[alsa-devel] [RFC PATCH 3/7] ABI: testing: Add description of soundwire master sysfs files

Greg KH gregkh at linuxfoundation.org
Sat May 4 08:53:52 CEST 2019


On Fri, May 03, 2019 at 08:00:26PM -0500, Pierre-Louis Bossart wrote:
> 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 at linux.intel.com>
> ---
>  .../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 <pierre-louis.bossart at linux.intel.com>
> +
> +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
>   */

This last chunk should go in patch 1 of this series, right?

thanks,

greg k-h


More information about the Alsa-devel mailing list