diff options
author | Lucas Tanure <tanureal@opensource.cirrus.com> | 2021-03-06 21:55:49 +0300 |
---|---|---|
committer | Mark Brown <broonie@kernel.org> | 2021-03-10 16:14:27 +0300 |
commit | c5b8ee0879bcdc5082d42fe92d3c235b74feef37 (patch) | |
tree | 3a713456706ca2cddcb52ab317e81d2929aba4de /sound/soc/codecs/cs42l42.c | |
parent | 585e7079de0eac555bcdfe6284e439ee05fb18cb (diff) | |
download | linux-c5b8ee0879bcdc5082d42fe92d3c235b74feef37.tar.xz |
ASoC: cs42l42: Report jack and button detection
Report the Jack events to the user space through ALSA.
Also moves request_threaded_irq() to component_probe so it don't get
interrupts before the initialization the struct snd_soc_jack.
Signed-off-by: Lucas Tanure <tanureal@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20210306185553.62053-12-tanureal@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/cs42l42.c')
-rw-r--r-- | sound/soc/codecs/cs42l42.c | 70 |
1 files changed, 56 insertions, 14 deletions
diff --git a/sound/soc/codecs/cs42l42.c b/sound/soc/codecs/cs42l42.c index b5084681aaab..594bf2252103 100644 --- a/sound/soc/codecs/cs42l42.c +++ b/sound/soc/codecs/cs42l42.c @@ -522,10 +522,18 @@ static int cs42l42_component_probe(struct snd_soc_component *component) { struct cs42l42_private *cs42l42 = (struct cs42l42_private *)snd_soc_component_get_drvdata(component); + struct snd_soc_card *crd = component->card; + int ret = 0; cs42l42->component = component; - return 0; + ret = snd_soc_card_jack_new(crd, "CS42L42 Headset", SND_JACK_HEADSET | SND_JACK_BTN_0 | + SND_JACK_BTN_1 | SND_JACK_BTN_2 | SND_JACK_BTN_3, + &cs42l42->jack, NULL, 0); + if (ret < 0) + dev_err(component->dev, "Cannot create CS42L42 Headset: %d\n", ret); + + return ret; } static const struct snd_soc_component_driver soc_component_dev_cs42l42 = { @@ -1198,7 +1206,7 @@ static void cs42l42_cancel_hs_type_detect(struct cs42l42_private *cs42l42) (3 << CS42L42_HSDET_AUTO_TIME_SHIFT)); } -static void cs42l42_handle_button_press(struct cs42l42_private *cs42l42) +static int cs42l42_handle_button_press(struct cs42l42_private *cs42l42) { int bias_level; unsigned int detect_status; @@ -1241,17 +1249,24 @@ static void cs42l42_handle_button_press(struct cs42l42_private *cs42l42) switch (bias_level) { case 1: /* Function C button press */ + bias_level = SND_JACK_BTN_2; dev_dbg(cs42l42->component->dev, "Function C button press\n"); break; case 2: /* Function B button press */ + bias_level = SND_JACK_BTN_1; dev_dbg(cs42l42->component->dev, "Function B button press\n"); break; case 3: /* Function D button press */ + bias_level = SND_JACK_BTN_3; dev_dbg(cs42l42->component->dev, "Function D button press\n"); break; case 4: /* Function A button press */ + bias_level = SND_JACK_BTN_0; dev_dbg(cs42l42->component->dev, "Function A button press\n"); break; + default: + bias_level = 0; + break; } /* Set button detect level sensitivity back to default */ @@ -1281,6 +1296,8 @@ static void cs42l42_handle_button_press(struct cs42l42_private *cs42l42) (0 << CS42L42_M_HSBIAS_HIZ_SHIFT) | (1 << CS42L42_M_SHORT_RLS_SHIFT) | (1 << CS42L42_M_SHORT_DET_SHIFT)); + + return bias_level; } struct cs42l42_irq_params { @@ -1325,6 +1342,8 @@ static irqreturn_t cs42l42_irq_thread(int irq, void *data) unsigned int current_plug_status; unsigned int current_button_status; unsigned int i; + int report = 0; + /* Read sticky registers to clear interurpt */ for (i = 0; i < ARRAY_SIZE(stickies); i++) { @@ -1351,9 +1370,20 @@ static irqreturn_t cs42l42_irq_thread(int irq, void *data) if ((~masks[5]) & irq_params_table[5].mask) { if (stickies[5] & CS42L42_HSDET_AUTO_DONE_MASK) { cs42l42_process_hs_type_detect(cs42l42); - dev_dbg(component->dev, - "Auto detect done (%d)\n", - cs42l42->hs_type); + switch(cs42l42->hs_type){ + case CS42L42_PLUG_CTIA: + case CS42L42_PLUG_OMTP: + snd_soc_jack_report(&cs42l42->jack, SND_JACK_HEADSET, + SND_JACK_HEADSET); + break; + case CS42L42_PLUG_HEADPHONE: + snd_soc_jack_report(&cs42l42->jack, SND_JACK_HEADPHONE, + SND_JACK_HEADPHONE); + break; + default: + break; + } + dev_dbg(component->dev, "Auto detect done (%d)\n", cs42l42->hs_type); } } @@ -1371,8 +1401,19 @@ static irqreturn_t cs42l42_irq_thread(int irq, void *data) if (cs42l42->plug_state != CS42L42_TS_UNPLUG) { cs42l42->plug_state = CS42L42_TS_UNPLUG; cs42l42_cancel_hs_type_detect(cs42l42); - dev_dbg(component->dev, - "Unplug event\n"); + + switch(cs42l42->hs_type){ + case CS42L42_PLUG_CTIA: + case CS42L42_PLUG_OMTP: + snd_soc_jack_report(&cs42l42->jack, 0, SND_JACK_HEADSET); + break; + case CS42L42_PLUG_HEADPHONE: + snd_soc_jack_report(&cs42l42->jack, 0, SND_JACK_HEADPHONE); + break; + default: + break; + } + dev_dbg(component->dev, "Unplug event\n"); } break; @@ -1387,14 +1428,15 @@ static irqreturn_t cs42l42_irq_thread(int irq, void *data) if (!(current_button_status & CS42L42_M_HSBIAS_HIZ_MASK)) { - if (current_button_status & - CS42L42_M_DETECT_TF_MASK) { - dev_dbg(component->dev, - "Button released\n"); - } else if (current_button_status & - CS42L42_M_DETECT_FT_MASK) { - cs42l42_handle_button_press(cs42l42); + if (current_button_status & CS42L42_M_DETECT_TF_MASK) { + dev_dbg(component->dev, "Button released\n"); + report = 0; + } else if (current_button_status & CS42L42_M_DETECT_FT_MASK) { + report = cs42l42_handle_button_press(cs42l42); + } + snd_soc_jack_report(&cs42l42->jack, report, SND_JACK_BTN_0 | SND_JACK_BTN_1 | + SND_JACK_BTN_2 | SND_JACK_BTN_3); } } |