ALSA: hda: cs35l41: Enable Amp High Pass Filter

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>

diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c
index 1aad2604b9dbf0c75fdd1637434a804a3edfc176..75020edd39e75fe2810a7a608fa197029609877a 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)