[PATCH 10/17] soundwire: add new mclk_freq field for properties

Pierre-Louis Bossart
2019-08-06T00:56:20Z

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);
--
2.20.1