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authorStefan Binding <sbinding@opensource.cirrus.com>2023-07-21 16:18:16 +0100
committerTakashi Iwai <tiwai@suse.de>2023-07-24 11:00:05 +0200
commit2d816d4f92086ca0a7b79198794012076b4cab0b (patch)
treeb06a3416f40bee74761cd42de15ac641dc119107 /sound/pci
parent7cf5ce66dfda2be444ea668c3d48f732ba4a7fd1 (diff)
ALSA: hda: cs35l41: Ensure amp is only unmuted during playback
Currently we only mute after playback has finished, and unmute prior to setting global enable. To prevent any possible pops and clicks, mute at probe, and then only unmute after global enable is set. Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com> Link: https://lore.kernel.org/r/20230721151816.2080453-12-sbinding@opensource.cirrus.com Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci')
-rw-r--r--sound/pci/hda/cs35l41_hda.c22
1 files changed, 20 insertions, 2 deletions
diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c
index 175378cdf9df..98feb5ccd586 100644
--- a/sound/pci/hda/cs35l41_hda.c
+++ b/sound/pci/hda/cs35l41_hda.c
@@ -58,8 +58,6 @@ static const struct reg_sequence cs35l41_hda_config[] = {
{ CS35L41_DSP1_RX3_SRC, 0x00000018 }, // DSP1RX3 SRC = VMON
{ CS35L41_DSP1_RX4_SRC, 0x00000019 }, // DSP1RX4 SRC = IMON
{ CS35L41_DSP1_RX5_SRC, 0x00000020 }, // DSP1RX5 SRC = ERRVOL
- { CS35L41_AMP_DIG_VOL_CTRL, 0x00008000 }, // AMP_HPF_PCM_EN = 1, AMP_VOL_PCM 0.0 dB
- { CS35L41_AMP_GAIN_CTRL, 0x00000084 }, // AMP_GAIN_PCM 4.5 dB
};
static const struct reg_sequence cs35l41_hda_config_dsp[] = {
@@ -82,6 +80,14 @@ static const struct reg_sequence cs35l41_hda_config_dsp[] = {
{ CS35L41_DSP1_RX3_SRC, 0x00000018 }, // DSP1RX3 SRC = VMON
{ CS35L41_DSP1_RX4_SRC, 0x00000019 }, // DSP1RX4 SRC = IMON
{ CS35L41_DSP1_RX5_SRC, 0x00000029 }, // DSP1RX5 SRC = VBSTMON
+};
+
+static const struct reg_sequence cs35l41_hda_unmute[] = {
+ { CS35L41_AMP_DIG_VOL_CTRL, 0x00008000 }, // AMP_HPF_PCM_EN = 1, AMP_VOL_PCM 0.0 dB
+ { CS35L41_AMP_GAIN_CTRL, 0x00000084 }, // AMP_GAIN_PCM 4.5 dB
+};
+
+static const struct reg_sequence cs35l41_hda_unmute_dsp[] = {
{ CS35L41_AMP_DIG_VOL_CTRL, 0x00008000 }, // AMP_HPF_PCM_EN = 1, AMP_VOL_PCM 0.0 dB
{ CS35L41_AMP_GAIN_CTRL, 0x00000233 }, // AMP_GAIN_PCM = 17.5dB AMP_GAIN_PDM = 19.5dB
};
@@ -522,6 +528,13 @@ static void cs35l41_hda_play_done(struct device *dev)
cs35l41_global_enable(dev, reg, cs35l41->hw_cfg.bst_type, 1, NULL,
cs35l41->firmware_running);
+ if (cs35l41->firmware_running) {
+ regmap_multi_reg_write(reg, cs35l41_hda_unmute_dsp,
+ ARRAY_SIZE(cs35l41_hda_unmute_dsp));
+ } else {
+ regmap_multi_reg_write(reg, cs35l41_hda_unmute,
+ ARRAY_SIZE(cs35l41_hda_unmute));
+ }
}
static void cs35l41_hda_pause_start(struct device *dev)
@@ -1616,6 +1629,11 @@ int cs35l41_hda_probe(struct device *dev, const char *device_name, int id, int i
if (ret)
goto err;
+ ret = regmap_multi_reg_write(cs35l41->regmap, cs35l41_hda_mute,
+ ARRAY_SIZE(cs35l41_hda_mute));
+ if (ret)
+ goto err;
+
INIT_WORK(&cs35l41->fw_load_work, cs35l41_fw_load_work);
mutex_init(&cs35l41->fw_mutex);