[PATCH v4 27/27] ALSA: hda/cs8409: Unmute/Mute codec when stream starts/stops

From: Vitaly Rodionov
Date: Wed Aug 11 2021 - 14:57:53 EST

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From: Stefan Binding <sbinding@xxxxxxxxxxxxxxxxxxxxx>

Codec is muted on init, and then unmuted when the stream starts.

Signed-off-by: Stefan Binding <sbinding@xxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Vitaly Rodionov <vitalyr@xxxxxxxxxxxxxxxxxxxxx>
---

Changes in v2:
- No changes

Changes in v3:
- No changes

Changes in v4:
- No changes

sound/pci/hda/patch_cs8409-tables.c | 20 ++---
sound/pci/hda/patch_cs8409.c | 123 +++++++++++++++++++++++-----
sound/pci/hda/patch_cs8409.h | 7 ++
3 files changed, 120 insertions(+), 30 deletions(-)

diff --git a/sound/pci/hda/patch_cs8409-tables.c b/sound/pci/hda/patch_cs8409-tables.c
index a9a0b8e3b2a9..0fb0a428428b 100644
--- a/sound/pci/hda/patch_cs8409-tables.c
+++ b/sound/pci/hda/patch_cs8409-tables.c
@@ -81,7 +81,7 @@ static const struct cs8409_i2c_param cs42l42_init_reg_seq[] = {
{ 0x1010, 0xB0 },
{ 0x1D01, 0x00 },
{ 0x1D02, 0x06 },
- { 0x1D03, 0x00 },
+ { 0x1D03, 0x9F },
{ 0x1107, 0x01 },
{ 0x1009, 0x02 },
{ 0x1007, 0x03 },
@@ -111,8 +111,8 @@ static const struct cs8409_i2c_param cs42l42_init_reg_seq[] = {
{ 0x2901, 0x01 },
{ 0x1101, 0x0A },
{ 0x1102, 0x84 },
- { 0x2301, 0x00 },
- { 0x2303, 0x00 },
+ { 0x2301, 0x3F },
+ { 0x2303, 0x3F },
{ 0x2302, 0x3f },
{ 0x2001, 0x03 },
{ 0x1B75, 0xB6 },
@@ -284,7 +284,7 @@ static const struct cs8409_i2c_param dolphin_c0_init_reg_seq[] = {
{ 0x1010, 0xB0 },
{ 0x1D01, 0x00 },
{ 0x1D02, 0x06 },
- { 0x1D03, 0x00 },
+ { 0x1D03, 0x9F },
{ 0x1107, 0x01 },
{ 0x1009, 0x02 },
{ 0x1007, 0x03 },
@@ -309,8 +309,8 @@ static const struct cs8409_i2c_param dolphin_c0_init_reg_seq[] = {
{ 0x1101, 0x0A },
{ 0x1102, 0x84 },
{ 0x2001, 0x03 },
- { 0x2301, 0x00 },
- { 0x2303, 0x00 },
+ { 0x2301, 0x3F },
+ { 0x2303, 0x3F },
{ 0x2302, 0x3f },
{ 0x1B75, 0xB6 },
{ 0x1B73, 0xC2 },
@@ -340,7 +340,7 @@ static const struct cs8409_i2c_param dolphin_c1_init_reg_seq[] = {
{ 0x1010, 0xB0 },
{ 0x1D01, 0x00 },
{ 0x1D02, 0x06 },
- { 0x1D03, 0x00 },
+ { 0x1D03, 0x9F },
{ 0x1107, 0x01 },
{ 0x1009, 0x02 },
{ 0x1007, 0x03 },
@@ -365,8 +365,8 @@ static const struct cs8409_i2c_param dolphin_c1_init_reg_seq[] = {
{ 0x1101, 0x0E },
{ 0x1102, 0x84 },
{ 0x2001, 0x01 },
- { 0x2301, 0x00 },
- { 0x2303, 0x00 },
+ { 0x2301, 0x3F },
+ { 0x2303, 0x3F },
{ 0x2302, 0x3f },
{ 0x1B75, 0xB6 },
{ 0x1B73, 0xC2 },
@@ -377,7 +377,7 @@ static const struct cs8409_i2c_param dolphin_c1_init_reg_seq[] = {
{ 0x1112, 0x00 },
{ 0x1113, 0x80 },
{ 0x1C03, 0xC0 },
- { 0x1101, 0x02 },
+ { 0x1101, 0x06 },
{ 0x1316, 0xff },
{ 0x1317, 0xff },
{ 0x1318, 0xff },
diff --git a/sound/pci/hda/patch_cs8409.c b/sound/pci/hda/patch_cs8409.c
index 928972b4315d..272497b6cfcb 100644
--- a/sound/pci/hda/patch_cs8409.c
+++ b/sound/pci/hda/patch_cs8409.c
@@ -475,6 +475,38 @@ int cs42l42_volume_get(struct snd_kcontrol *kctrl, struct snd_ctl_elem_value *uc
return 0;
}

