linux-kernel - [PATCH 11/14] soundwire: mipi-disco: add support for peripheral channelprepare timeout

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Message-ID: <20240827130707.298477-12-yung-chuan.liao@linux.intel.com>
Date: Tue, 27 Aug 2024 21:07:04 +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,
	pierre-louis.bossart@...ux.intel.com,
	bard.liao@...el.com
Subject: [PATCH 11/14] soundwire: mipi-disco: add support for peripheral channelprepare timeout

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

The DisCo for SoundWire 2.0 spec renamed the
'mipi-sdw-slave-channelprepare-timeout', add support for the new
definition in backwards-compatible ways.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@...ux.intel.com>
---
 drivers/soundwire/mipi_disco.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/soundwire/mipi_disco.c b/drivers/soundwire/mipi_disco.c
index 5f42d23bbc85..6feba5631eae 100644
--- a/drivers/soundwire/mipi_disco.c
+++ b/drivers/soundwire/mipi_disco.c
@@ -344,6 +344,7 @@ int sdw_slave_read_prop(struct sdw_slave *slave)
 	struct device *dev = &slave->dev;
 	struct fwnode_handle *port;
 	int nval;
+	int ret;
 
 	device_property_read_u32(dev, "mipi-sdw-sw-interface-revision",
 				 &prop->mipi_revision);
@@ -366,8 +367,11 @@ int sdw_slave_read_prop(struct sdw_slave *slave)
 	device_property_read_u32(dev, "mipi-sdw-clockstopprepare-timeout",
 				 &prop->clk_stop_timeout);
 
-	device_property_read_u32(dev, "mipi-sdw-slave-channelprepare-timeout",
-				 &prop->ch_prep_timeout);
+	ret = device_property_read_u32(dev, "mipi-sdw-peripheral-channelprepare-timeout",
+				       &prop->ch_prep_timeout);
+	if (ret < 0)
+		device_property_read_u32(dev, "mipi-sdw-slave-channelprepare-timeout",
+					 &prop->ch_prep_timeout);
 
 	device_property_read_u32(dev,
 			"mipi-sdw-clockstopprepare-hard-reset-behavior",
-- 
2.43.0