From 6c3d8d4f05ec477f68615dc6120c46fec64a2268 Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Fri, 7 Mar 2014 07:44:00 +0000 Subject: iio: hid-sensor-press: Fix return values IIO_CHAN_INFO_SAMP_FREQ and IIO_CHAN_INFO_HYSTERESIS cases ignored the actual return values (which could be -EINVAL) and instead returned IIO_VAL_INT_PLUS_MICRO always. Return the actual value obtained from the functions. Both functions return IIO_VAL_INT_PLUS_MICRO upon success. Agreed with by Srinivas. Signed-off-by: Sachin Kamat Cc: Srinivas Pandruvada Signed-off-by: Jonathan Cameron --- drivers/iio/pressure/hid-sensor-press.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) (limited to 'drivers/iio') diff --git a/drivers/iio/pressure/hid-sensor-press.c b/drivers/iio/pressure/hid-sensor-press.c index 1cd190c73788..2c0d2a4fed8c 100644 --- a/drivers/iio/pressure/hid-sensor-press.c +++ b/drivers/iio/pressure/hid-sensor-press.c @@ -78,7 +78,6 @@ static int press_read_raw(struct iio_dev *indio_dev, struct press_state *press_state = iio_priv(indio_dev); int report_id = -1; u32 address; - int ret; int ret_type; s32 poll_value; @@ -128,14 +127,12 @@ static int press_read_raw(struct iio_dev *indio_dev, ret_type = IIO_VAL_INT; break; case IIO_CHAN_INFO_SAMP_FREQ: - ret = hid_sensor_read_samp_freq_value( + ret_type = hid_sensor_read_samp_freq_value( &press_state->common_attributes, val, val2); - ret_type = IIO_VAL_INT_PLUS_MICRO; break; case IIO_CHAN_INFO_HYSTERESIS: - ret = hid_sensor_read_raw_hyst_value( + ret_type = hid_sensor_read_raw_hyst_value( &press_state->common_attributes, val, val2); - ret_type = IIO_VAL_INT_PLUS_MICRO; break; default: ret_type = -EINVAL; -- cgit v1.2.3 From 2f084c17562a3a20ee0cc11d3863ca5e8fd4e10b Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Fri, 7 Mar 2014 07:44:00 +0000 Subject: iio: hid-sensor-accel-3d: Fix return values IIO_CHAN_INFO_SAMP_FREQ and IIO_CHAN_INFO_HYSTERESIS cases ignored the actual return values (which could be -EINVAL) and instead returned IIO_VAL_INT_PLUS_MICRO always. Return the actual value obtained from the functions. Both functions return IIO_VAL_INT_PLUS_MICRO upon success. Signed-off-by: Sachin Kamat Cc: Srinivas Pandruvada Signed-off-by: Jonathan Cameron --- drivers/iio/accel/hid-sensor-accel-3d.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) (limited to 'drivers/iio') diff --git a/drivers/iio/accel/hid-sensor-accel-3d.c b/drivers/iio/accel/hid-sensor-accel-3d.c index 69abf9163df7..54e464e4bb72 100644 --- a/drivers/iio/accel/hid-sensor-accel-3d.c +++ b/drivers/iio/accel/hid-sensor-accel-3d.c @@ -110,7 +110,6 @@ static int accel_3d_read_raw(struct iio_dev *indio_dev, struct accel_3d_state *accel_state = iio_priv(indio_dev); int report_id = -1; u32 address; - int ret; int ret_type; s32 poll_value; @@ -151,14 +150,12 @@ static int accel_3d_read_raw(struct iio_dev *indio_dev, ret_type = IIO_VAL_INT; break; case IIO_CHAN_INFO_SAMP_FREQ: - ret = hid_sensor_read_samp_freq_value( + ret_type = hid_sensor_read_samp_freq_value( &accel_state->common_attributes, val, val2); - ret_type = IIO_VAL_INT_PLUS_MICRO; break; case IIO_CHAN_INFO_HYSTERESIS: - ret = hid_sensor_read_raw_hyst_value( + ret_type = hid_sensor_read_raw_hyst_value( &accel_state->common_attributes, val, val2); - ret_type = IIO_VAL_INT_PLUS_MICRO; break; default: ret_type = -EINVAL; -- cgit v1.2.3 From 5f25b41f7ec242fce43d0f745369c0ba9d25cb72 Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Fri, 7 Mar 2014 07:44:00 +0000 Subject: iio: hid-sensor-magn-3d: Fix return values IIO_CHAN_INFO_SAMP_FREQ and IIO_CHAN_INFO_HYSTERESIS cases ignored the actual return values (which could be -EINVAL) and instead returned IIO_VAL_INT_PLUS_MICRO always. Return the actual value obtained from the functions. Both functions return IIO_VAL_INT_PLUS_MICRO upon success. Signed-off-by: Sachin Kamat Cc: Srinivas Pandruvada Signed-off-by: Jonathan Cameron --- drivers/iio/magnetometer/hid-sensor-magn-3d.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) (limited to 'drivers/iio') diff --git a/drivers/iio/magnetometer/hid-sensor-magn-3d.c b/drivers/iio/magnetometer/hid-sensor-magn-3d.c index 41cf29e2a371..b2b0937d5133 100644 --- a/drivers/iio/magnetometer/hid-sensor-magn-3d.c +++ b/drivers/iio/magnetometer/hid-sensor-magn-3d.c @@ -110,7 +110,6 @@ static int magn_3d_read_raw(struct iio_dev *indio_dev, struct magn_3d_state *magn_state = iio_priv(indio_dev); int report_id = -1; u32 address; - int ret; int ret_type; s32 poll_value; @@ -153,14 +152,12 @@ static int magn_3d_read_raw(struct iio_dev *indio_dev, ret_type = IIO_VAL_INT; break; case IIO_CHAN_INFO_SAMP_FREQ: - ret = hid_sensor_read_samp_freq_value( + ret_type = hid_sensor_read_samp_freq_value( &magn_state->common_attributes, val, val2); - ret_type = IIO_VAL_INT_PLUS_MICRO; break; case IIO_CHAN_INFO_HYSTERESIS: - ret = hid_sensor_read_raw_hyst_value( + ret_type = hid_sensor_read_raw_hyst_value( &magn_state->common_attributes, val, val2); - ret_type = IIO_VAL_INT_PLUS_MICRO; break; default: ret_type = -EINVAL; -- cgit v1.2.3 From 5d24b0b37bd5229227d0271c58b15aeb52e9c966 Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Fri, 7 Mar 2014 07:44:00 +0000 Subject: iio: hid-sensor-als: Fix return values IIO_CHAN_INFO_SAMP_FREQ and IIO_CHAN_INFO_HYSTERESIS cases ignored the actual return values (which could be -EINVAL) and instead returned IIO_VAL_INT_PLUS_MICRO always. Return the actual value obtained from the functions. Both functions return IIO_VAL_INT_PLUS_MICRO upon success. Signed-off-by: Sachin Kamat Cc: Srinivas Pandruvada Signed-off-by: Jonathan Cameron --- drivers/iio/light/hid-sensor-als.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) (limited to 'drivers/iio') diff --git a/drivers/iio/light/hid-sensor-als.c b/drivers/iio/light/hid-sensor-als.c index f34c94380b41..96e71e103ea7 100644 --- a/drivers/iio/light/hid-sensor-als.c +++ b/drivers/iio/light/hid-sensor-als.c @@ -79,7 +79,6 @@ static int als_read_raw(struct iio_dev *indio_dev, struct als_state *als_state = iio_priv(indio_dev); int report_id = -1; u32 address; - int ret; int