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authorShuming Fan <shumingf@realtek.com>2022-10-19 12:57:15 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-11-25 19:45:39 +0300
commitbb3edbd09287e515fe289fbedbffed5661a0ebda (patch)
treef602857b7f8162c2f4e2ed038b0fae4505a3f5b9 /sound
parentb1619f0307762526949f95c878119ca80e32149d (diff)
downloadlinux-bb3edbd09287e515fe289fbedbffed5661a0ebda.tar.xz
ASoC: rt1308-sdw: add the default value of some registers
[ 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>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/codecs/rt1308-sdw.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt1308-sdw.h b/sound/soc/codecs/rt1308-sdw.h
index c5ce75666dcc..98293d73ebab 100644
--- a/sound/soc/codecs/rt1308-sdw.h
+++ b/sound/soc/codecs/rt1308-sdw.h
@@ -139,9 +139,11 @@ 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 },
{ 0xc001 | (RT1308_POWER << 4), 0x00 },
{ 0xc002 | (RT1308_POWER << 4), 0x00 },
+ { 0xc000 | (RT1308_POWER_STATUS << 4), 0x00 },
};
#define RT1308_SDW_OFFSET 0xc000