+static void cs42l42_mute(struct sub_codec *cs42l42, int vol_type,
+ unsigned int chs, bool mute)
+{
+ if (mute) {
+ if (vol_type == CS42L42_VOL_DAC) {
+ if (chs & BIT(0))
+ cs8409_i2c_write(cs42l42, CS42L42_REG_HS_VOL_CHA, 0x3f);
+ if (chs & BIT(1))
+ cs8409_i2c_write(cs42l42, CS42L42_REG_HS_VOL_CHB, 0x3f);
+ } else if (vol_type == CS42L42_VOL_ADC) {
+ if (chs & BIT(0))
+ cs8409_i2c_write(cs42l42, CS42L42_REG_AMIC_VOL, 0x9f);
+ }
+ } else {
+ if (vol_type == CS42L42_VOL_DAC) {
+ if (chs & BIT(0))
+ cs8409_i2c_write(cs42l42, CS42L42_REG_HS_VOL_CHA,
+ -(cs42l42->vol[CS42L42_DAC_CH0_VOL_OFFSET])
+ & CS42L42_REG_HS_VOL_MASK);
+ if (chs & BIT(1))
+ cs8409_i2c_write(cs42l42, CS42L42_REG_HS_VOL_CHB,
+ -(cs42l42->vol[CS42L42_DAC_CH1_VOL_OFFSET])
+ & CS42L42_REG_HS_VOL_MASK);
+ } else if (vol_type == CS42L42_VOL_ADC) {
+ if (chs & BIT(0))
+ cs8409_i2c_write(cs42l42, CS42L42_REG_AMIC_VOL,
+ cs42l42->vol[CS42L42_ADC_VOL_OFFSET]
+ & CS42L42_REG_AMIC_VOL_MASK);
+ }
+ }
+}
+
int cs42l42_volume_put(struct snd_kcontrol *kctrl, struct snd_ctl_elem_value *uctrl)
{
struct hda_codec *codec = snd_kcontrol_chip(kctrl);
@@ -486,25 +518,20 @@ int cs42l42_volume_put(struct snd_kcontrol *kctrl, struct snd_ctl_elem_value *uc

switch (ofs) {
case CS42L42_VOL_DAC:
- if (chs & BIT(0)) {
+ if (chs & BIT(0))
cs42l42->vol[ofs] = *valp;
- cs8409_i2c_write(cs42l42, CS42L42_REG_HS_VOL_CHA,
- -(cs42l42->vol[ofs]) & CS42L42_REG_HS_VOL_MASK);
- }
if (chs & BIT(1)) {
- ofs++;
valp++;
- cs42l42->vol[ofs] = *valp;
- cs8409_i2c_write(cs42l42, CS42L42_REG_HS_VOL_CHB,
- -(cs42l42->vol[ofs]) & CS42L42_REG_HS_VOL_MASK);
+ cs42l42->vol[ofs + 1] = *valp;
}
+ if (spec->playback_started)
+ cs42l42_mute(cs42l42, CS42L42_VOL_DAC, chs, false);
break;
case CS42L42_VOL_ADC:
- if (chs & BIT(0)) {
+ if (chs & BIT(0))
cs42l42->vol[ofs] = *valp;
- cs8409_i2c_write(cs42l42, CS42L42_REG_AMIC_VOL,
- cs42l42->vol[ofs] & CS42L42_REG_AMIC_VOL_MASK);
- }
+ if (spec->capture_started)
+ cs42l42_mute(cs42l42, CS42L42_VOL_ADC, chs, false);
break;
default:
break;
@@ -513,6 +540,64 @@ int cs42l42_volume_put(struct snd_kcontrol *kctrl, struct snd_ctl_elem_value *uc
return 0;
}

