Merge remote-tracking branches 'asoc/topic/jack', 'asoc/topic/max98357a', 'asoc/topic...
[cascardo/linux.git] / sound / soc / generic / simple-card.c
index fb9240f..c49a408 100644 (file)
@@ -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[] = {