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ASoC: Intel: bxt: add channel map support in bxt_da7219_max98357a machine

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HDMI registers channel map controls per PCM. As PCMs are not
registered during dai_link init callback, store the pcm ids and
codec DAIs during this init callback.

Register for late probe and call the jack_init API which also
registers channel map in the late probe callback handler.

Signed-off-by: Jeeja KP <jeeja.kp@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Jeeja KP 2017-01-24 21:49:07 +05:30 committed by Mark Brown
parent 6d707a74a7
commit ba21034677
1 changed files with 48 additions and 1 deletions
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49
sound/soc/intel/boards/bxt_da7219_max98357a.c
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@ -34,6 +34,16 @@
static struct snd_soc_jack broxton_headset;
struct bxt_hdmi_pcm {
struct list_head head;
struct snd_soc_dai *codec_dai;
int device;
};
struct bxt_card_private {
struct list_head hdmi_pcm_list;
};
enum {
BXT_DPCM_AUDIO_PB = 0,
BXT_DPCM_AUDIO_CP,
@ -147,9 +157,20 @@ static int broxton_da7219_codec_init(struct snd_soc_pcm_runtime *rtd)
static int broxton_hdmi_init(struct snd_soc_pcm_runtime *rtd)
{
struct bxt_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
struct snd_soc_dai *dai = rtd->codec_dai;
struct bxt_hdmi_pcm *pcm;
return hdac_hdmi_jack_init(dai, BXT_DPCM_AUDIO_HDMI1_PB + dai->id);
pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
if (!pcm)
return -ENOMEM;
pcm->device = BXT_DPCM_AUDIO_HDMI1_PB + dai->id;
pcm->codec_dai = dai;
list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
return 0;
}
static int broxton_da7219_fe_init(struct snd_soc_pcm_runtime *rtd)
@ -496,6 +517,21 @@ static struct snd_soc_dai_link broxton_dais[] = {
},
};
static int bxt_card_late_probe(struct snd_soc_card *card)
{
struct bxt_card_private *ctx = snd_soc_card_get_drvdata(card);
struct bxt_hdmi_pcm *pcm;
int err;
list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device);
if (err < 0)
return err;
}
return 0;
}
/* broxton audio machine driver for SPT + da7219 */
static struct snd_soc_card broxton_audio_card = {
.name = "bxtda7219max",
@ -509,11 +545,22 @@ static struct snd_soc_card broxton_audio_card = {
.dapm_routes = broxton_map,
.num_dapm_routes = ARRAY_SIZE(broxton_map),
.fully_routed = true,
.late_probe = bxt_card_late_probe,
};
static int broxton_audio_probe(struct platform_device *pdev)
{
struct bxt_card_private *ctx;
ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_ATOMIC);
if (!ctx)
return -ENOMEM;
INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
broxton_audio_card.dev = &pdev->dev;
snd_soc_card_set_drvdata(&broxton_audio_card, ctx);
return devm_snd_soc_register_card(&pdev->dev, &broxton_audio_card);
}