[PATCH 2/3] ASoC: cs35l45: sort the register default table

Peter Ujfalusi <[email protected]> Wed, 5 Aug 2026 11:24:12 +0300
Newsgroups org.kernel.vger.linux-sound,org.kernel.vger.stable
Message-ID <[email protected]>
reg_defaults must be sorted by ascending register address, as
regcache_lookup_reg() locates entries in it with bsearch().  See commit
fd80df352ba1 ("regcache: Add support for sorting defaults arrays").

cs35l45_defaults[] lists the DSP1_RX*_RATE and DSP1_TX*_RATE registers
(0x02b80080 - 0x02b802b8) in the middle of the table, ahead of entries with
much lower addresses, so the binary search does not find 36 of its 73
entries.  regcache_reg_needs_sync() then cannot compare those against their
default and reports that a sync is needed, so they are written to the
device on every regcache_sync() even when they were never touched.

Sort the table by register address.

Fixes: 74b14e2850a3 ("ASoC: cs35l45: DSP Support")
Cc: [email protected]
Signed-off-by: Peter Ujfalusi <[email protected]>
---
 sound/soc/codecs/cs35l45-tables.c | 32 +++++++++++++++----------------
 1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/sound/soc/codecs/cs35l45-tables.c b/sound/soc/codecs/cs35l45-tables.c
index d2ecc7b3f619..764dbaa35042 100644
--- a/sound/soc/codecs/cs35l45-tables.c
+++ b/sound/soc/codecs/cs35l45-tables.c
@@ -66,22 +66,6 @@ static const struct reg_default cs35l45_defaults[] = {
 	{ CS35L45_ASPTX3_INPUT,			0x00000020 },
 	{ CS35L45_ASPTX4_INPUT,			0x00000028 },
 	{ CS35L45_ASPTX5_INPUT,			0x00000048 },
-	{ CS35L45_DSP1_RX1_RATE,		0x00000001 },
-	{ CS35L45_DSP1_RX2_RATE,		0x00000001 },
-	{ CS35L45_DSP1_RX3_RATE,		0x00000001 },
-	{ CS35L45_DSP1_RX4_RATE,		0x00000001 },
-	{ CS35L45_DSP1_RX5_RATE,		0x00000001 },
-	{ CS35L45_DSP1_RX6_RATE,		0x00000001 },
-	{ CS35L45_DSP1_RX7_RATE,		0x00000001 },
-	{ CS35L45_DSP1_RX8_RATE,		0x00000001 },
-	{ CS35L45_DSP1_TX1_RATE,		0x00000001 },
-	{ CS35L45_DSP1_TX2_RATE,		0x00000001 },
-	{ CS35L45_DSP1_TX3_RATE,		0x00000001 },
-	{ CS35L45_DSP1_TX4_RATE,		0x00000001 },
-	{ CS35L45_DSP1_TX5_RATE,		0x00000001 },
-	{ CS35L45_DSP1_TX6_RATE,		0x00000001 },
-	{ CS35L45_DSP1_TX7_RATE,		0x00000001 },
-	{ CS35L45_DSP1_TX8_RATE,		0x00000001 },
 	{ CS35L45_DSP1RX1_INPUT,		0x00000008 },
 	{ CS35L45_DSP1RX2_INPUT,		0x00000009 },
 	{ CS35L45_DSP1RX3_INPUT,		0x00000018 },
@@ -114,6 +98,22 @@ static const struct reg_default cs35l45_defaults[] = {
 	{ CS35L45_GPIO1_CTRL1,			0x81000001 },
 	{ CS35L45_GPIO2_CTRL1,			0x81000001 },
 	{ CS35L45_GPIO3_CTRL1,			0x81000001 },
+	{ CS35L45_DSP1_RX1_RATE,		0x00000001 },
+	{ CS35L45_DSP1_RX2_RATE,		0x00000001 },
+	{ CS35L45_DSP1_RX3_RATE,		0x00000001 },
+	{ CS35L45_DSP1_RX4_RATE,		0x00000001 },
+	{ CS35L45_DSP1_RX5_RATE,		0x00000001 },
+	{ CS35L45_DSP1_RX6_RATE,		0x00000001 },
+	{ CS35L45_DSP1_RX7_RATE,		0x00000001 },
+	{ CS35L45_DSP1_RX8_RATE,		0x00000001 },
+	{ CS35L45_DSP1_TX1_RATE,		0x00000001 },
+	{ CS35L45_DSP1_TX2_RATE,		0x00000001 },
+	{ CS35L45_DSP1_TX3_RATE,		0x00000001 },
+	{ CS35L45_DSP1_TX4_RATE,		0x00000001 },
+	{ CS35L45_DSP1_TX5_RATE,		0x00000001 },
+	{ CS35L45_DSP1_TX6_RATE,		0x00000001 },
+	{ CS35L45_DSP1_TX7_RATE,		0x00000001 },
+	{ CS35L45_DSP1_TX8_RATE,		0x00000001 },
 };
 
 static bool cs35l45_readable_reg(struct device *dev, unsigned int reg)
-- 
2.55.0