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ASoC: Intel: bxt: add channel map support in rt298 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 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 21:49:06 +05:30 committed by Mark Brown
parent ab1eea19d0
commit 51e0f3c825
1 changed files with 50 additions and 2 deletions
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52
sound/soc/intel/boards/bxt_rt298.c
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@ -26,8 +26,18 @@
#include "../../codecs/hdac_hdmi.h"
#include "../../codecs/rt298.h"
static struct snd_soc_jack broxton_headset;
/* Headset jack detection DAPM pins */
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_rt286_private {
struct list_head hdmi_pcm_list;
};
enum {
BXT_DPCM_AUDIO_PB = 0,
@ -139,9 +149,20 @@ static int broxton_rt298_codec_init(struct snd_soc_pcm_runtime *rtd)
static int broxton_hdmi_init(struct snd_soc_pcm_runtime *rtd)
{
struct bxt_rt286_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_ssp5_fixup(struct snd_soc_pcm_runtime *rtd,
@ -432,6 +453,22 @@ static struct snd_soc_dai_link broxton_rt298_dais[] = {
},
};
static int bxt_card_late_probe(struct snd_soc_card *card)
{
struct bxt_rt286_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 + RT298S */
static struct snd_soc_card broxton_rt298 = {
.name = "broxton-rt298",
@ -445,11 +482,22 @@ static struct snd_soc_card broxton_rt298 = {
.dapm_routes = broxton_rt298_map,
.num_dapm_routes = ARRAY_SIZE(broxton_rt298_map),
.fully_routed = true,
.late_probe = bxt_card_late_probe,
};
static int broxton_audio_probe(struct platform_device *pdev)
{
struct bxt_rt286_private *ctx;
ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_ATOMIC);
if (!ctx)
return -ENOMEM;
INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
broxton_rt298.dev = &pdev->dev;
snd_soc_card_set_drvdata(&broxton_rt298, ctx);
return devm_snd_soc_register_card(&pdev->dev, &broxton_rt298);
}