diff options
| author | Bard Liao <yung-chuan.liao@linux.intel.com> | 2024-12-18 16:01:44 +0800 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2024-12-23 12:00:33 +0530 |
| commit | b6a2e1be7d9303d07eff72a13132a37e035fbcfa (patch) | |
| tree | 3a9304b3b4b2700f0c5cc302574f68cf689ac9ed | |
| parent | 7533d0df69452c3e7b69c727c1e8e1a7e1afc83c (diff) | |
soundwire: add lane_used_bandwidth in struct sdw_bus
To support multi-lane, we need to know how much bandwidth
is used on each lane. And to use the lane that has enough
bandwidth.
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20241218080155.102405-4-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
| -rw-r--r-- | include/linux/soundwire/sdw.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h index bb4e33a4db170..ae38ac848d383 100644 --- a/include/linux/soundwire/sdw.h +++ b/include/linux/soundwire/sdw.h @@ -893,6 +893,7 @@ struct sdw_master_ops { * @multi_link: Store bus property that indicates if multi links * are supported. This flag is populated by drivers after reading * appropriate firmware (ACPI/DT). + * @lane_used_bandwidth: how much bandwidth in bits per second is used by each lane */ struct sdw_bus { struct device *dev; @@ -924,6 +925,7 @@ struct sdw_bus { struct dentry *debugfs; #endif bool multi_link; + unsigned int lane_used_bandwidth[SDW_MAX_LANES]; }; int sdw_bus_master_add(struct sdw_bus *bus, struct device *parent, |