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Diffstat (limited to 'sound/soc/generic')
-rw-r--r--sound/soc/generic/simple-card.c66
1 files changed, 52 insertions, 14 deletions
diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c
index fb9240fdc9b7..c49a408fc7a6 100644
--- a/sound/soc/generic/simple-card.c
+++ b/sound/soc/generic/simple-card.c
@@ -39,6 +39,37 @@ struct simple_card_data {
#define simple_priv_to_link(priv, i) ((priv)->snd_card.dai_link + i)
#define simple_priv_to_props(priv, i) ((priv)->dai_props + i)
+static int asoc_simple_card_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card);
+ struct simple_dai_props *dai_props =
+ &priv->dai_props[rtd - rtd->card->rtd];
+ int ret;
+
+ ret = clk_prepare_enable(dai_props->cpu_dai.clk);
+ if (ret)
+ return ret;
+
+ ret = clk_prepare_enable(dai_props->codec_dai.clk);
+ if (ret)
+ clk_disable_unprepare(dai_props->cpu_dai.clk);
+
+ return ret;
+}
+
+static void asoc_simple_card_shutdown(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card);
+ struct simple_dai_props *dai_props =
+ &priv->dai_props[rtd - rtd->card->rtd];
+
+ clk_disable_unprepare(dai_props->cpu_dai.clk);
+
+ clk_disable_unprepare(dai_props->codec_dai.clk);
+}
+
static int asoc_simple_card_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
@@ -58,6 +89,8 @@ static int asoc_simple_card_hw_params(struct snd_pcm_substream *substream,
}
static struct snd_soc_ops asoc_simple_card_ops = {
+ .startup = asoc_simple_card_startup,
+ .shutdown = asoc_simple_card_shutdown,
.hw_params = asoc_simple_card_hw_params,
};
@@ -143,11 +176,11 @@ static int asoc_simple_card_dai_init(struct snd_soc_pcm_runtime *rtd)
return ret;
if (gpio_is_valid(priv->gpio_hp_det)) {
- snd_soc_jack_new(codec->codec, "Headphones", SND_JACK_HEADPHONE,
- &simple_card_hp_jack);
- snd_soc_jack_add_pins(&simple_card_hp_jack,
- ARRAY_SIZE(simple_card_hp_jack_pins),
- simple_card_hp_jack_pins);
+ 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;
@@ -156,11 +189,11 @@ static int asoc_simple_card_dai_init(struct snd_soc_pcm_runtime *rtd)
}
if (gpio_is_valid(priv->gpio_mic_det)) {
- snd_soc_jack_new(codec->codec, "Mic Jack", SND_JACK_MICROPHONE,
- &simple_card_mic_jack);
- snd_soc_jack_add_pins(&simple_card_mic_jack,
- ARRAY_SIZE(simple_card_mic_jack_pins),
- simple_card_mic_jack_pins);
+ 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,
@@ -219,6 +252,7 @@ asoc_simple_card_sub_parse_of(struct device_node *np,
}
dai->sysclk = clk_get_rate(clk);
+ dai->clk = clk;
} else if (!of_property_read_u32(np, "system-clock-frequency", &val)) {
dai->sysclk = val;
} else {
@@ -338,6 +372,11 @@ static int asoc_simple_card_dai_link_of(struct device_node *node,
strlen(dai_link->cpu_dai_name) +
strlen(dai_link->codec_dai_name) + 2,
GFP_KERNEL);
+ if (!name) {
+ ret = -ENOMEM;
+ goto dai_link_of_err;
+ }
+
sprintf(name, "%s-%s", dai_link->cpu_dai_name,
dai_link->codec_dai_name);
dai_link->name = dai_link->stream_name = name;
@@ -452,9 +491,8 @@ static int asoc_simple_card_parse_of(struct device_node *node,
}
/* Decrease the reference count of the device nodes */
-static int asoc_simple_card_unref(struct platform_device *pdev)
+static int asoc_simple_card_unref(struct snd_soc_card *card)
{
- struct snd_soc_card *card = platform_get_drvdata(pdev);
struct snd_soc_dai_link *dai_link;
int num_links;
@@ -556,7 +594,7 @@ static int asoc_simple_card_probe(struct platform_device *pdev)
return ret;
err:
- asoc_simple_card_unref(pdev);
+ asoc_simple_card_unref(&priv->snd_card);
return ret;
}
@@ -572,7 +610,7 @@ static int asoc_simple_card_remove(struct platform_device *pdev)
snd_soc_jack_free_gpios(&simple_card_mic_jack, 1,
&simple_card_mic_jack_gpio);
- return asoc_simple_card_unref(pdev);
+ return asoc_simple_card_unref(card);
}
static const struct of_device_id asoc_simple_of_match[] = {