ALSA: hda: cs35l41: Enable Amp High Pass Filter

BugLink: https://bugs.launchpad.net/bugs/2029199
This helps smooth out pops and clicks in the amps.

Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20230213145008.1215849-4-sbinding@opensource.cirrus.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
(cherry picked from commit 5791c7699ff1b8be24e1e3b2c08b180598d3ba28)
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>

diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c
index 6e41e8ae9a8a1fcf3736a4c5e132dc1a6821ad27..b5210abb5141f5a0a20a79dac1c8d5a2d13d9efc 100644 (file)
--- a/sound/pci/hda/cs35l41_hda.c
+++ b/sound/pci/hda/cs35l41_hda.c
@@ -58,7 +58,7 @@ 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,     0x00000000 }, // AMP_VOL_PCM  0.0 dB
+       { 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
 };
 
@@ -82,13 +82,13 @@ 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
-       { CS35L41_AMP_DIG_VOL_CTRL,     0x00000000 }, // AMP_VOL_PCM  0.0 dB
+       { 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
 };
 
 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
+       { CS35L41_AMP_DIG_VOL_CTRL,     0x0000A678 }, // AMP_HPF_PCM_EN = 1, AMP_VOL_PCM Mute
 };
 
 static void cs35l41_add_controls(struct cs35l41_hda *cs35l41)