Commit 63642595 authored by Pierre-Louis Bossart's avatar Pierre-Louis Bossart Committed by Vinod Koul
Browse files

soundwire: add definition for maximum number of ports 



A Device may have at most 15 physical ports (DP0, DP1..DP14).

Signed-off-by: default avatarPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: default avatarBard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: default avatarRander Wang <rander.wang@linux.intel.com>
Reviewed-by: default avatarGuennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Link: https://lore.kernel.org/r/20200831134318.11443-3-yung-chuan.liao@linux.intel.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent d0bbcb4e

include/linux/soundwire/sdw.h

+2 −1
Original line number Diff line number Diff line
@@ -38,7 +38,8 @@ struct sdw_slave; 
#define SDW_FRAME_CTRL_BITS		48

#define SDW_MAX_DEVICES			11



#define SDW_VALID_PORT_RANGE(n)		((n) <= 14 && (n) >= 1)

#define SDW_MAX_PORTS			15

#define SDW_VALID_PORT_RANGE(n)		((n) < SDW_MAX_PORTS && (n) >= 1)



enum {

	SDW_PORT_DIRN_SINK = 0,