From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pierre-Louis Bossart Subject: [RFC PATCH 3/7] ABI: testing: Add description of soundwire master sysfs files Date: Fri, 3 May 2019 20:00:26 -0500 Message-ID: <20190504010030.29233-4-pierre-louis.bossart@linux.intel.com> References: <20190504010030.29233-1-pierre-louis.bossart@linux.intel.com> Return-path: In-Reply-To: <20190504010030.29233-1-pierre-louis.bossart@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org To: alsa-devel@alsa-project.org Cc: linux-kernel@vger.kernel.org, tiwai@suse.de, broonie@kernel.org, vkoul@kernel.org, gregkh@linuxfoundation.org, liam.r.girdwood@linux.intel.com, jank@cadence.com, joe@perches.com, srinivas.kandagatla@linaro.org, Pierre-Louis Bossart , Sanyog Kale List-Id: alsa-devel@alsa-project.org 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 --- .../ABI/testing/sysfs-bus-soundwire-master | 21 +++++++++++++++++++ drivers/soundwire/sysfs.c | 1 + 2 files changed, 22 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-bus-soundwire-master diff --git a/Documentation/ABI/testing/sysfs-bus-soundwire-master b/Documentation/ABI/testing/sysfs-bus-soundwire-master new file mode 100644 index 000000000000..69cadf31049d --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-soundwire-master @@ -0,0 +1,21 @@ +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: May 2019 + +Contact: Pierre-Louis Bossart + +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. diff --git a/drivers/soundwire/sysfs.c b/drivers/soundwire/sysfs.c index 734e2c8bc5cd..c2e5b7ad42fb 100644 --- a/drivers/soundwire/sysfs.c +++ b/drivers/soundwire/sysfs.c @@ -31,6 +31,7 @@ struct sdw_master_sysfs { * |---- clk_gears * |---- default_row * |---- default_col + * |---- default_frame_shape * |---- dynamic_shape * |---- err_threshold */ -- 2.17.1