From: Maciej Strozek mstrozek@opensource.cirrus.com
[ Upstream commit 164b7dd4546b57c08b373e9e3cf315ff98cb032d ]
Hardware reports jack absent after reset/suspension regardless of jack state, so introduce an additional delay only in suspension case to allow proper detection to take place after a short delay.
Signed-off-by: Maciej Strozek mstrozek@opensource.cirrus.com Reviewed-by: Charles Keepax ckeepax@opensource.cirrus.com Link: https://patch.msgid.link/20250304140504.139245-1-mstrozek@opensource.cirrus.... Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- sound/soc/codecs/cs42l43-jack.c | 13 ++++++++++--- sound/soc/codecs/cs42l43.c | 15 ++++++++++++++- sound/soc/codecs/cs42l43.h | 3 +++ 3 files changed, 27 insertions(+), 4 deletions(-)
diff --git a/sound/soc/codecs/cs42l43-jack.c b/sound/soc/codecs/cs42l43-jack.c index d9ab003e166bf..ac19a572fe70c 100644 --- a/sound/soc/codecs/cs42l43-jack.c +++ b/sound/soc/codecs/cs42l43-jack.c @@ -167,7 +167,7 @@ int cs42l43_set_jack(struct snd_soc_component *component, autocontrol |= 0x3 << CS42L43_JACKDET_MODE_SHIFT;
ret = cs42l43_find_index(priv, "cirrus,tip-fall-db-ms", 500, - NULL, cs42l43_accdet_db_ms, + &priv->tip_fall_db_ms, cs42l43_accdet_db_ms, ARRAY_SIZE(cs42l43_accdet_db_ms)); if (ret < 0) goto error; @@ -175,7 +175,7 @@ int cs42l43_set_jack(struct snd_soc_component *component, tip_deb |= ret << CS42L43_TIPSENSE_FALLING_DB_TIME_SHIFT;
ret = cs42l43_find_index(priv, "cirrus,tip-rise-db-ms", 500, - NULL, cs42l43_accdet_db_ms, + &priv->tip_rise_db_ms, cs42l43_accdet_db_ms, ARRAY_SIZE(cs42l43_accdet_db_ms)); if (ret < 0) goto error; @@ -764,6 +764,8 @@ void cs42l43_tip_sense_work(struct work_struct *work) error: mutex_unlock(&priv->jack_lock);
+ priv->suspend_jack_debounce = false; + pm_runtime_mark_last_busy(priv->dev); pm_runtime_put_autosuspend(priv->dev); } @@ -771,14 +773,19 @@ void cs42l43_tip_sense_work(struct work_struct *work) irqreturn_t cs42l43_tip_sense(int irq, void *data) { struct cs42l43_codec *priv = data; + unsigned int db_delay = priv->tip_debounce_ms;
cancel_delayed_work(&priv->bias_sense_timeout); cancel_delayed_work(&priv->tip_sense_work); cancel_delayed_work(&priv->button_press_work); cancel_work(&priv->button_release_work);
+ // Ensure delay after suspend is long enough to avoid false detection + if (priv->suspend_jack_debounce) + db_delay += priv->tip_fall_db_ms + priv->tip_rise_db_ms; + queue_delayed_work(system_long_wq, &priv->tip_sense_work, - msecs_to_jiffies(priv->tip_debounce_ms)); + msecs_to_jiffies(db_delay));
return IRQ_HANDLED; } diff --git a/sound/soc/codecs/cs42l43.c b/sound/soc/codecs/cs42l43.c index 83c21c17fb80b..4e3d9c1d87d42 100644 --- a/sound/soc/codecs/cs42l43.c +++ b/sound/soc/codecs/cs42l43.c @@ -2402,9 +2402,22 @@ static int cs42l43_codec_runtime_resume(struct device *dev) return 0; }
+static int cs42l43_codec_runtime_force_suspend(struct device *dev) +{ + struct cs42l43_codec *priv = dev_get_drvdata(dev); + + dev_dbg(priv->dev, "Runtime suspend\n"); + + priv->suspend_jack_debounce = true; + + pm_runtime_force_suspend(dev); + + return 0; +} + static const struct dev_pm_ops cs42l43_codec_pm_ops = { RUNTIME_PM_OPS(NULL, cs42l43_codec_runtime_resume, NULL) - SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, pm_runtime_force_resume) + SET_SYSTEM_SLEEP_PM_OPS(cs42l43_codec_runtime_force_suspend, pm_runtime_force_resume) };
static const struct platform_device_id cs42l43_codec_id_table[] = { diff --git a/sound/soc/codecs/cs42l43.h b/sound/soc/codecs/cs42l43.h index 9c144e129535f..1cd9d8a71c439 100644 --- a/sound/soc/codecs/cs42l43.h +++ b/sound/soc/codecs/cs42l43.h @@ -78,6 +78,8 @@ struct cs42l43_codec {
bool use_ring_sense; unsigned int tip_debounce_ms; + unsigned int tip_fall_db_ms; + unsigned int tip_rise_db_ms; unsigned int bias_low; unsigned int bias_sense_ua; unsigned int bias_ramp_ms; @@ -95,6 +97,7 @@ struct cs42l43_codec { bool button_detect_running; bool jack_present; int jack_override; + bool suspend_jack_debounce;
struct work_struct hp_ilimit_work; struct delayed_work hp_ilimit_clear_work;