ret_type; s32 poll_value; @@ -129,14 +128,12 @@ static int als_read_raw(struct iio_dev *indio_dev, ret_type = IIO_VAL_INT; break; case IIO_CHAN_INFO_SAMP_FREQ: - ret = hid_sensor_read_samp_freq_value( + ret_type = hid_sensor_read_samp_freq_value( &als_state->common_attributes, val, val2); - ret_type = IIO_VAL_INT_PLUS_MICRO; break; case IIO_CHAN_INFO_HYSTERESIS: - ret = hid_sensor_read_raw_hyst_value( + ret_type = hid_sensor_read_raw_hyst_value( &als_state->common_attributes, val, val2); - ret_type = IIO_VAL_INT_PLUS_MICRO; break; default: ret_type = -EINVAL; -- cgit v1.2.3 From 27793803f2ea876799cc44e05bb28d34b34a3869 Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Fri, 7 Mar 2014 07:44:00 +0000 Subject: iio: hid-sensor-gyro-3d: Fix return values IIO_CHAN_INFO_SAMP_FREQ and IIO_CHAN_INFO_HYSTERESIS cases ignored the actual return values (which could be -EINVAL) and instead returned IIO_VAL_INT_PLUS_MICRO always. Return the actual value obtained from the functions. Both functions return IIO_VAL_INT_PLUS_MICRO upon success. Signed-off-by: Sachin Kamat Cc: Srinivas Pandruvada Signed-off-by: Jonathan Cameron --- drivers/iio/gyro/hid-sensor-gyro-3d.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) (limited to 'drivers/iio') diff --git a/drivers/iio/gyro/hid-sensor-gyro-3d.c b/drivers/iio/gyro/hid-sensor-gyro-3d.c index 40f4e4935d0d..fa034a3dad78 100644 --- a/drivers/iio/gyro/hid-sensor-gyro-3d.c +++ b/drivers/iio/gyro/hid-sensor-gyro-3d.c @@ -110,7 +110,6 @@ static int gyro_3d_read_raw(struct iio_dev *indio_dev, struct gyro_3d_state *gyro_state = iio_priv(indio_dev); int report_id = -1; u32 address; - int ret; int ret_type; s32 poll_value; @@ -151,14 +150,12 @@ static int gyro_3d_read_raw(struct iio_dev *indio_dev, ret_type = IIO_VAL_INT; break; case IIO_CHAN_INFO_SAMP_FREQ: - ret = hid_sensor_read_samp_freq_value( + ret_type = hid_sensor_read_samp_freq_value( &gyro_state->common_attributes, val, val2); - ret_type = IIO_VAL_INT_PLUS_MICRO; break; case IIO_CHAN_INFO_HYSTERESIS: - ret = hid_sensor_read_raw_hyst_value( + ret_type = hid_sensor_read_raw_hyst_value( &gyro_state->common_attributes, val, val2); - ret_type = IIO_VAL_INT_PLUS_MICRO; break; default: ret_type = -EINVAL; -- cgit v1.2.3 From 4ff9f633c35e2d94eb92f92c48ae0d9172242889 Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Fri, 7 Mar 2014 07:44:00 +0000 Subject: iio: hid-sensor-prox: Fix return values IIO_CHAN_INFO_SAMP_FREQ and IIO_CHAN_INFO_HYSTERESIS cases ignored the actual return values (which could be -EINVAL) and instead returned IIO_VAL_INT_PLUS_MICRO always. Return the actual value obtained from the functions. Both functions return IIO_VAL_INT_PLUS_MICRO upon success. Signed-off-by: Sachin Kamat Cc: Srinivas Pandruvada Signed-off-by: Jonathan Cameron --- drivers/iio/light/hid-sensor-prox.