linux-kernel - [PATCH v2 3/3] soundwire: intel: increase maximum number of links

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Message-ID: <20240819005548.5867-4-yung-chuan.liao@linux.intel.com>
Date: Mon, 19 Aug 2024 08:55:48 +0800
From: Bard Liao <yung-chuan.liao@...ux.intel.com>
To: linux-sound@...r.kernel.org,
	vkoul@...nel.org
Cc: vinod.koul@...aro.org,
	linux-kernel@...r.kernel.org,
	tiwai@...e.de,
	broonie@...nel.org,
	pierre-louis.bossart@...ux.intel.com,
	bard.liao@...el.com
Subject: [PATCH v2 3/3] soundwire: intel: increase maximum number of links

From: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>

Intel platforms have enabled 4 links since the beginning, newer
platforms now have 5 links. Update the definition accordingly.

This patch will have no effect on older platforms where the number of
links was hard-coded. A follow-up patch will add a dynamic check that
the ACPI-reported information is aligned with hardware capabilities on
newer platforms.

Acked-by: Vinod Koul <vkoul@...nel.org>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@...ux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@...ux.intel.com>
---
 include/linux/soundwire/sdw_intel.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/soundwire/sdw_intel.h b/include/linux/soundwire/sdw_intel.h
index cb8e7396b4db..37ae69365fe2 100644
--- a/include/linux/soundwire/sdw_intel.h
+++ b/include/linux/soundwire/sdw_intel.h
@@ -453,6 +453,6 @@ extern const struct sdw_intel_hw_ops sdw_intel_lnl_hw_ops;
 /*
  * Max number of links supported in hardware
  */
-#define SDW_INTEL_MAX_LINKS                4
+#define SDW_INTEL_MAX_LINKS                5
 
 #endif
-- 
2.43.0