From: Zhu Ning zhuning0077@gmail.com
Commit 04f96c9340463aae20d2511a3d6cb0b005b07d24 upstream.
The old jack detection function only supports fixed OMTP/CTIA hardware connection. The new one supports auto OMTP/CTIA headset detection
Signed-off-by: Zhu Ning zhuning0077@gmail.com Link: https://lore.kernel.org/r/20230717033223.42506-5-zhuning0077@gmail.com Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Vasiliy Kovalev kovalev@altlinux.org --- sound/soc/codecs/es8326.c | 109 +++++++++++++++++++++++++++++++------- 1 file changed, 89 insertions(+), 20 deletions(-)
diff --git a/sound/soc/codecs/es8326.c b/sound/soc/codecs/es8326.c index eda0e53a1d8e43..bee505b5fa0b68 100644 --- a/sound/soc/codecs/es8326.c +++ b/sound/soc/codecs/es8326.c @@ -41,6 +41,8 @@ struct es8326_priv {
bool calibrated; int version; + int hp; + int jack_remove_retry; };
static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(dac_vol_tlv, -9550, 50, 0); @@ -535,6 +537,7 @@ static void es8326_jack_button_handler(struct work_struct *work) cur_button = SND_JACK_BTN_0; break; case 0x6f: + case 0x4b: /* button volume up */ cur_button = SND_JACK_BTN_1; break; @@ -543,6 +546,7 @@ static void es8326_jack_button_handler(struct work_struct *work) cur_button = SND_JACK_BTN_2; break; case 0x1e: + case 0xe2: /* button released or not pressed */ cur_button = 0; break; @@ -552,20 +556,20 @@ static void es8326_jack_button_handler(struct work_struct *work)
if ((prev_button == cur_button) && (cur_button != 0)) { press_count++; - if (press_count > 10) { - /* report a press every 500ms */ + if (press_count > 3) { + /* report a press every 120ms */ snd_soc_jack_report(es8326->jack, cur_button, SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2); press_count = 0; } button_to_report = cur_button; queue_delayed_work(system_wq, &es8326->button_press_work, - msecs_to_jiffies(50)); + msecs_to_jiffies(35)); } else if (prev_button != cur_button) { /* mismatch, detect again */ prev_button = cur_button; queue_delayed_work(system_wq, &es8326->button_press_work, - msecs_to_jiffies(50)); + msecs_to_jiffies(35)); } else { /* released or no pressed */ if (button_to_report != 0) { @@ -589,32 +593,96 @@ static void es8326_jack_detect_handler(struct work_struct *work) mutex_lock(&es8326->lock); iface = snd_soc_component_read(comp, ES8326_HPDET_STA); dev_dbg(comp->dev, "gpio flag %#04x", iface); + + if (es8326->jack_remove_retry == 1) { + if (iface & ES8326_HPINSERT_FLAG) + es8326->jack_remove_retry = 2; + else + es8326->jack_remove_retry = 0; + + dev_dbg(comp->dev, "remove event check, set HPJACK_POL normal, cnt = %d\n", + es8326->jack_remove_retry); + /* + * Inverted HPJACK_POL bit to trigger one IRQ to double check HP Removal event + */ + regmap_update_bits(es8326->regmap, ES8326_HPDET_TYPE, + ES8326_HP_DET_JACK_POL, (es8326->jd_inverted ? + ~es8326->jack_pol : es8326->jack_pol)); + goto exit; + } + if ((iface & ES8326_HPINSERT_FLAG) == 0) { /* Jack unplugged or spurious IRQ */ - dev_dbg(comp->dev, "No headset detected"); + dev_dbg(comp->dev, "No headset detected\n"); + es8326_disable_micbias(es8326->component); if (es8326->jack->status & SND_JACK_HEADPHONE) { + dev_dbg(comp->dev, "Report hp remove event\n"); snd_soc_jack_report(es8326->jack, 