+static void cs42l42_playback_pcm_hook(struct hda_pcm_stream *hinfo,
+ struct hda_codec *codec,
+ struct snd_pcm_substream *substream,
+ int action)
+{
+ struct cs8409_spec *spec = codec->spec;
+ struct sub_codec *cs42l42;
+ int i;
+ bool mute;
+
+ switch (action) {
+ case HDA_GEN_PCM_ACT_PREPARE:
+ mute = false;
+ spec->playback_started = 1;
+ break;
+ case HDA_GEN_PCM_ACT_CLEANUP:
+ mute = true;
+ spec->playback_started = 0;
+ break;
+ default:
+ return;
+ }
+
+ for (i = 0; i < spec->num_scodecs; i++) {
+ cs42l42 = spec->scodecs[i];
+ cs42l42_mute(cs42l42, CS42L42_VOL_DAC, 0x3, mute);
+ }
+}
+
+static void cs42l42_capture_pcm_hook(struct hda_pcm_stream *hinfo,
+ struct hda_codec *codec,
+ struct snd_pcm_substream *substream,
+ int action)
+{
+ struct cs8409_spec *spec = codec->spec;
+ struct sub_codec *cs42l42;
+ int i;
+ bool mute;
+
+ switch (action) {
+ case HDA_GEN_PCM_ACT_PREPARE:
+ mute = false;
+ spec->capture_started = 1;
+ break;
+ case HDA_GEN_PCM_ACT_CLEANUP:
+ mute = true;
+ spec->capture_started = 0;
+ break;
+ default:
+ return;
+ }
+
+ for (i = 0; i < spec->num_scodecs; i++) {
+ cs42l42 = spec->scodecs[i];
+ cs42l42_mute(cs42l42, CS42L42_VOL_ADC, 0x3, mute);
+ }
+}
+
/* Configure CS42L42 slave codec for jack autodetect */
static void cs42l42_enable_jack_detect(struct sub_codec *cs42l42)
{
@@ -658,14 +743,6 @@ static void cs42l42_resume(struct sub_codec *cs42l42)
/* Clear interrupts, by reading interrupt status registers */
cs8409_i2c_bulk_read(cs42l42, irq_regs, ARRAY_SIZE(irq_regs));

- /* Restore Volumes after Resume */
- cs8409_i2c_write(cs42l42, CS42L42_REG_HS_VOL_CHA,
- -(cs42l42->vol[1]) & CS42L42_REG_HS_VOL_MASK);
- cs8409_i2c_write(cs42l42, CS42L42_REG_HS_VOL_CHB,
- -(cs42l42->vol[2]) & CS42L42_REG_HS_VOL_MASK);
- cs8409_i2c_write(cs42l42, CS42L42_REG_AMIC_VOL,
- cs42l42->vol[0] & CS42L42_REG_AMIC_VOL_MASK);
-
if (cs42l42->full_scale_vol)
cs8409_i2c_write(cs42l42, 0x2001, 0x01);

@@ -925,6 +1002,9 @@ void cs8409_cs42l42_fixups(struct hda_codec *codec, const struct hda_fixup *fix,
/* Fix Sample Rate to 48kHz */
spec->gen.stream_analog_playback = &cs42l42_48k_pcm_analog_playback;
spec->gen.stream_analog_capture = &cs42l42_48k_pcm_analog_capture;
+ /* add hooks */
+ spec->gen.pcm_playback_hook = cs42l42_playback_pcm_hook;
+ spec->gen.pcm_capture_hook = cs42l42_capture_pcm_hook;
/* Set initial DMIC volume to -26 dB */
snd_hda_codec_amp_init_stereo(codec, CS8409_CS42L42_DMIC_ADC_PIN_NID,
HDA_INPUT, 0, 0xff, 0x19);
@@ -1120,6 +1200,9 @@ void dolphin_fixups(struct hda_codec *codec, const struct hda_fixup *fix, int ac
/* Fix Sample Rate to 48kHz */
spec->gen.stream_analog_playback = &cs42l42_48k_pcm_analog_playback;
spec->gen.stream_analog_capture = &cs42l42_48k_pcm_analog_capture;
+ /* add hooks */
+ spec->gen.pcm_playback_hook = cs42l42_playback_pcm_hook;
+ spec->gen.pcm_capture_hook = cs42l42_capture_pcm_hook;
snd_hda_gen_add_kctl(&spec->gen, "Headphone Playback Volume",
&cs42l42_dac_volume_mixer);
snd_hda_gen_add_kctl(&spec->gen, "Mic Capture Volume", &cs42l42_adc_volume_mixer);
diff --git a/sound/pci/hda/patch_cs8409.h b/sound/pci/hda/patch_cs8409.h
index 09987daa9cbf..207315ad5bf6 100644
--- a/sound/pci/hda/patch_cs8409.h
+++ b/sound/pci/hda/patch_cs8409.h
@@ -280,6 +280,10 @@ enum {
CS42L42_VOL_DAC,
};

+#define CS42L42_ADC_VOL_OFFSET (CS42L42_VOL_ADC)
+#define CS42L42_DAC_CH0_VOL_OFFSET (CS42L42_VOL_DAC)
+#define CS42L42_DAC_CH1_VOL_OFFSET (CS42L42_VOL_DAC + 1)
+
struct cs8409_i2c_param {
unsigned int addr;
unsigned int value;
@@ -327,6 +331,9 @@ struct cs8409_spec {
unsigned int dev_addr;
struct delayed_work i2c_clk_work;

+ unsigned int playback_started:1;
+ unsigned int capture_started:1;
+
/* verb exec op override */
int (*exec_verb)(struct hdac_device *dev, unsigned int cmd, unsigned int flags,
unsigned int *res);
--
2.25.1

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