] = {
@@ -382,6 +389,18 @@ static const struct ad5064_chip_info ad5064_chip_info_tbl[] = {
 		.channels = ad5024_channels,
 		.num_channels = 8,
 	},
+	[ID_AD5629_1] = {
+		.shared_vref = true,
+		.internal_vref = 2500000,
+		.channels = ad5629_channels,
+		.num_channels = 8,
+	},
+	[ID_AD5629_2] = {
+		.shared_vref = true,
+		.internal_vref = 5000000,
+		.channels = ad5629_channels,
+		.num_channels = 8,
+	},
 	[ID_AD5648_1] = {
 		.shared_vref = true,
 		.internal_vref = 2500000,
@@ -418,6 +437,18 @@ static const struct ad5064_chip_info ad5064_chip_info_tbl[] = {
 		.channels = ad5064_channels,
 		.num_channels = 8,
 	},
+	[ID_AD5669_1] = {
+		.shared_vref = true,
+		.internal_vref = 2500000,
+		.channels = ad5669_channels,
+		.num_channels = 8,
+	},
+	[ID_AD5669_2] = {
+		.shared_vref = true,
+		.internal_vref = 5000000,
+		.channels = ad5669_channels,
+		.num_channels = 8,
+	},
 };
 
 static inline unsigned int ad5064_num_vref(struct ad5064_state *st)
@@ -568,7 +599,6 @@ MODULE_DEVICE_TABLE(spi, ad5064_spi_ids);
 static struct spi_driver ad5064_spi_driver = {
 	.driver = {
 		   .name = "ad5064",
-		   .owner = THIS_MODULE,
 	},
 	.probe = ad5064_spi_probe,
 	.remove = ad5064_spi_remove,
@@ -598,10 +628,16 @@ static int ad5064_i2c_write(struct ad5064_state *st, unsigned int cmd,
 	unsigned int addr, unsigned int val)
 {
 	struct i2c_client *i2c = to_i2c_client(st->dev);
+	int ret;
 
 	st->data.i2c[0] = (cmd << 4) | addr;
 	put_unaligned_be16(val, &st->data.i2c[1]);
-	return i2c_master_send(i2c, st->data.i2c, 3);
+
+	ret = i2c_master_send(i2c, st->data.i2c, 3);
+	if (ret < 0)
+		return ret;
+
+	return 0;
 }
 
 static int ad5064_i2c_probe(struct i2c_client *i2c,
@@ -617,12 +653,12 @@ static int ad5064_i2c_remove(struct i2c_client *i2c)
 }
 