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) (limited to 'drivers/iio') diff --git a/drivers/iio/light/hid-sensor-prox.c b/drivers/iio/light/hid-sensor-prox.c index d203ef4d892f..412bae86d6ae 100644 --- a/drivers/iio/light/hid-sensor-prox.c +++ b/drivers/iio/light/hid-sensor-prox.c @@ -74,7 +74,6 @@ static int prox_read_raw(struct iio_dev *indio_dev, struct prox_state *prox_state = iio_priv(indio_dev); int report_id = -1; u32 address; - int ret; int ret_type; s32 poll_value; @@ -125,14 +124,12 @@ static int prox_read_raw(struct iio_dev *indio_dev, ret_type = IIO_VAL_INT; break; case IIO_CHAN_INFO_SAMP_FREQ: - ret = hid_sensor_read_samp_freq_value( + ret_type = hid_sensor_read_samp_freq_value( &prox_state->common_attributes, val, val2); - ret_type = IIO_VAL_INT_PLUS_MICRO; break; case IIO_CHAN_INFO_HYSTERESIS: - ret = hid_sensor_read_raw_hyst_value( + ret_type = hid_sensor_read_raw_hyst_value( &prox_state->common_attributes, val, val2); - ret_type = IIO_VAL_INT_PLUS_MICRO; break; default: ret_type = -EINVAL; -- cgit v1.2.3 From 2a58b4f88e3e51619916e9d090cbd1bb8d12b632 Mon Sep 17 00:00:00 2001 From: Peter Meerwald Date: Wed, 7 May 2014 13:38:00 +0100 Subject: iio:tcs3472: Check for buffer enabled and locking Signed-off-by: Peter Meerwald Signed-off-by: Jonathan Cameron --- drivers/iio/light/tcs3472.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) (limited to 'drivers/iio') diff --git a/drivers/iio/light/tcs3472.c b/drivers/iio/light/tcs3472.c index fe063a0a21cd..752569985d1d 100644 --- a/drivers/iio/light/tcs3472.c +++ b/drivers/iio/light/tcs3472.c @@ -52,6 +52,7 @@ struct tcs3472_data { struct i2c_client *client; + struct mutex lock; u8 enable; u8 control; u8 atime; @@ -116,10 +117,17 @@ static int tcs3472_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 = tcs3472_req_data(data); - if (ret < 0) + if (ret < 0) { + mutex_unlock(&data->lock); return ret; + } ret = i2c_smbus_read_word_data(data->client, chan->address); + mutex_unlock(&data->lock); if (ret < 0) return ret; *val = ret; @@ -255,6 +263,7 @@ static int tcs3472_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 = &tcs3472_info; -- cgit v1.2.3 From baa3c65298c089a9014b4e523a14ec2885cca1bc Mon Sep 17 00:00:00 2001 From: Jan Kardell Date: Thu, 6 Nov 2014 22:18:00 +0000 Subject: iio: ti_am335x_adc: Fix: Use same step id at FIFOs both ends Since AI lines could be selected at will (linux-3.11) the sending and receiving ends of the FIFO does not agree about what step is used for a line. It only works if the last lines are used, like 5,6,7, and fails if ie 2,4,6 is selected in DT. Signed-off-by: Jan Kardell Tested-by: Zubair Lutfullah Signed-off-by: Jonathan Cameron Cc: stable@vger.kernel.org --- drivers/iio/adc/ti_am335x_adc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/iio') diff --git a/drivers/iio/adc/ti_am335x_adc.c b/drivers/iio/adc/ti_am335x_adc.c index a4db3026bec6..d5dc4c6ce86c 100644 --- a/drivers/iio/adc/ti_am335x_adc.c +++ b/drivers/iio/adc/ti_am335x_adc.c @@ -374,7 +374,7 @@ static int tiadc_read_raw(struct iio_dev *indio_dev, return -EAGAIN; } } - map_val = chan->channel + TOTAL_CHANNELS; + map_val = adc_dev->channel_step[chan->scan_index]; /* * We check the complete FIFO. We programmed just one entry but in case -- cgit v1.2.3