Mute the device before shutdown to avoid pops and clicks all types of boost.
Signed-off-by: Lucas Tanure tanureal@opensource.cirrus.com --- sound/pci/hda/cs35l41_hda.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c index 665f0b4e191a..75c5088cb224 100644 --- a/sound/pci/hda/cs35l41_hda.c +++ b/sound/pci/hda/cs35l41_hda.c @@ -28,6 +28,11 @@ static const struct reg_sequence cs35l41_hda_config[] = { { CS35L41_PWR_CTRL2, 0x00000001 }, // AMP_EN = 1 };
+static const struct reg_sequence cs35l41_hda_mute[] = { + { CS35L41_AMP_GAIN_CTRL, 0x00000000 }, // AMP_GAIN_PCM 0.5 dB + { CS35L41_AMP_DIG_VOL_CTRL, 0x0000A678 }, // AMP_VOL_PCM Mute +}; + static const struct reg_sequence cs35l41_hda_start_bst[] = { { CS35L41_PWR_CTRL2, 0x00000021 }, // BST_EN = 10, AMP_EN = 1 { CS35L41_PWR_CTRL1, 0x00000001, 3000}, // set GLOBAL_EN = 1 @@ -89,7 +94,6 @@ static const struct reg_sequence cs35l41_active_to_safe[] = { { 0x00000040, 0x00000055 }, { 0x00000040, 0x000000AA }, { 0x00007438, 0x00585941 }, - { CS35L41_AMP_DIG_VOL_CTRL, 0x0000A678 }, // AMP_VOL_PCM Mute { CS35L41_PWR_CTRL2, 0x00000000 }, // AMP_EN = 0 { CS35L41_PWR_CTRL1, 0x00000000 }, { 0x0000742C, 0x00000009, 2000 }, @@ -146,6 +150,7 @@ static void cs35l41_hda_playback_hook(struct device *dev, int action) ret = regmap_multi_reg_write(reg, reg_seq->prepare, reg_seq->num_prepare); break; case HDA_GEN_PCM_ACT_CLEANUP: + regmap_multi_reg_write(reg, cs35l41_hda_mute, ARRAY_SIZE(cs35l41_hda_mute)); if (reg_seq->cleanup) ret = regmap_multi_reg_write(reg, reg_seq->cleanup, reg_seq->num_cleanup); break;