 static const struct i2c_device_id ad5064_i2c_ids[] = {
-	{"ad5629-1", ID_AD5628_1},
-	{"ad5629-2", ID_AD5628_2},
-	{"ad5629-3", ID_AD5628_2}, /* similar enough to ad5629-2 */
-	{"ad5669-1", ID_AD5668_1},
-	{"ad5669-2", ID_AD5668_2},
-	{"ad5669-3", ID_AD5668_2}, /* similar enough to ad5669-2 */
+	{"ad5629-1", ID_AD5629_1},
+	{"ad5629-2", ID_AD5629_2},
+	{"ad5629-3", ID_AD5629_2}, /* similar enough to ad5629-2 */
+	{"ad5669-1", ID_AD5669_1},
+	{"ad5669-2", ID_AD5669_2},
+	{"ad5669-3", ID_AD5669_2}, /* similar enough to ad5669-2 */
 	{}
 };
 MODULE_DEVICE_TABLE(i2c, ad5064_i2c_ids);
diff --git a/drivers/iio/dac/ad5360.c b/drivers/iio/dac/ad5360.c
index 64634d7f5..8ba0e9c50 100644
--- a/drivers/iio/dac/ad5360.c
+++ b/drivers/iio/dac/ad5360.c
@@ -549,7 +549,6 @@ MODULE_DEVICE_TABLE(spi, ad5360_ids);
 static struct spi_driver ad5360_driver = {
 	.driver = {
 		   .name = "ad5360",
-		   .owner = THIS_MODULE,
 	},
 	.probe = ad5360_probe,
 	.remove = ad5360_remove,
diff --git a/drivers/iio/dac/ad5380.c b/drivers/iio/dac/ad5380.c
index 130de9b3e..97d2c5111 100644
--- a/drivers/iio/dac/ad5380.c
+++ b/drivers/iio/dac/ad5380.c
@@ -519,7 +519,6 @@ MODULE_DEVICE_TABLE(spi, ad5380_spi_ids);
 static struct spi_driver ad5380_spi_driver = {
 	.driver = {
 		   .name = "ad5380",
-		   .owner = THIS_MODULE,
 	},
 	.probe = ad5380_spi_probe,
 	.remove = ad5380_spi_remove,
diff --git a/drivers/iio/dac/ad5421.c b/drivers/iio/dac/ad5421.c
index 787ef1d85..968712be9 100644
--- a/drivers/iio/dac/ad5421.c
+++ b/drivers/iio/dac/ad5421.c
@@ -524,7 +524,6 @@ static int ad5421_probe(struct spi_device *spi)
 static struct spi_driver ad5421_driver = {
 	.driver = {
 		   .name = "ad5421",
-		   .owner = THIS_MODULE,
 	},
 	.probe = ad5421_probe,
 };
diff --git a/drivers/iio/dac/ad5446.c b/drivers/iio/dac/ad5446.c
index 07e17d72a..b555552a0 100644
--- a/drivers/iio/dac/ad5446.c
+++ b/drivers/iio/dac/ad5446.c
@@ -481,7 +481,6 @@ static int ad5446_spi_remove(struct spi_device *spi)
 static struct spi_driver ad5446_spi_driver = {
 	.driver = {
 		.name	= "ad5446",
-		.owner	= THIS_MODULE,
 	},
 	.probe		= ad5446_spi_probe,
 	.remove		= ad5446_spi_remove,
diff --git a/drivers/iio/dac/ad5449.c b/drivers/iio/dac/ad5449.c
index 64d7256cb..5f3202339 100644
--- a/drivers/iio/dac/ad5449.c
+++ b/drivers/iio/dac/ad5449.c
@@ -356,7 +356,6 @@ MODULE_DEVICE_TABLE(spi, ad5449_spi_ids);
 static struct spi_driver ad5449_spi_driver = {
 	.driver = {
 		.name = "ad5449",
-		.owner = THIS_MODULE,
 	},
 	.probe = ad5449_spi_probe,
 	.remove = ad5449_spi_remove,
diff --git a/drivers/iio/dac/ad5504.c b/drivers/iio/dac/ad5504.c
index 581ec141d..4e4c20d6d 100644
--- a/drivers/iio/dac/ad5504.c
+++ b/drivers/iio/dac/ad5504.c
@@ -214,7 +214,6 @@ static struct attribute *ad5504_ev_attributes[] = {
 
 static struct attribute_group ad5504_ev_attribute_group = {
 	.attrs = ad5504_ev_attributes,
-	.name = "events",
 };
 
 static irqreturn_t ad5504_event_handler(int irq, void *private)
@@ -364,7 +363,6 @@ MODULE_DEVICE_TABLE(spi, ad5504_id);
 static struct spi_driver ad5504_driver = {
 	.driver = {
 		   .name = "ad5504",
-		   .owner = THIS_MODULE,
 		   },
 	.probe = ad5504_probe,
 	.remove = ad5504_remove,
diff --git a/drivers/iio/dac/ad5624r_spi.c b/drivers/iio/dac/ad5624r_spi.c
index e98428df0..5489ec43b 100644
--- a/drivers/iio/dac/ad5624r_spi.c
+++ b/drivers/iio/dac/ad5624r_spi.c
@@ -306,7 +306,6 @@ MODULE_DEVICE_TABLE(spi, ad5624r_id);
 static struct spi_driver ad5624r_driver = {
 	.driver = {
 		   .name = "ad5624r",
-		   .owner = THIS_MODULE,
 		   },
 	.probe = ad5624r_probe,
 	.remove = ad5624r_remove,
diff --git a/drivers/iio/dac/ad5686.c b/drivers/iio/dac/ad5686.c
index 15c73e202..d1d8450c1 100644
--- a/drivers/iio/dac/ad5686.c
+++ b/drivers/iio/dac/ad5686.c
@@ -395,7 +395,6 @@ MODULE_DEVICE_TABLE(spi, ad5686_id);
 static struct spi_driver ad5686_driver = {
 	.driver = {
 		   .name = "ad5686",
-		   .owner = THIS_MODULE,
 		   },
 	.probe = ad5686_probe,
 	.remove = ad5686_remove,
diff --git a/drivers/iio/dac/ad5755.c b/drivers/iio/dac/ad5755.c
index a7c851f62..bfb350a85 100644
--- a/drivers/iio/dac/ad5755.c
+++ b/drivers/iio/dac/ad5755.c
@@ -610,7 +610,6 @@ MODULE_DEVICE_TABLE(spi, ad5755_id);
 static struct spi_driver ad5755_driver = {
 	.driver = {
 		.name = "ad5755",
-		.owner = THIS_MODULE,
 	},
 	.probe = ad5755_probe,
 	.id_table = ad5755_id,
diff --git a/drivers/iio/dac/ad5764.c b/drivers/iio/dac/ad5764.c
index d0d381653..9a547bbf7 100644
--- a/drivers/iio/dac/ad5764.c
+++ b/drivers/iio/dac/ad5764.c
@@ -357,7 +357,6 @@ MODULE_DEVICE_TABLE(spi, ad5764_ids);
 static struct spi_driver ad5764_driver = {
 	.driver = {
 		.name = "ad5764",
-		.owner = THIS_MODULE,
 	},
 	.probe = ad5764_probe,
 	.remove = ad5764_remove,
diff --git a/drivers/iio/dac/ad5791.c b/drivers/iio/dac/ad5791.c
index 5ba785f18..33e4ae5c4 100644
--- a/drivers/iio/dac/ad5791.c
+++ b/drivers/iio/dac/ad5791.c
@@ -461,7 +461,6 @@ MODULE_DEVICE_TABLE(spi, ad5791_id);
 static struct spi_driver ad5791_driver = {
 	.driver = {
 		   .name = "ad5791",
-		   .owner = THIS_MODULE,
 		   },
 	.probe = ad5791_probe,
 	.remove = ad5791_remove,
diff --git a/drivers/iio/dac/ad7303.c b/drivers/iio/dac/ad7303.c
index fa2810032..e690dd11e 100644
--- a/drivers/iio/dac/ad7303.c
+++ b/drivers/iio/dac/ad7303.c
@@ -281,6 +281,12 @@ static int ad7303_remove(struct spi_device *spi)
 	return 0;
 }
 
