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ASoC: rk3308_codec: add support reversed headphone jack

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Change-Id: I4752c935684e3b745185cc43b826cad06ff429c5
Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
This commit is contained in:
Xing Zheng
2019-05-17 12:08:26 +08:00
committed by Sugar Zhang
parent 6eba7ada5a
commit ab30c1bf0d
1 changed files with 53 additions and 14 deletions
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67
sound/soc/codecs/rk3308_codec.c
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@@ -215,6 +215,7 @@ struct rk3308_codec_priv {
bool enable_micbias;
bool micbias1;
bool micbias2;
bool hp_jack_reversed;
bool hp_plugged;
bool loopback_dacs_enabled;
bool no_deep_low_power;
@@ -4119,13 +4120,26 @@ static void rk3308_codec_hpdetect_work(struct work_struct *work)
regmap_write(rk3308->detect_grf,
DETECT_GRF_ACODEC_HPDET_STATUS_CLR, val);
switch (val) {
case 0x1:
dac_output = DAC_HPOUT;
report_type = SND_JACK_HEADPHONE;
break;
default:
break;
if (rk3308->hp_jack_reversed) {
switch (val) {
case 0x0:
case 0x2:
dac_output = DAC_HPOUT;
report_type = SND_JACK_HEADPHONE;
break;
default:
break;
}
} else {
switch (val) {
case 0x1:
dac_output = DAC_HPOUT;
report_type = SND_JACK_HEADPHONE;
break;
default:
/* Includes val == 2 or others. */
break;
}
}
rk3308_codec_dac_switch(rk3308, dac_output);
@@ -4141,18 +4155,35 @@ static void rk3308_codec_hpdetect_work(struct work_struct *work)
/* Check headphone unplugged via poll. */
regmap_read(rk3308->regmap, RK3308_DAC_DIG_CON14, &val);
if (!val) {
rk3308->hp_plugged = false;
need_report = 1;
need_irq = 1;
} else {
if (!rk3308->hp_plugged) {
if (rk3308->hp_jack_reversed) {
if (!val) {
rk3308->hp_plugged = true;
report_type = SND_JACK_HEADPHONE;
need_report = 1;
need_irq = 1;
} else {
if (rk3308->hp_plugged) {
rk3308->hp_plugged = false;
need_report = 1;
}
need_poll = 1;
}
} else {
if (!val) {
rk3308->hp_plugged = false;
need_report = 1;
need_irq = 1;
} else {
if (!rk3308->hp_plugged) {
rk3308->hp_plugged = true;
report_type = SND_JACK_HEADPHONE;
need_report = 1;
}
need_poll = 1;
}
need_poll = 1;
}
if (need_poll)
@@ -4226,6 +4257,11 @@ void rk3308_codec_set_jack_detect(struct snd_soc_codec *codec,
struct rk3308_codec_priv *rk3308 = snd_soc_codec_get_drvdata(codec);
rk3308->hpdet_jack = hpdet_jack;
/* To detect jack once during startup */
disable_irq_nosync(rk3308->irq);
queue_delayed_work(system_power_efficient_wq,
&rk3308->hpdet_work, msecs_to_jiffies(10));
}
EXPORT_SYMBOL_GPL(rk3308_codec_set_jack_detect);
@@ -4819,6 +4855,9 @@ static int rk3308_platform_probe(struct platform_device *pdev)
rk3308->enable_all_adcs =
of_property_read_bool(np, "rockchip,enable-all-adcs");
rk3308->hp_jack_reversed =
of_property_read_bool(np, "rockchip,hp-jack-reversed");
rk3308->no_deep_low_power =
of_property_read_bool(np, "rockchip,no-deep-low-power");