0, SND_JACK_HEADSET); - snd_soc_component_write(comp, ES8326_ADC1_SRC, es8326->mic2_src); - es8326_disable_micbias(comp); + /* mute adc when mic path switch */ + regmap_write(es8326->regmap, ES8326_ADC_SCALE, 0x33); + regmap_write(es8326->regmap, ES8326_ADC1_SRC, 0x44); + regmap_write(es8326->regmap, ES8326_ADC2_SRC, 0x66); + es8326->hp = 0; + } + regmap_update_bits(es8326->regmap, ES8326_HPDET_TYPE, 0x03, 0x01); + /* + * Inverted HPJACK_POL bit to trigger one IRQ to double check HP Removal event + */ + if (es8326->jack_remove_retry == 0) { + es8326->jack_remove_retry = 1; + dev_dbg(comp->dev, "remove event check, invert HPJACK_POL, cnt = %d\n", + es8326->jack_remove_retry); + regmap_update_bits(es8326->regmap, ES8326_HPDET_TYPE, + ES8326_HP_DET_JACK_POL, (es8326->jd_inverted ? + es8326->jack_pol : ~es8326->jack_pol)); + + } else { + es8326->jack_remove_retry = 0; } } else if ((iface & ES8326_HPINSERT_FLAG) == ES8326_HPINSERT_FLAG) { + es8326->jack_remove_retry = 0; + if (es8326->hp == 0) { + dev_dbg(comp->dev, "First insert, start OMTP/CTIA type check\n"); + /* + * set auto-check mode, then restart jack_detect_work after 100ms. + * Don't report jack status. + */ + regmap_update_bits(es8326->regmap, ES8326_HPDET_TYPE, 0x03, 0x01); + usleep_range(50000, 70000); + regmap_update_bits(es8326->regmap, ES8326_HPDET_TYPE, 0x03, 0x00); + queue_delayed_work(system_wq, &es8326->jack_detect_work, + msecs_to_jiffies(100)); + es8326->hp = 1; + goto exit; + } if (es8326->jack->status & SND_JACK_HEADSET) { /* detect button */ + dev_dbg(comp->dev, "button pressed\n"); queue_delayed_work(system_wq, &es8326->button_press_work, 10); + goto exit; + } + if ((iface & ES8326_HPBUTTON_FLAG) == 0x01) { + dev_dbg(comp->dev, "Headphone detected\n"); + snd_soc_jack_report(es8326->jack, + SND_JACK_HEADPHONE, SND_JACK_HEADSET); } else { - if ((iface & ES8326_HPBUTTON_FLAG) == 0x00) { - dev_dbg(comp->dev, "Headset detected"); - snd_soc_jack_report(es8326->jack, - SND_JACK_HEADSET, SND_JACK_HEADSET); - snd_soc_component_write(comp, - ES8326_ADC1_SRC, es8326->mic1_src); - } else { - dev_dbg(comp->dev, "Headphone detected"); - snd_soc_jack_report(es8326->jack, - SND_JACK_HEADPHONE, SND_JACK_HEADSET); - } + dev_dbg(comp->dev, "Headset detected\n"); + snd_soc_jack_report(es8326->jack, + SND_JACK_HEADSET, SND_JACK_HEADSET); + + regmap_write(es8326->regmap, ES8326_ADC_SCALE, 0x33); + regmap_update_bits(es8326->regmap, ES8326_PGA_PDN, + 0x08, 0x08); + regmap_update_bits(es8326->regmap, ES8326_PGAGAIN, + 0x80, 0x80); + regmap_write(es8326->regmap, ES8326_ADC1_SRC, 0x00); + regmap_write(es8326->regmap, ES8326_ADC2_SRC, 0x00); + regmap_update_bits(es8326->regmap, ES8326_PGA_PDN, + 0x08, 0x00); + usleep_range(10000, 15000); } } +exit: mutex_unlock(&es8326->lock); }
@@ -633,7 +701,7 @@ static irqreturn_t es8326_irq(int irq, void *dev_id) msecs_to_jiffies(10)); else queue_delayed_work(system_wq, &es8326->jack_detect_work, - msecs_to_jiffies(300)); + msecs_to_jiffies(600));
out: return IRQ_HANDLED; @@ -763,7 +831,8 @@ static int es8326_resume(struct snd_soc_component *component) (ES8326_HP_DET_SRC_PIN9 | es8326->jack_pol) : (ES8326_HP_DET_SRC_PIN9 | es8326->jack_pol | 0x04)));
- es8326_irq(es8326->irq, es8326); + es8326->jack_remove_retry = 0; + es8326->hp = 0; return 0; }