From d0b2f91bede3bd5e3d24dd6803e56eee959c1797 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Thu, 20 Oct 2016 00:10:27 -0300 Subject: Linux-libre 4.8.2-gnu --- drivers/iio/light/isl29125.c | 23 ++++++++++++----------- 1 file changed, 12 insertions(+), 11 deletions(-) (limited to 'drivers/iio/light/isl29125.c') diff --git a/drivers/iio/light/isl29125.c b/drivers/iio/light/isl29125.c index e2945a20e..1d2c0c8a1 100644 --- a/drivers/iio/light/isl29125.c +++ b/drivers/iio/light/isl29125.c @@ -44,13 +44,15 @@ #define ISL29125_MODE_B 0x3 #define ISL29125_MODE_RGB 0x5 +#define ISL29125_SENSING_RANGE_0 5722 /* 375 lux full range */ +#define ISL29125_SENSING_RANGE_1 152590 /* 10k lux full range */ + #define ISL29125_MODE_RANGE BIT(3) #define ISL29125_STATUS_CONV BIT(1) struct isl29125_data { struct i2c_client *client; - struct mutex lock; u8 conf1; u16 buffer[8]; /* 3x 16-bit, padding, 8 bytes timestamp */ }; @@ -128,11 +130,11 @@ static int isl29125_read_raw(struct iio_dev *indio_dev, switch (mask) { case IIO_CHAN_INFO_RAW: - if (iio_buffer_enabled(indio_dev)) - return -EBUSY; - mutex_lock(&data->lock); + ret = iio_device_claim_direct_mode(indio_dev); + if (ret) + return ret; ret = isl29125_read_data(data, chan->scan_index); - mutex_unlock(&data->lock); + iio_device_release_direct_mode(indio_dev); if (ret < 0) return ret; *val = ret; @@ -140,9 +142,9 @@ static int isl29125_read_raw(struct iio_dev *indio_dev, case IIO_CHAN_INFO_SCALE: *val = 0; if (data->conf1 & ISL29125_MODE_RANGE) - *val2 = 152590; /* 10k lux full range */ + *val2 = ISL29125_SENSING_RANGE_1; /*10k lux full range*/ else - *val2 = 5722; /* 375 lux full range */ + *val2 = ISL29125_SENSING_RANGE_0; /*375 lux full range*/ return IIO_VAL_INT_PLUS_MICRO; } return -EINVAL; @@ -158,9 +160,9 @@ static int isl29125_write_raw(struct iio_dev *indio_dev, case IIO_CHAN_INFO_SCALE: if (val != 0) return -EINVAL; - if (val2 == 152590) + if (val2 == ISL29125_SENSING_RANGE_1) data->conf1 |= ISL29125_MODE_RANGE; - else if (val2 == 5722) + else if (val2 == ISL29125_SENSING_RANGE_0) data->conf1 &= ~ISL29125_MODE_RANGE; else return -EINVAL; @@ -189,7 +191,7 @@ static irqreturn_t isl29125_trigger_handler(int irq, void *p) } iio_push_to_buffers_with_timestamp(indio_dev, data->buffer, - iio_get_time_ns()); + iio_get_time_ns(indio_dev)); done: iio_trigger_notify_done(indio_dev->trig); @@ -259,7 +261,6 @@ static int isl29125_probe(struct i2c_client *client, data = iio_priv(indio_dev); i2c_set_clientdata(client, indio_dev); data->client = client; - mutex_init(&data->lock); indio_dev->dev.parent = &client->dev; indio_dev->info = &isl29125_info; -- cgit v1.2.3-54-g00ecf