To help pass platform-specific values, add a new field that can either be set by the Master driver or read from firmware (BIOS/DT).
Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com --- include/linux/soundwire/sdw.h | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h index 31d1e8acf25b..b6acc436ac80 100644 --- a/include/linux/soundwire/sdw.h +++ b/include/linux/soundwire/sdw.h @@ -379,6 +379,7 @@ struct sdw_slave_prop { * @dynamic_frame: Dynamic frame shape supported * @err_threshold: Number of times that software may retry sending a single * command + * @mclk_freq: clock reference passed to SoundWire Master, in Hz. */ struct sdw_master_prop { u32 revision; @@ -393,6 +394,7 @@ struct sdw_master_prop { u32 default_col; bool dynamic_frame; u32 err_threshold; + u32 mclk_freq; };
int sdw_master_read_prop(struct sdw_bus *bus);