kernel.git/drivers/iio/inkern.c, branch linux-3.17.y

iio:inkern: fix overwritten -EPROBE_DEFER in of_iio_channel_get_by_name

2014-08-25T15:55:28Z

Fixes: a2c12493ed7e ('iio: of_iio_channel_get_by_name() returns non-null pointers for error legs') which improperly assumes that of_iio_channel_get_by_name must always return NULL and thus now hides -EPROBE_DEFER. Signed-off-by: Johannes Pointner Reviewed-by: Guenter Roeck Signed-off-by: Jonathan Cameron Cc: Stable@vger.kernel.org

iio: of_iio_channel_get_by_name() returns non-null pointers for error legs

2014-06-21T11:31:38Z

Currently in the inkern.c code for IIO framework, the function of_iio_channel_get_by_name() will return a non-NULL pointer when it cannot find a channel using of_iio_channel_get() and when it tries to search for 'io-channel-ranges' property and fails. This is incorrect behaviour as the function which calls this expects a NULL pointer for failure. This patch rectifies the issue. Signed-off-by: Adam Thomson Signed-off-by: Jonathan Cameron Cc: Stable@vger.kernel.org

IIO: core: Introduce read_raw_multi

2014-04-29T21:05:32Z

This callback is introduced to overcome some limitations of existing read_raw callback. The functionality of both existing read_raw and read_raw_multi is similar, both are used to request values from the device. The current read_raw callback allows only two return values. The new read_raw_multi allows returning multiple values. Instead of passing just address of val and val2, it passes length and pointer to values. Depending on the type and length of passed buffer, iio client drivers can return multiple values. Signed-off-by: Srinivas Pandruvada Signed-off-by: Jonathan Cameron

iio: inkern: add iio_read_channel_average_raw

2014-03-16T18:00:33Z

Add iio_read_channel_average_raw to support reading averaged raw values in consumer drivers. Signed-off-by: Sebastian Reichel Signed-off-by: Jonathan Cameron

iio: inkern: fix iio_convert_raw_to_processed_unlocked

2013-07-03T19:30:52Z

When reading IIO_CHAN_INFO_OFFSET, the return value of iio_channel_read() for success will be IIO_VAL*, checking for 0 is not correct. Without this fix the offset applied by iio drivers will be ignored when converting a raw value to one in appropriate base units (e.g mV) in a IIO client drivers that use iio_convert_raw_to_processed including iio-hwmon. Cc: # 3.10.x Signed-off-by: Alexandre Belloni Signed-off-by: Jonathan Cameron

iio:inkern: Fix typo/bug in convert raw to processed.

2013-06-04T17:46:45Z

Signed-off-by: Michael Hennerich Signed-off-by: Jonathan Cameron

inkern: iio_device_put after incorrect return/goto

2013-06-04T17:28:21Z

The code uses return foo; goto err_type; when instead the form should have been ret = foo; goto err_type; Here this causes a useful iio_device_put to be skipped. Signed-off-by: Joe Perches Signed-off-by: Jonathan Cameron

iio: Add OF support

2013-03-16T10:17:59Z

Provide bindings and parse OF data during initialization. Signed-off-by: Guenter Roeck Reviewed-by: Lars-Peter Clausen Signed-off-by: Jonathan Cameron

iio: Update iio_channel_get API to use consumer device pointer as argument

2013-02-06T19:23:52Z

For iio_channel_get to work with OF based configurations, it needs the consumer device pointer instead of the consumer device name as argument. Signed-off-by: Guenter Roeck Acked-by: Anton Vorontsov Acked-by: Chanwoo Choi Signed-off-by: Jonathan Cameron

iio: Simplify iio_map_array_unregister API

2013-02-02T12:02:20Z

Instead of requiring the map to unregister, simply unregister all map entries associated with the given iio device. This simplifies map removal and also works for maps generated through devicetree. Signed-off-by: Guenter Roeck Signed-off-by: Jonathan Cameron