From: Bard Liao Date: Wed, 18 Dec 2024 08:01:44 +0000 (+0800) Subject: soundwire: add lane_used_bandwidth in struct sdw_bus X-Git-Tag: v6.14-rc1~41^2~12 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b6a2e1be7d9303d07eff72a13132a37e035fbcfa;p=thirdparty%2Fkernel%2Flinux.git 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 Reviewed-by: Péter Ujfalusi Reviewed-by: Pierre-Louis Bossart Link: https://lore.kernel.org/r/20241218080155.102405-4-yung-chuan.liao@linux.intel.com Signed-off-by: Vinod Koul --- 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,