From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Thu, 27 Apr 2017 19:02:28 +0300
Subject: ALSA: x86: Prepare LPE audio ctls for multiple PCMs
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Git-commit: bb4ac5a0ecaeeef0229c69f6c935be2ee70abfec
Patch-mainline: v4.13-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
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>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
sound/x86/intel_hdmi_audio.c | 23 +++++++++++++++++++----
1 file changed, 19 insertions(+), 4 deletions(-)
--- a/sound/x86/intel_hdmi_audio.c
+++ b/sound/x86/intel_hdmi_audio.c
@@ -1609,11 +1609,16 @@ static void had_audio_wq(struct work_str
/*
* 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 p
/* 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 p
if (ret < 0)
goto err;
- ret = had_create_jack(ctx);
+ ret = had_create_jack(ctx, pcm);
if (ret < 0)
goto err;