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Date: Sun, 30 Aug 2020 21:27:40 +0800 From: Bard Liao <yung-chuan.liao@...ux.intel.com> To: alsa-devel@...a-project.org, vkoul@...nel.org Cc: vinod.koul@...aro.org, linux-kernel@...r.kernel.org, tiwai@...e.de, broonie@...nel.org, gregkh@...uxfoundation.org, jank@...ence.com, srinivas.kandagatla@...aro.org, rander.wang@...ux.intel.com, ranjani.sridharan@...ux.intel.com, hui.wang@...onical.com, pierre-louis.bossart@...ux.intel.com, sanyog.r.kale@...el.com, mengdong.lin@...el.com, bard.liao@...el.com Subject: [PATCH v3 1/3] soundwire: add definition for maximum number of ports From: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com> A Device may have at most 15 physical ports (DP0, DP1..DP14). Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com> Reviewed-by: Rander Wang <rander.wang@...ux.intel.com> Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@...ux.intel.com> Signed-off-by: Bard Liao <yung-chuan.liao@...ux.intel.com> --- include/linux/soundwire/sdw.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h index 76052f12c9f7..0aa4c6af7554 100644 --- a/include/linux/soundwire/sdw.h +++ b/include/linux/soundwire/sdw.h @@ -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, -- 2.17.1
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