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ASoC: simple-card: add new asoc_simple_jack and use it
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Current simple-card supports snd_soc_jack/pin/gpio.
These code are very similar, but driver has verbosity code.
So, this patch adds new snd_soc_jack and cleanups code

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Kuninori Morimoto authored and Mark Brown committed Jun 29, 2016
1 parent 548563f commit 9eac361
Showing 1 changed file with 78 additions and 75 deletions.
153 changes: 78 additions & 75 deletions sound/soc/generic/simple-card.c
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,12 @@
#include <sound/soc-dai.h>
#include <sound/soc.h>

struct asoc_simple_jack {
struct snd_soc_jack jack;
struct snd_soc_jack_pin pin;
struct snd_soc_jack_gpio gpio;
};

struct simple_card_data {
struct snd_soc_card snd_card;
struct simple_dai_props {
Expand All @@ -29,10 +35,8 @@ struct simple_card_data {
unsigned int mclk_fs;
} *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 asoc_simple_jack hp_jack;
struct asoc_simple_jack mic_jack;
struct snd_soc_dai_link dai_link[]; /* dynamically allocated */
};

Expand All @@ -42,6 +46,67 @@ struct simple_card_data {

#define PREFIX "simple-audio-card,"

#define asoc_simple_card_init_hp(card, sjack, prefix)\
asoc_simple_card_init_jack(card, sjack, 1, prefix)
#define asoc_simple_card_init_mic(card, sjack, prefix)\
asoc_simple_card_init_jack(card, sjack, 0, prefix)
static int asoc_simple_card_init_jack(struct snd_soc_card *card,
struct asoc_simple_jack *sjack,
int is_hp, char *prefix)
{
struct device *dev = card->dev;
enum of_gpio_flags flags;
char prop[128];
char *pin_name;
char *gpio_name;
int mask;
int det;

sjack->gpio.gpio = -ENOENT;

if (is_hp) {
snprintf(prop, sizeof(prop), "%shp-det-gpio", prefix);
pin_name = "Headphones";
gpio_name = "Headphone detection";
mask = SND_JACK_HEADPHONE;
} else {
snprintf(prop, sizeof(prop), "%smic-det-gpio", prefix);
pin_name = "Mic Jack";
gpio_name = "Mic detection";
mask = SND_JACK_MICROPHONE;
}

det = of_get_named_gpio_flags(dev->of_node, prop, 0, &flags);
if (det == -EPROBE_DEFER)
return -EPROBE_DEFER;

if (gpio_is_valid(det)) {
sjack->pin.pin = pin_name;
sjack->pin.mask = mask;

sjack->gpio.name = gpio_name;
sjack->gpio.report = mask;
sjack->gpio.gpio = det;
sjack->gpio.invert = !!(flags & OF_GPIO_ACTIVE_LOW);
sjack->gpio.debounce_time = 150;

snd_soc_card_jack_new(card, pin_name, mask,
&sjack->jack,
&sjack->pin, 1);

snd_soc_jack_add_gpios(&sjack->jack, 1,
&sjack->gpio);
}

return 0;
}

static void asoc_simple_card_remove_jack(struct asoc_simple_jack *sjack)
{
if (gpio_is_valid(sjack->gpio.gpio))
snd_soc_jack_free_gpios(&sjack->jack, 1, &sjack->gpio);
}

static int asoc_simple_card_startup(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
Expand Down Expand Up @@ -112,32 +177,6 @@ static struct snd_soc_ops asoc_simple_card_ops = {
.hw_params = asoc_simple_card_hw_params,
};

static struct snd_soc_jack simple_card_hp_jack;
static struct snd_soc_jack_pin simple_card_hp_jack_pins[] = {
{
.pin = "Headphones",
.mask = SND_JACK_HEADPHONE,
},
};
static struct snd_soc_jack_gpio simple_card_hp_jack_gpio = {
.name = "Headphone detection",
.report = SND_JACK_HEADPHONE,
.debounce_time = 150,
};

static struct snd_soc_jack simple_card_mic_jack;
static struct snd_soc_jack_pin simple_card_mic_jack_pins[] = {
{
.pin = "Mic Jack",
.mask = SND_JACK_MICROPHONE,
},
};
static struct snd_soc_jack_gpio simple_card_mic_jack_gpio = {
.name = "Mic detection",
.report = SND_JACK_MICROPHONE,
.debounce_time = 150,
};

static int __asoc_simple_card_dai_init(struct snd_soc_dai *dai,
struct asoc_simple_dai *set)
{
Expand Down Expand Up @@ -186,30 +225,14 @@ static int asoc_simple_card_dai_init(struct snd_soc_pcm_runtime *rtd)
if (ret < 0)
return ret;

if (gpio_is_valid(priv->gpio_hp_det)) {
snd_soc_card_jack_new(rtd->card, "Headphones",
SND_JACK_HEADPHONE,
&simple_card_hp_jack,
simple_card_hp_jack_pins,
ARRAY_SIZE(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);
}
ret = asoc_simple_card_init_hp(rtd->card, &priv->hp_jack, PREFIX);
if (ret < 0)
return ret;

ret = asoc_simple_card_init_mic(rtd->card, &priv->hp_jack, PREFIX);
if (ret < 0)
return ret;

if (gpio_is_valid(priv->gpio_mic_det)) {
snd_soc_card_jack_new(rtd->card, "Mic Jack",
SND_JACK_MICROPHONE,
&simple_card_mic_jack,
simple_card_mic_jack_pins,
ARRAY_SIZE(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);
}
return 0;
}

Expand Down Expand Up @@ -447,7 +470,6 @@ 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;

Expand Down Expand Up @@ -503,18 +525,6 @@ static int asoc_simple_card_parse_of(struct device_node *node,
return ret;
}

priv->gpio_hp_det = of_get_named_gpio_flags(node,
PREFIX "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_flags(node,
PREFIX "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;

if (!priv->snd_card.name)
priv->snd_card.name = priv->snd_card.dai_link->name;

Expand Down Expand Up @@ -564,9 +574,6 @@ static int asoc_simple_card_probe(struct platform_device *pdev)
priv->snd_card.dai_link = dai_link;
priv->snd_card.num_links = num_links;

priv->gpio_hp_det = -ENOENT;
priv->gpio_mic_det = -ENOENT;

/* Get room for the other properties */
priv->dai_props = devm_kzalloc(dev,
sizeof(*priv->dai_props) * num_links,
Expand Down Expand Up @@ -633,12 +640,8 @@ static int asoc_simple_card_remove(struct platform_device *pdev)
struct snd_soc_card *card = platform_get_drvdata(pdev);
struct simple_card_data *priv = snd_soc_card_get_drvdata(card);

if (gpio_is_valid(priv->gpio_hp_det))
snd_soc_jack_free_gpios(&simple_card_hp_jack, 1,
&simple_card_hp_jack_gpio);
if (gpio_is_valid(priv->gpio_mic_det))
snd_soc_jack_free_gpios(&simple_card_mic_jack, 1,
&simple_card_mic_jack_gpio);
asoc_simple_card_remove_jack(&priv->hp_jack);
asoc_simple_card_remove_jack(&priv->mic_jack);

return asoc_simple_card_unref(card);
}
Expand Down

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