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ASoC: simple-card: add "invert" property for detect GPIOs 

Since hardware may invert detect GPIO of headphone or mic, add one
property to support software invert.

Signed-off-by: Jianqun <jay.xu@rock-chips.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Jianqun 2014-11-01 11:22:18 +08:00 committed by Mark Brown
parent 1b5721b243
commit 4476159f0b
1 changed files with 11 additions and 4 deletions
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15
sound/soc/generic/simple-card.c
View File

@ -29,7 +29,9 @@ struct simple_card_data {
} *dai_props;
unsigned int mclk_fs;
int gpio_hp_det;
int gpio_hp_det_invert;
int gpio_mic_det;
int gpio_mic_det_invert;
struct snd_soc_dai_link dai_link[]; /* dynamically allocated */
};
@ -148,6 +150,7 @@ static int asoc_simple_card_dai_init(struct snd_soc_pcm_runtime *rtd)
simple_card_hp_jack_pins);
simple_card_hp_jack_gpio.gpio = priv->gpio_hp_det;
simple_card_hp_jack_gpio.invert = priv->gpio_hp_det_invert;
snd_soc_jack_add_gpios(&simple_card_hp_jack, 1,
&simple_card_hp_jack_gpio);
}
@ -159,6 +162,7 @@ static int asoc_simple_card_dai_init(struct snd_soc_pcm_runtime *rtd)
ARRAY_SIZE(simple_card_mic_jack_pins),
simple_card_mic_jack_pins);
simple_card_mic_jack_gpio.gpio = priv->gpio_mic_det;
simple_card_mic_jack_gpio.invert = priv->gpio_mic_det_invert;
snd_soc_jack_add_gpios(&simple_card_mic_jack, 1,
&simple_card_mic_jack_gpio);
}
@ -374,6 +378,7 @@ static int asoc_simple_card_parse_of(struct device_node *node,
struct simple_card_data *priv)
{
struct device *dev = simple_priv_to_dev(priv);
enum of_gpio_flags flags;
u32 val;
int ret;
@ -429,13 +434,15 @@ static int asoc_simple_card_parse_of(struct device_node *node,
return ret;
}
priv->gpio_hp_det = of_get_named_gpio(node,
"simple-audio-card,hp-det-gpio", 0);
priv->gpio_hp_det = of_get_named_gpio_flags(node,
"simple-audio-card,hp-det-gpio", 0, &flags);
priv->gpio_hp_det_invert = !!(flags & OF_GPIO_ACTIVE_LOW);
if (priv->gpio_hp_det == -EPROBE_DEFER)
return -EPROBE_DEFER;
priv->gpio_mic_det = of_get_named_gpio(node,
"simple-audio-card,mic-det-gpio", 0);
priv->gpio_mic_det = of_get_named_gpio_flags(node,
"simple-audio-card,mic-det-gpio", 0, &flags);
priv->gpio_mic_det_invert = !!(flags & OF_GPIO_ACTIVE_LOW);
if (priv->gpio_mic_det == -EPROBE_DEFER)
return -EPROBE_DEFER;