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ASoC: skl_rt286: Fix to support hdmi channel map support 

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.

The patch following the machine driver changes adds the channel
map control in the hdac_hdmi codec driver.

Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Subhransu S. Prusty 2016-04-14 10:07:31 +05:30 committed by Mark Brown
parent bcced70478
commit 1a10612fc3
1 changed files with 47 additions and 1 deletions
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48
sound/soc/intel/boards/skl_rt286.c
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@ -30,6 +30,16 @@
static struct snd_soc_jack skylake_headset;
struct skl_hdmi_pcm {
struct list_head head;
struct snd_soc_dai *codec_dai;
int device;
};
struct skl_rt286_private {
struct list_head hdmi_pcm_list;
};
enum {
SKL_DPCM_AUDIO_PB = 0,
SKL_DPCM_AUDIO_CP,
@ -142,9 +152,20 @@ static int skylake_rt286_codec_init(struct snd_soc_pcm_runtime *rtd)
static int skylake_hdmi_init(struct snd_soc_pcm_runtime *rtd)
{
struct skl_rt286_private *ctx = snd_soc_card_get_drvdata(rtd->card);
struct snd_soc_dai *dai = rtd->codec_dai;
struct skl_hdmi_pcm *pcm;
return hdac_hdmi_jack_init(dai, SKL_DPCM_AUDIO_HDMI1_PB + dai->id);
pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
if (!pcm)
return -ENOMEM;
pcm->device = SKL_DPCM_AUDIO_HDMI1_PB + dai->id;
pcm->codec_dai = dai;
list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
return 0;
}
static unsigned int rates[] = {
@ -438,6 +459,21 @@ static struct snd_soc_dai_link skylake_rt286_dais[] = {
},
};
static int skylake_card_late_probe(struct snd_soc_card *card)
{
struct skl_rt286_private *ctx = snd_soc_card_get_drvdata(card);
struct skl_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;
}
/* skylake audio machine driver for SPT + RT286S */
static struct snd_soc_card skylake_rt286 = {
.name = "skylake-rt286",
@ -451,11 +487,21 @@ static struct snd_soc_card skylake_rt286 = {
.dapm_routes = skylake_rt286_map,
.num_dapm_routes = ARRAY_SIZE(skylake_rt286_map),
.fully_routed = true,
.late_probe = skylake_card_late_probe,
};
static int skylake_audio_probe(struct platform_device *pdev)
{
struct skl_rt286_private *ctx;
ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_ATOMIC);
if (!ctx)
return -ENOMEM;
INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
skylake_rt286.dev = &pdev->dev;
snd_soc_card_set_drvdata(&skylake_rt286, ctx);
return devm_snd_soc_register_card(&pdev->dev, &skylake_rt286);
}