+static const struct of_device_id ad7303_spi_of_match[] = {
+	{ .compatible = "adi,ad7303", },
+	{ /* sentinel */ },
+};
+MODULE_DEVICE_TABLE(of, ad7303_spi_of_match);
+
 static const struct spi_device_id ad7303_spi_ids[] = {
 	{ "ad7303", 0 },
 	{}
@@ -290,7 +296,7 @@ MODULE_DEVICE_TABLE(spi, ad7303_spi_ids);
 static struct spi_driver ad7303_driver = {
 	.driver = {
 		.name = "ad7303",
-		.owner = THIS_MODULE,
+		.of_match_table = of_match_ptr(ad7303_spi_of_match),
 	},
 	.probe = ad7303_probe,
 	.remove = ad7303_remove,
diff --git a/drivers/iio/dac/m62332.c b/drivers/iio/dac/m62332.c
index c23d7fa88..76e8b044b 100644
--- a/drivers/iio/dac/m62332.c
+++ b/drivers/iio/dac/m62332.c
@@ -31,7 +31,6 @@
 
 struct m62332_data {
 	struct i2c_client	*client;
-	u16			vref_mv;
 	struct regulator	*vcc;
 	struct mutex		mutex;
 	u8			raw[M62332_CHANNELS];
@@ -40,8 +39,7 @@ struct m62332_data {
 #endif
 };
 
-static int m62332_set_value(struct iio_dev *indio_dev,
-	u8 val, int channel)
+static int m62332_set_value(struct iio_dev *indio_dev, u8 val, int channel)
 {
 	struct m62332_data *data = iio_priv(indio_dev);
 	struct i2c_client *client = data->client;
@@ -62,8 +60,8 @@ static int m62332_set_value(struct iio_dev *indio_dev,
 			goto out;
 	}
 
-	res = i2c_master_send(client, outbuf, 2);
-	if (res >= 0 && res != 2)
+	res = i2c_master_send(client, outbuf, ARRAY_SIZE(outbuf));
+	if (res >= 0 && res != ARRAY_SIZE(outbuf))
 		res = -EIO;
 	if (res < 0)
 		goto out;
@@ -87,46 +85,52 @@ static int m62332_read_raw(struct iio_dev *indio_dev,
 			   struct iio_chan_spec const *chan,
 			   int *val,
 			   int *val2,
-			   long m)
+			   long mask)
 {
 	struct m62332_data *data = iio_priv(indio_dev);
+	int ret;
 
-	switch (m) {
+	switch (mask) {
 	case IIO_CHAN_INFO_SCALE:
 		/* Corresponds to Vref / 2^(bits) */
-		*val = data->vref_mv;
+		ret = regulator_get_voltage(data->vcc);
+		if (ret < 0)
+			return ret;
+
+		*val = ret / 1000; /* mV */
 		*val2 = 8;
+
 		return IIO_VAL_FRACTIONAL_LOG2;
 	case IIO_CHAN_INFO_RAW:
 		*val = data->raw[chan->channel];
+
 		return IIO_VAL_INT;
 	case IIO_CHAN_INFO_OFFSET:
 		*val = 1;
+
 		return IIO_VAL_INT;
 	default:
 		break;
 	}
+
 	return -EINVAL;
 }
 
 static int m62332_write_raw(struct iio_dev *indio_dev,
-	struct iio_chan_spec const *chan, int val, int val2, long mask)
+			    struct iio_chan_spec const *chan, int val, int val2,
+			    long mask)
 {
-	int ret;
-
 	switch (mask) {
 	case IIO_CHAN_INFO_RAW:
 		if (val < 0 || val > 255)
 			return -EINVAL;
 
