From: Pierre-Louis Bossart Date: Thu, 27 Feb 2025 14:06:07 +0000 (+0800) Subject: soundwire: bus: add bpt_stream pointer X-Git-Tag: v6.15-rc1~77^2~9 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=8e4a239b403bd8aed8787798de8e4e42f79246c2;p=thirdparty%2Fkernel%2Flinux.git soundwire: bus: add bpt_stream pointer Add a convenience pointer to the 'sdw_bus' structure. BPT is a dedicated stream which will typically not be handled by DAIs or dailinks. Since there's only one BPT stream per link, storing the pointer at the link level seems rather natural. Signed-off-by: Pierre-Louis Bossart Signed-off-by: Bard Liao Reviewed-by: Péter Ujfalusi Reviewed-by: Liam Girdwood Reviewed-by: Ranjani Sridharan Tested-by: shumingf@realtek.com Link: https://lore.kernel.org/r/20250227140615.8147-9-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 69f3e700796d0..2362f621d94c2 100644 --- a/include/linux/soundwire/sdw.h +++ b/include/linux/soundwire/sdw.h @@ -979,6 +979,7 @@ struct sdw_stream_runtime { * @stream_refcount: number of streams currently using this bus * @btp_stream_refcount: number of BTP streams currently using this bus (should * be zero or one, multiple streams per link is not supported). + * @bpt_stream: pointer stored to handle BTP streams. * @ops: Master callback ops * @port_ops: Master port callback ops * @prop: Master properties @@ -1017,6 +1018,7 @@ struct sdw_bus { struct sdw_bus_params params; int stream_refcount; int bpt_stream_refcount; + struct sdw_stream_runtime *bpt_stream; const struct sdw_master_ops *ops; const struct sdw_master_port_ops *port_ops; struct sdw_master_prop prop;