From 9e18265443d3a76462eafc3a0863c217aeaf62ac Mon Sep 17 00:00:00 2001 From: Matt Ranostay Date: Tue, 7 Jun 2016 21:18:04 -0700 Subject: [PATCH] iio: proximity: lidar: switch to iio_device_claim_*_mode helpers Switch from using indio_dev->mlock to the iio_device_claim_*_mode helper functions. Signed-off-by: Matt Ranostay Signed-off-by: Jonathan Cameron --- drivers/iio/proximity/pulsedlight-lidar-lite-v2.c | 14 ++++---------- 1 file changed, 4 insertions(+), 10 deletions(-) diff --git a/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c b/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c index 4f502386aa86..c0b0e82abf94 100644 --- a/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c +++ b/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c @@ -203,22 +203,19 @@ static int lidar_read_raw(struct iio_dev *indio_dev, struct lidar_data *data = iio_priv(indio_dev); int ret = -EINVAL; - mutex_lock(&indio_dev->mlock); - - if (iio_buffer_enabled(indio_dev) && mask == IIO_CHAN_INFO_RAW) { - ret = -EBUSY; - goto error_busy; - } - switch (mask) { case IIO_CHAN_INFO_RAW: { u16 reg; + if (iio_device_claim_direct_mode(indio_dev)) + return -EBUSY; + ret = lidar_get_measurement(data, ®); if (!ret) { *val = reg; ret = IIO_VAL_INT; } + iio_device_release_direct_mode(indio_dev); break; } case IIO_CHAN_INFO_SCALE: @@ -228,9 +225,6 @@ static int lidar_read_raw(struct iio_dev *indio_dev, break; } -error_busy: - mutex_unlock(&indio_dev->mlock); - return ret; } -- 2.20.1