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soundwire: add new mclk_freq field for properties 

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>
Link: https://lore.kernel.org/r/20190806005522.22642-11-pierre-louis.bossart@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Pierre-Louis Bossart 2019-08-05 19:55:15 -05:00 committed by Vinod Koul
parent 3a0be1a65b
commit 82fc8d0650
1 changed files with 2 additions and 0 deletions
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2
include/linux/soundwire/sdw.h
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@ -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);