linux-kernel - [PATCH 3/7] soundwire: intel: add register_dai callback in hw

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Date:   Fri, 11 Nov 2022 09:31:30 +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,
        pierre-louis.bossart@...ux.intel.com, bard.liao@...el.com
Subject: [PATCH 3/7] soundwire: intel: add register_dai callback in hw_ops

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

No functionality change, only add indirection for DAI registration
helper.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
Reviewed-by: Rander Wang <rander.wang@...el.com>
Signed-off-by: Bard Liao <yung-chuan.liao@...ux.intel.com>
---
 drivers/soundwire/intel.c           | 4 +++-
 drivers/soundwire/intel.h           | 7 +++++++
 include/linux/soundwire/sdw_intel.h | 3 +++
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c
index 914f2fb43721..0496eb0d6084 100644
--- a/drivers/soundwire/intel.c
+++ b/drivers/soundwire/intel.c
@@ -1426,6 +1426,8 @@ const struct sdw_intel_hw_ops sdw_intel_cnl_hw_ops = {
 	.debugfs_init = intel_debugfs_init,
 	.debugfs_exit = intel_debugfs_exit,
 
+	.register_dai = intel_register_dai,
+
 	.pre_bank_switch = intel_pre_bank_switch,
 	.post_bank_switch = intel_post_bank_switch,
 };
@@ -1611,7 +1613,7 @@ int intel_link_startup(struct auxiliary_device *auxdev)
 		goto err_init;
 
 	/* Register DAIs */
-	ret = intel_register_dai(sdw);
+	ret = sdw_intel_register_dai(sdw);
 	if (ret) {
 		dev_err(dev, "DAI registration failed: %d\n", ret);
 		goto err_power_up;
diff --git a/drivers/soundwire/intel.h b/drivers/soundwire/intel.h
index 5548b8451d01..0521cab311a3 100644
--- a/drivers/soundwire/intel.h
+++ b/drivers/soundwire/intel.h
@@ -77,4 +77,11 @@ static inline void sdw_intel_debugfs_exit(struct sdw_intel *sdw)
 		SDW_INTEL_OPS(sdw, debugfs_exit)(sdw);
 }
 
+static inline int sdw_intel_register_dai(struct sdw_intel *sdw)
+{
+	if (SDW_INTEL_CHECK_OPS(sdw, register_dai))
+		return SDW_INTEL_OPS(sdw, register_dai)(sdw);
+	return -ENOTSUPP;
+}
+
 #endif /* __SDW_INTEL_LOCAL_H */
diff --git a/include/linux/soundwire/sdw_intel.h b/include/linux/soundwire/sdw_intel.h
index 211924e4ebf2..5be63d4fe62e 100644
--- a/include/linux/soundwire/sdw_intel.h
+++ b/include/linux/soundwire/sdw_intel.h
@@ -299,6 +299,7 @@ struct sdw_intel;
 /* struct intel_sdw_hw_ops - SoundWire ops for Intel platforms.
  * @debugfs_init: initialize all debugfs capabilities
  * @debugfs_exit: close and cleanup debugfs capabilities
+ * @register_dai: read all PDI information and register DAIs
  * @pre_bank_switch: helper for bus management
  * @post_bank_switch: helper for bus management
  */
@@ -306,6 +307,8 @@ struct sdw_intel_hw_ops {
 	void (*debugfs_init)(struct sdw_intel *sdw);
 	void (*debugfs_exit)(struct sdw_intel *sdw);
 
+	int (*register_dai)(struct sdw_intel *sdw);
+
 	int (*pre_bank_switch)(struct sdw_intel *sdw);
 	int (*post_bank_switch)(struct sdw_intel *sdw);
 };
-- 
2.25.1