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ASoC: rt722: reset codec to fix abnormal sound

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The audio output may become abnormal after a warm reboot from Windows.
Reset the codec once during hardware initialization to restore it to a known
state and prevent the issue.
BugLink: https://github.com/thesofproject/linux/issues/5845

Signed-off-by: Shuming Fan <shumingf@realtek.com>
Link: https://patch.msgid.link/20260728090111.3676617-1-shumingf@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Shuming Fan
2026-07-28 17:01:11 +08:00
committed by Mark Brown
parent 537601771a
commit d0ecbedd6a
2 changed files with 18 additions and 0 deletions
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4
sound/soc/codecs/rt722-sdca-sdw.c
View File

@@ -113,6 +113,7 @@ static int rt722_sdca_mbq_size(struct device *dev, unsigned int reg)
case 0x2000090 ... 0x2000094:
case 0x20000b1:
case 0x20000b4:
case 0x3010000:
case 0x3110000:
case 0x5300000 ... 0x5300300:
case 0x5400002:
@@ -196,15 +197,18 @@ static bool rt722_sdca_volatile_register(struct device *dev, unsigned int reg)
case 0x2000007:
case 0x200000d:
case 0x2000019:
case 0x200001a:
case 0x2000020:
case 0x2000030:
case 0x2000046:
case 0x2000067:
case 0x2000084:
case 0x2000086:
case 0x3010000:
case 0x3110000:
case 0x5800003:
case 0x5810000:
case 0x6100008:
case 0x44011000 ... 0x440115ff:
case 0x44012000:
case 0x44012021:

14
sound/soc/codecs/rt722-sdca.c
View File

@@ -1851,6 +1851,17 @@ static void rt722_sdca_jack_preset(struct rt722_sdca_priv *rt722)
}
}
static void rt722_sdca_reset(struct rt722_sdca_priv *rt722)
{
rt722_sdca_index_update_bits(rt722, RT722_VENDOR_REG,
RT722_LDO1_CTL, RT722_HIDDEN_REG_SW_RESET,
RT722_HIDDEN_REG_SW_RESET);
rt722_sdca_index_update_bits(rt722, RT722_VENDOR_HDA_CTL,
RT722_HDA_LEGACY_RESET_CTL, 0x1, 0x1);
if (rt722->hw_vid == RT722_VA)
rt722_sdca_index_write(rt722, RT722_VENDOR_REG, RT722_LDO1_CTL, 0xb091);
}
int rt722_sdca_io_init(struct device *dev, struct sdw_slave *slave)
{
struct rt722_sdca_priv *rt722 = dev_get_drvdata(dev);
@@ -1888,6 +1899,9 @@ int rt722_sdca_io_init(struct device *dev, struct sdw_slave *slave)
rt722->hw_vid = (val & 0x0f00) >> 8;
dev_dbg(&slave->dev, "%s hw_vid=0x%x\n", __func__, rt722->hw_vid);
if (!rt722->first_hw_init)
rt722_sdca_reset(rt722);
rt722_sdca_dmic_preset(rt722);
rt722_sdca_amp_preset(rt722);
rt722_sdca_jack_preset(rt722);