@@ -55,6 +55,54 @@ enum {
BXT_DPCM_AUDIO_HDMI3_PB,
};
+static inline struct snd_soc_dai *bxt_get_codec_dai(struct snd_soc_card *card)
+{
+ struct snd_soc_pcm_runtime *rtd;
+
+ list_for_each_entry(rtd, &card->rtd_list, list) {
+
+ if (!strncmp(rtd->codec_dai->name, BXT_DIALOG_CODEC_DAI,
+ strlen(BXT_DIALOG_CODEC_DAI)))
+ return rtd->codec_dai;
+ }
+
+ return NULL;
+}
+
+static int platform_clock_control(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *k, int event)
+{
+ int ret = 0;
+ struct snd_soc_dapm_context *dapm = w->dapm;
+ struct snd_soc_card *card = dapm->card;
+ struct snd_soc_dai *codec_dai;
+
+ codec_dai = bxt_get_codec_dai(card);
+ if (!codec_dai) {
+ dev_err(card->dev, "Codec dai not found; Unable to set/unset codec pll\n");
+ return -EIO;
+ }
+
+ if (SND_SOC_DAPM_EVENT_OFF(event)) {
+ ret = snd_soc_dai_set_pll(codec_dai, 0,
+ DA7219_SYSCLK_MCLK, 0, 0);
+ if (ret)
+ dev_err(card->dev, "failed to stop PLL: %d\n", ret);
+ } else if(SND_SOC_DAPM_EVENT_ON(event)) {
+ ret = snd_soc_dai_set_sysclk(codec_dai,
+ DA7219_CLKSRC_MCLK, 19200000, SND_SOC_CLOCK_IN);
+ if (ret)
+ dev_err(card->dev, "can't set codec sysclk configuration\n");
+
+ ret = snd_soc_dai_set_pll(codec_dai, 0,
+ DA7219_SYSCLK_PLL_SRM, 0, DA7219_PLL_FREQ_OUT_98304);
+ if (ret)
+ dev_err(card->dev, "failed to start PLL: %d\n", ret);
+ }
+
+ return ret;
+}
+
static const struct snd_kcontrol_new broxton_controls[] = {
SOC_DAPM_PIN_SWITCH("Headphone Jack"),
SOC_DAPM_PIN_SWITCH("Headset Mic"),
@@ -69,6 +117,8 @@ static const struct snd_soc_dapm_widget broxton_widgets[] = {
SND_SOC_DAPM_SPK("HDMI1", NULL),
SND_SOC_DAPM_SPK("HDMI2", NULL),
SND_SOC_DAPM_SPK("HDMI3", NULL),
+ SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
+ platform_clock_control, SND_SOC_DAPM_POST_PMD|SND_SOC_DAPM_PRE_PMU),
};
static const struct snd_soc_dapm_route broxton_map[] = {
@@ -109,6 +159,9 @@ static const struct snd_soc_dapm_route broxton_map[] = {
/* DMIC */
{"dmic01_hifi", NULL, "DMIC01 Rx"},
{"DMIC01 Rx", NULL, "DMIC AIF"},
+
+ { "Headphone Jack", NULL, "Platform Clock" },
+ { "Headset Mic", NULL, "Platform Clock" },
};
static int broxton_ssp_fixup(struct snd_soc_pcm_runtime *rtd,
@@ -243,49 +296,6 @@ static const struct snd_soc_ops broxton_da7219_fe_ops = {
.startup = bxt_fe_startup,
};
-static int broxton_da7219_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai *codec_dai = rtd->codec_dai;
- int ret;
-
- ret = snd_soc_dai_set_sysclk(codec_dai,
- DA7219_CLKSRC_MCLK, 19200000, SND_SOC_CLOCK_IN);
- if (ret < 0)
- dev_err(codec_dai->dev, "can't set codec sysclk configuration\n");
-
- ret = snd_soc_dai_set_pll(codec_dai, 0,
- DA7219_SYSCLK_PLL_SRM, 0, DA7219_PLL_FREQ_OUT_98304);
- if (ret < 0) {
- dev_err(codec_dai->dev, "failed to start PLL: %d\n", ret);
- return -EIO;
- }
-
- return ret;
-}
-
-static int broxton_da7219_hw_free(struct snd_pcm_substream *substream)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai *codec_dai = rtd->codec_dai;
- int ret;
-
- ret = snd_soc_dai_set_pll(codec_dai, 0,
- DA7219_SYSCLK_MCLK, 0, 0);
- if (ret < 0) {
- dev_err(codec_dai->dev, "failed to stop PLL: %d\n", ret);
- return -EIO;
- }
-
- return ret;
-}
-
-static const struct snd_soc_ops broxton_da7219_ops = {
- .hw_params = broxton_da7219_hw_params,
- .hw_free = broxton_da7219_hw_free,
-};
-
static int broxton_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
struct snd_pcm_hw_params *params)
{
@@ -467,7 +477,6 @@ static struct snd_soc_dai_link broxton_dais[] = {
SND_SOC_DAIFMT_CBS_CFS,
.ignore_pmdown_time = 1,
.be_hw_params_fixup = broxton_ssp_fixup,
- .ops = &broxton_da7219_ops,
.dpcm_playback = 1,
.dpcm_capture = 1,
},