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iio: counter: Add deprecation markings for IIO Counter attributes

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The IIO counter subdirectory is now superceded by the Counter subsystem.
This patch adds deprecation warnings to the documentation of the
relevant IIO Counter sysfs attributes.

Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
William Breathitt Gray
2019-04-02 15:30:46 +09:00
committed by Greg Kroah-Hartman
parent 7657b2c123
commit 4bb00e934d
2 changed files with 24 additions and 0 deletions
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8
Documentation/ABI/testing/sysfs-bus-iio
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@@ -1656,6 +1656,8 @@ What: /sys/bus/iio/devices/iio:deviceX/in_countY_raw
KernelVersion: 4.10
Contact: linux-iio@vger.kernel.org
Description:
This interface is deprecated; please use the Counter subsystem.
Raw counter device counts from channel Y. For quadrature
counters, multiplication by an available [Y]_scale results in
the counts of a single quadrature signal phase from channel Y.
@@ -1664,6 +1666,8 @@ What: /sys/bus/iio/devices/iio:deviceX/in_indexY_raw
KernelVersion: 4.10
Contact: linux-iio@vger.kernel.org
Description:
This interface is deprecated; please use the Counter subsystem.
Raw counter device index value from channel Y. This attribute
provides an absolute positional reference (e.g. a pulse once per
revolution) which may be used to home positional systems as
@@ -1673,6 +1677,8 @@ What: /sys/bus/iio/devices/iio:deviceX/in_count_count_direction_available
KernelVersion: 4.12
Contact: linux-iio@vger.kernel.org
Description:
This interface is deprecated; please use the Counter subsystem.
A list of possible counting directions which are:
- "up" : counter device is increasing.
- "down": counter device is decreasing.
@@ -1681,6 +1687,8 @@ What: /sys/bus/iio/devices/iio:deviceX/in_countY_count_direction
KernelVersion: 4.12
Contact: linux-iio@vger.kernel.org
Description:
This interface is deprecated; please use the Counter subsystem.
Raw counter device counters direction for channel Y.
What: /sys/bus/iio/devices/iio:deviceX/in_phaseY_raw