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ASoC: Intel: bytcr_rt5651: Add support for jack-detect using an external GPIO 

Some board designs hook the jack-detect up to an external GPIO, rather
then to one of the codec pins, add support for this.

Acked-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Hans de Goede 2018-12-30 00:00:24 +01:00 committed by Mark Brown
parent 7eb187313e
commit 90768eaf06
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 36 additions and 7 deletions
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43
sound/soc/intel/boards/bytcr_rt5651.c
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@ -91,6 +91,7 @@ enum {
struct byt_rt5651_private {
struct clk *mclk;
struct gpio_desc *ext_amp_gpio;
struct gpio_desc *hp_detect;
struct snd_soc_jack jack;
};
@ -499,6 +500,7 @@ static int byt_rt5651_init(struct snd_soc_pcm_runtime *runtime)
struct byt_rt5651_private *priv = snd_soc_card_get_drvdata(card);
const struct snd_soc_dapm_route *custom_map;
int num_routes;
int report;
int ret;
card->dapm.idle_bias_off = true;
@ -582,20 +584,27 @@ static int byt_rt5651_init(struct snd_soc_pcm_runtime *runtime)
dev_err(card->dev, "unable to set MCLK rate\n");
}
if (BYT_RT5651_JDSRC(byt_rt5651_quirk)) {
report = 0;
if (BYT_RT5651_JDSRC(byt_rt5651_quirk))
report = SND_JACK_HEADSET | SND_JACK_BTN_0;
else if (priv->hp_detect)
report = SND_JACK_HEADSET;
if (report) {
ret = snd_soc_card_jack_new(runtime->card, "Headset",
SND_JACK_HEADSET | SND_JACK_BTN_0,
&priv->jack, bytcr_jack_pins,
report, &priv->jack, bytcr_jack_pins,
ARRAY_SIZE(bytcr_jack_pins));
if (ret) {
dev_err(runtime->dev, "jack creation failed %d\n", ret);
return ret;
}
snd_jack_set_key(priv->jack.jack, SND_JACK_BTN_0,
KEY_PLAYPAUSE);
if (report & SND_JACK_BTN_0)
snd_jack_set_key(priv->jack.jack, SND_JACK_BTN_0,
KEY_PLAYPAUSE);
ret = snd_soc_component_set_jack(codec, &priv->jack, NULL);
ret = snd_soc_component_set_jack(codec, &priv->jack,
priv->hp_detect);
if (ret)
return ret;
}
@ -767,7 +776,8 @@ static int byt_rt5651_resume(struct snd_soc_card *card)
for_each_card_components(card, component) {
if (!strcmp(component->name, byt_rt5651_codec_name)) {
dev_dbg(component->dev, "re-enabling jack detect after resume\n");
snd_soc_component_set_jack(component, &priv->jack, NULL);
snd_soc_component_set_jack(component, &priv->jack,
priv->hp_detect);
break;
}
}
@ -1012,6 +1022,25 @@ static int snd_byt_rt5651_mc_probe(struct platform_device *pdev)
return ret_val;
}
}
priv->hp_detect = devm_fwnode_get_index_gpiod_from_child(
&pdev->dev, "hp-detect", 0,
codec_dev->fwnode,
GPIOD_IN, "hp-detect");
if (IS_ERR(priv->hp_detect)) {
ret_val = PTR_ERR(priv->hp_detect);
switch (ret_val) {
case -ENOENT:
priv->hp_detect = NULL;
break;
default:
dev_err(&pdev->dev, "Failed to get hp-detect GPIO: %d\n",
ret_val);
/* fall through */
case -EPROBE_DEFER:
put_device(codec_dev);
return ret_val;
}
}
}
put_device(codec_dev);