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| author |   Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> | 2020-05-19 04:35:50 +0800 |
|---|---|---|
| committer |   Vinod Koul <vkoul@kernel.org> | 2020-05-20 17:22:36 +0530 |
| commit | c5778ca49a19420c67dbeff0744a3b3b75ef4e1a (patch) | |
| tree | 2ebe09043b3f5f8ba75ea4364f03c6d6bf6e12f2 /Documentation/ABI | |
| parent | soundwire: disco: s/ch/channels/ (diff) | |
| download | wireguard-linux-c5778ca49a19420c67dbeff0744a3b3b75ef4e1a.tar.xz wireguard-linux-c5778ca49a19420c67dbeff0744a3b3b75ef4e1a.zip | |
soundwire: master: add sysfs support
Add the master properties as attributes. The description is directly
derived from the MIPI DisCo specification.
Credits: this patch is based on an earlier internal contribution by
Vinod Koul, Sanyog Kale, Shreyas Nc and Hardik Shah.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200518203551.2053-3-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-soundwire-master | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-soundwire-master b/Documentation/ABI/testing/sysfs-bus-soundwire-master new file mode 100644 index 000000000000..46ef038d8722 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-soundwire-master @@ -0,0 +1,23 @@ +What: /sys/bus/soundwire/devices/sdw-master-N/revision + /sys/bus/soundwire/devices/sdw-master-N/clk_stop_modes + /sys/bus/soundwire/devices/sdw-master-N/clk_freq + /sys/bus/soundwire/devices/sdw-master-N/clk_gears + /sys/bus/soundwire/devices/sdw-master-N/default_col + /sys/bus/soundwire/devices/sdw-master-N/default_frame_rate + /sys/bus/soundwire/devices/sdw-master-N/default_row + /sys/bus/soundwire/devices/sdw-master-N/dynamic_shape + /sys/bus/soundwire/devices/sdw-master-N/err_threshold + /sys/bus/soundwire/devices/sdw-master-N/max_clk_freq + +Date: April 2020 + +Contact: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> + Bard Liao <yung-chuan.liao@linux.intel.com> + Vinod Koul <vkoul@kernel.org> + +Description: SoundWire Master-N DisCo properties. + These properties are defined by MIPI DisCo Specification + for SoundWire. They define various properties of the Master + and are used by the bus to configure the Master. clk_stop_modes + is a bitmask for simplifications and combines the + clock-stop-mode0 and clock-stop-mode1 properties. |