-		ret = m62332_set_value(indio_dev, val, chan->channel);
-		break;
+		return m62332_set_value(indio_dev, val, chan->channel);
 	default:
-		ret = -EINVAL;
 		break;
 	}
 
-	return ret;
+	return -EINVAL;
 }
 
 #ifdef CONFIG_PM_SLEEP
@@ -173,15 +177,15 @@ static const struct iio_info m62332_info = {
 	.driver_module = THIS_MODULE,
 };
 
-#define M62332_CHANNEL(chan) {				\
-	.type = IIO_VOLTAGE,				\
-	.indexed = 1,					\
-	.output = 1,					\
-	.channel = (chan),				\
-	.datasheet_name = "CH" #chan,			\
-	.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |	\
-		BIT(IIO_CHAN_INFO_SCALE) |		\
-		BIT(IIO_CHAN_INFO_OFFSET),		\
+#define M62332_CHANNEL(chan) {					\
+	.type = IIO_VOLTAGE,					\
+	.indexed = 1,						\
+	.output = 1,						\
+	.channel = (chan),					\
+	.datasheet_name = "CH" #chan,				\
+	.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),		\
+	.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE) |	\
+				    BIT(IIO_CHAN_INFO_OFFSET),	\
 }
 
 static const struct iio_chan_spec m62332_channels[M62332_CHANNELS] = {
@@ -199,6 +203,7 @@ static int m62332_probe(struct i2c_client *client,
 	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
 	if (!indio_dev)
 		return -ENOMEM;
+
 	data = iio_priv(indio_dev);
 	i2c_set_clientdata(client, indio_dev);
 	data->client = client;
@@ -212,16 +217,11 @@ static int m62332_probe(struct i2c_client *client,
 	/* establish that the iio_dev is a child of the i2c device */
 	indio_dev->dev.parent = &client->dev;
 
-	indio_dev->num_channels = M62332_CHANNELS;
+	indio_dev->num_channels = ARRAY_SIZE(m62332_channels);
 	indio_dev->channels = m62332_channels;
 	indio_dev->modes = INDIO_DIRECT_MODE;
 	indio_dev->info = &m62332_info;
 
-	ret = regulator_get_voltage(data->vcc);
-	if (ret < 0)
-		return ret;
-	data->vref_mv = ret / 1000; /* mV */
-
 	ret = iio_map_array_register(indio_dev, client->dev.platform_data);
 	if (ret < 0)
 		return ret;
@@ -234,6 +234,7 @@ static int m62332_probe(struct i2c_client *client,
 
 err:
 	iio_map_array_unregister(indio_dev);
+
 	return ret;
 }
 
@@ -243,6 +244,8 @@ static int m62332_remove(struct i2c_client *client)
 
 	iio_device_unregister(indio_dev);
 	iio_map_array_unregister(indio_dev);
+	m62332_set_value(indio_dev, 0, 0);
+	m62332_set_value(indio_dev, 0, 1);
 
 	return 0;
 }
diff --git a/drivers/iio/dac/max5821.c b/drivers/iio/dac/max5821.c
index 28b8748ea..86e9e112f 100644
--- a/drivers/iio/dac/max5821.c
+++ b/drivers/iio/dac/max5821.c
@@ -387,6 +387,7 @@ static const struct of_device_id max5821_of_match[] = {
 	{ .compatible = "maxim,max5821" },
 	{ }
 };
+MODULE_DEVICE_TABLE(of, max5821_of_match);
 
 static struct i2c_driver max5821_driver = {
 	.driver = {
diff --git a/drivers/iio/dac/mcp4922.c b/drivers/iio/dac/mcp4922.c
index 92cf4ca69..3854d201a 100644
--- a/drivers/iio/dac/mcp4922.c
+++ b/drivers/iio/dac/mcp4922.c
@@ -203,7 +203,6 @@ MODULE_DEVICE_TABLE(spi, mcp4922_id);
 static struct spi_driver mcp4922_driver = {
 	.driver = {
 		   .name = "mcp4922",
-		   .owner = THIS_MODULE,
 		   },
 	.probe = mcp4922_probe,
 	.remove = mcp4922_remove,