diff options
| author | Lucas Tanure <tanureal@opensource.cirrus.com> | 2022-04-13 09:37:20 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2022-04-13 10:42:33 +0200 |
| commit | f29db0892b2a9b2827f4a1afd3abebb82bcf843c (patch) | |
| tree | 391ae9c87b9e0f97ed41332668f2473c6ec932eb /sound/pci | |
| parent | f04bb4cae18b8eb7e7e7bc35a8e07f1f26bbb919 (diff) | |
ALSA: hda: cs35l41: Mute the device before shutdown
Mute the device before shutdown to avoid pops and clicks for all types
of boost.
Signed-off-by: Lucas Tanure <tanureal@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20220413083728.10730-9-tanureal@opensource.cirrus.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci')
| -rw-r--r-- | sound/pci/hda/cs35l41_hda.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c index 46e920ec3000..0709d09f4e13 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; |