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ALSA: x86: Prepare LPE audio ctls for multiple PCMs

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In preparation for register a PCM device for each pipe adjust
link up the ctl elements with the corresponding PCM device.

Cc: Takashi Iwai <tiwai@suse.de>
Cc: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170427160231.13337-10-ville.syrjala@linux.intel.com
Reviewed-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Ville Syrjälä 2017-04-27 19:02:28 +03:00
parent a8562e4dec
commit bb4ac5a0ec
1 changed files with 19 additions and 4 deletions
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23
sound/x86/intel_hdmi_audio.c
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@ -1609,11 +1609,16 @@ static void had_audio_wq(struct work_struct *work)
/*
* Jack interface
*/
static int had_create_jack(struct snd_intelhad *ctx)
static int had_create_jack(struct snd_intelhad *ctx,
struct snd_pcm *pcm)
{
char hdmi_str[32];
int err;
err = snd_jack_new(ctx->card, "HDMI/DP", SND_JACK_AVOUT, &ctx->jack,
snprintf(hdmi_str, sizeof(hdmi_str),
"HDMI/DP,pcm=%d", pcm->device);
err = snd_jack_new(ctx->card, hdmi_str, SND_JACK_AVOUT, &ctx->jack,
true, false);
if (err < 0)
return err;
@ -1793,7 +1798,17 @@ static int hdmi_lpe_audio_probe(struct platform_device *pdev)
/* create controls */
for (i = 0; i < ARRAY_SIZE(had_controls); i++) {
ret = snd_ctl_add(card, snd_ctl_new1(&had_controls[i], ctx));
struct snd_kcontrol *kctl;
kctl = snd_ctl_new1(&had_controls[i], ctx);
if (!kctl) {
ret = -ENOMEM;
goto err;
}
kctl->id.device = pcm->device;
ret = snd_ctl_add(card, kctl);
if (ret < 0)
goto err;
}
@ -1805,7 +1820,7 @@ static int hdmi_lpe_audio_probe(struct platform_device *pdev)
if (ret < 0)
goto err;
ret = had_create_jack(ctx);
ret = had_create_jack(ctx, pcm);
if (ret < 0)
goto err;