[PATCH 07/17] ASoC: rt711-sdca: sort the register default tables

Peter Ujfalusi <[email protected]> Wed, 5 Aug 2026 12:02:30 +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").

Both tables group the entries by SDCA entity instead: in
rt711_sdca_reg_defaults[] the CS01 sample frequency index is listed before
the FU05 controls (1 of 54 entries unreachable), and in
rt711_sdca_mbq_defaults[] the MIC_ARRAY FU1E volumes are listed before the
JACK_CODEC FU0F volumes (2 of 25 entries unreachable).
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 both tables by register address.

Fixes: 7ad4d237e7c4 ("ASoC: rt711-sdca: Add RT711 SDCA vendor-specific driver")
Cc: [email protected]
Signed-off-by: Peter Ujfalusi <[email protected]>
---
 sound/soc/codecs/rt711-sdca-sdw.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/sound/soc/codecs/rt711-sdca-sdw.h b/sound/soc/codecs/rt711-sdca-sdw.h
index 0d774e473ab9..9aa22b52d556 100644
--- a/sound/soc/codecs/rt711-sdca-sdw.h
+++ b/sound/soc/codecs/rt711-sdca-sdw.h
@@ -58,12 +58,12 @@ static const struct reg_default rt711_sdca_reg_defaults[] = {
 	{ 0x2f0f, 0x00 },
 	{ 0x2f50, 0x03 },
 	{ 0x2f5a, 0x00 },
-	{ SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT711_SDCA_ENT_CS01, RT711_SDCA_CTL_SAMPLE_FREQ_INDEX, 0), 0x09 },
 	{ SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT711_SDCA_ENT_USER_FU05, RT711_SDCA_CTL_FU_MUTE, CH_L), 0x01 },
 	{ SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT711_SDCA_ENT_USER_FU05, RT711_SDCA_CTL_FU_MUTE, CH_R), 0x01 },
 	{ SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT711_SDCA_ENT_USER_FU0F, RT711_SDCA_CTL_FU_MUTE, CH_L), 0x01 },
 	{ SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT711_SDCA_ENT_USER_FU0F, RT711_SDCA_CTL_FU_MUTE, CH_R), 0x01 },
 	{ SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT711_SDCA_ENT_PDE28, RT711_SDCA_CTL_REQ_POWER_STATE, 0), 0x03 },
+	{ SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT711_SDCA_ENT_CS01, RT711_SDCA_CTL_SAMPLE_FREQ_INDEX, 0), 0x09 },
 	{ SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT711_SDCA_ENT_USER_FU1E, RT711_SDCA_CTL_FU_MUTE, CH_L), 0x01 },
 	{ SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT711_SDCA_ENT_USER_FU1E, RT711_SDCA_CTL_FU_MUTE, CH_R), 0x01 },
 };
@@ -86,14 +86,14 @@ static const struct reg_default rt711_sdca_mbq_defaults[] = {
 	{ 0x610003f, 0xff12 },
 	{ SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT711_SDCA_ENT_USER_FU05, RT711_SDCA_CTL_FU_VOLUME, CH_L), 0x00 },
 	{ SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT711_SDCA_ENT_USER_FU05, RT711_SDCA_CTL_FU_VOLUME, CH_R), 0x00 },
-	{ SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT711_SDCA_ENT_USER_FU1E, RT711_SDCA_CTL_FU_VOLUME, CH_L), 0x00 },
-	{ SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT711_SDCA_ENT_USER_FU1E, RT711_SDCA_CTL_FU_VOLUME, CH_R), 0x00 },
 	{ SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT711_SDCA_ENT_USER_FU0F, RT711_SDCA_CTL_FU_VOLUME, CH_L), 0x00 },
 	{ SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT711_SDCA_ENT_USER_FU0F, RT711_SDCA_CTL_FU_VOLUME, CH_R), 0x00 },
 	{ SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT711_SDCA_ENT_PLATFORM_FU44, RT711_SDCA_CTL_FU_CH_GAIN, CH_L), 0x00 },
 	{ SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT711_SDCA_ENT_PLATFORM_FU44, RT711_SDCA_CTL_FU_CH_GAIN, CH_R), 0x00 },
 	{ SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT711_SDCA_ENT_PLATFORM_FU15, RT711_SDCA_CTL_FU_CH_GAIN, CH_L), 0x00 },
 	{ SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT711_SDCA_ENT_PLATFORM_FU15, RT711_SDCA_CTL_FU_CH_GAIN, CH_R), 0x00 },
+	{ SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT711_SDCA_ENT_USER_FU1E, RT711_SDCA_CTL_FU_VOLUME, CH_L), 0x00 },
+	{ SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT711_SDCA_ENT_USER_FU1E, RT711_SDCA_CTL_FU_VOLUME, CH_R), 0x00 },
 };
 
 #endif /* __RT711_SDW_SDCA_H__ */
-- 
2.55.0