linux-kernel - [PATCH 1/7] soundwire: cadence: show the bus frequency and frame shape

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Date: Tue, 26 Mar 2024 09:20:24 +0000
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 1/7] soundwire: cadence: show the bus frequency and frame shape

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

This log is useful when trying different configurations, specifically
to make sure ACPI initrd overrides have been taken into account.

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/cadence_master.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/soundwire/cadence_master.c b/drivers/soundwire/cadence_master.c
index c2c1463a5c53..74da99034dab 100644
--- a/drivers/soundwire/cadence_master.c
+++ b/drivers/soundwire/cadence_master.c
@@ -1319,6 +1319,12 @@ static void cdns_init_clock_ctrl(struct sdw_cdns *cdns)
 	u32 ssp_interval;
 	int divider;
 
+	dev_dbg(cdns->dev, "mclk %d max %d row %d col %d\n",
+		prop->mclk_freq,
+		prop->max_clk_freq,
+		prop->default_row,
+		prop->default_col);
+
 	/* Set clock divider */
 	divider	= (prop->mclk_freq / prop->max_clk_freq) - 1;
 
-- 
2.34.1