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Subject[PATCH v1 2/2] ALSA: hda/cirrus: Use CS8409 Equalizer to fix abnormal sounds on Bullseye
Date
From: Stefan Binding <sbinding@opensource.cirrus.com>

Tested on DELL Inspiron-3505, DELL Inspiron-3501, DELL Inspiron-3500

Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Signed-off-by: Vitaly Rodionov <vitalyr@opensource.cirrus.com>
BugLink: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1924997
Reported-and-tested-by: You-Sheng Yang <vicamo.yang@canonical.com>
---
sound/pci/hda/patch_cirrus.c | 33 +++++++++++++++++++++++++++++++++
1 file changed, 33 insertions(+)

diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c
index d6cf93b7483c..82c5f0869684 100644
--- a/sound/pci/hda/patch_cirrus.c
+++ b/sound/pci/hda/patch_cirrus.c
@@ -1481,6 +1481,34 @@ static const struct cs8409_cir_param cs8409_cs42l42_hw_cfg[] = {
{} /* Terminator */
};

+static const struct cs8409_cir_param cs8409_cs42l42_bullseye_atn[] = {
+ { 0x47, 0x65, 0x4000 }, /* EQ_SEL=1, EQ1/2_EN=0 */
+ { 0x47, 0x64, 0x4000 }, /* +EQ_ACC */
+ { 0x47, 0x65, 0x4010 }, /* +EQ2_EN */
+ { 0x47, 0x63, 0x0647 }, /* EQ_DATA_HI=0x0647 */
+ { 0x47, 0x64, 0xc0c7 }, /* +EQ_WRT, +EQ_ACC, EQ_ADR=0, EQ_DATA_LO=0x67 */
+ { 0x47, 0x63, 0x0647 }, /* EQ_DATA_HI=0x0647 */
+ { 0x47, 0x64, 0xc1c7 }, /* +EQ_WRT, +EQ_ACC, EQ_ADR=1, EQ_DATA_LO=0x67 */
+ { 0x47, 0x63, 0xf370 }, /* EQ_DATA_HI=0xf370 */
+ { 0x47, 0x64, 0xc271 }, /* +EQ_WRT, +EQ_ACC, EQ_ADR=2, EQ_DATA_LO=0x71 */
+ { 0x47, 0x63, 0x1ef8 }, /* EQ_DATA_HI=0x1ef8 */
+ { 0x47, 0x64, 0xc348 }, /* +EQ_WRT, +EQ_ACC, EQ_ADR=3, EQ_DATA_LO=0x48 */
+ { 0x47, 0x63, 0xc110 }, /* EQ_DATA_HI=0xc110 */
+ { 0x47, 0x64, 0xc45a }, /* +EQ_WRT, +EQ_ACC, EQ_ADR=4, EQ_DATA_LO=0x5a */
+ { 0x47, 0x63, 0x1f29 }, /* EQ_DATA_HI=0x1f29 */
+ { 0x47, 0x64, 0xc574 }, /* +EQ_WRT, +EQ_ACC, EQ_ADR=5, EQ_DATA_LO=0x74 */
+ { 0x47, 0x63, 0x1d7a }, /* EQ_DATA_HI=0x1d7a */
+ { 0x47, 0x64, 0xc653 }, /* +EQ_WRT, +EQ_ACC, EQ_ADR=6, EQ_DATA_LO=0x53 */
+ { 0x47, 0x63, 0xc38c }, /* EQ_DATA_HI=0xc38c */
+ { 0x47, 0x64, 0xc714 }, /* +EQ_WRT, +EQ_ACC, EQ_ADR=7, EQ_DATA_LO=0x14 */
+ { 0x47, 0x63, 0x1ca3 }, /* EQ_DATA_HI=0x1ca3 */
+ { 0x47, 0x64, 0xc8c7 }, /* +EQ_WRT, +EQ_ACC, EQ_ADR=8, EQ_DATA_LO=0xc7 */
+ { 0x47, 0x63, 0xc38c }, /* EQ_DATA_HI=0xc38c */
+ { 0x47, 0x64, 0xc914 }, /* +EQ_WRT, +EQ_ACC, EQ_ADR=9, EQ_DATA_LO=0x14 */
+ { 0x47, 0x64, 0x0000 }, /* -EQ_ACC, -EQ_WRT */
+ {} /* Terminator */
+};
+
/**
* cs8409_enable_i2c_clock - Enable I2C clocks
* @codec: the codec instance
@@ -2029,6 +2057,7 @@ static void cs8409_enable_ur(struct hda_codec *codec, int flag)
static void cs8409_cs42l42_hw_init(struct hda_codec *codec)
{
const struct cs8409_cir_param *seq = cs8409_cs42l42_hw_cfg;
+ const struct cs8409_cir_param *seq_bullseye = cs8409_cs42l42_bullseye_atn;
struct cs_spec *spec = codec->spec;

if (spec->gpio_mask) {
@@ -2043,6 +2072,10 @@ static void cs8409_cs42l42_hw_init(struct hda_codec *codec)
for (; seq->nid; seq++)
cs_vendor_coef_set(codec, seq->cir, seq->coeff);

+ if (codec->fixup_id == CS8409_BULLSEYE)
+ for (; seq_bullseye->nid; seq_bullseye++)
+ cs_vendor_coef_set(codec, seq_bullseye->cir, seq_bullseye->coeff);
+
/* Disable Unsolicited Response during boot */
cs8409_enable_ur(codec, 0);

--
2.25.1
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