From: Shuming Fan shumingf@realtek.com

[ Upstream commit 75d8b1662ca5c20cf8365575222abaef18ff1f50 ]

The driver missed the default value of register 0xc070/0xc360. This patch adds that default value to avoid invalid register access when the device doesn't be enumerated yet. BugLink: https://github.com/thesofproject/linux/issues/3924

Signed-off-by: Shuming Fan shumingf@realtek.com Link: https://lore.kernel.org/r/20221019095715.31082-1-shumingf@realtek.com Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- sound/soc/codecs/rt1308-sdw.h | 2 ++ 1 file changed, 2 insertions(+)

diff --git a/sound/soc/codecs/rt1308-sdw.h b/sound/soc/codecs/rt1308-sdw.h index 6668e19d85d4..b5f231f708cb 100644 --- a/sound/soc/codecs/rt1308-sdw.h +++ b/sound/soc/codecs/rt1308-sdw.h @@ -139,10 +139,12 @@ static const struct reg_default rt1308_reg_defaults[] = { { 0x3005, 0x23 }, { 0x3008, 0x02 }, { 0x300a, 0x00 }, + { 0xc000 | (RT1308_DATA_PATH << 4), 0x00 }, { 0xc003 | (RT1308_DAC_SET << 4), 0x00 }, { 0xc000 | (RT1308_POWER << 4), 0x00 }, { 0xc001 | (RT1308_POWER << 4), 0x00 }, { 0xc002 | (RT1308_POWER << 4), 0x00 }, + { 0xc000 | (RT1308_POWER_STATUS << 4), 0x00 }, };

#define RT1308_SDW_OFFSET 0xc000