77 lines
2.4 KiB
Diff
77 lines
2.4 KiB
Diff
From 0ddc79efb48c97f0e678807fbe2471f122fd41f6 Mon Sep 17 00:00:00 2001
|
|
From: Maxime Ripard <maxime@cerno.tech>
|
|
Date: Wed, 28 Apr 2021 11:56:26 +0200
|
|
Subject: [PATCH] ASoC: hdmi-codec: Rework to support more controls
|
|
|
|
We're going to add more controls to support the IEC958 output, so let's
|
|
rework the control registration a bit to support more of them.
|
|
|
|
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
|
|
---
|
|
sound/soc/codecs/hdmi-codec.c | 41 ++++++++++++++++++++++-------------
|
|
1 file changed, 26 insertions(+), 15 deletions(-)
|
|
|
|
--- a/sound/soc/codecs/hdmi-codec.c
|
|
+++ b/sound/soc/codecs/hdmi-codec.c
|
|
@@ -619,21 +619,23 @@ static const struct snd_soc_dai_ops hdmi
|
|
SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE |\
|
|
SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE)
|
|
|
|
+struct snd_kcontrol_new hdmi_codec_controls[] = {
|
|
+ {
|
|
+ .access = (SNDRV_CTL_ELEM_ACCESS_READ |
|
|
+ SNDRV_CTL_ELEM_ACCESS_VOLATILE),
|
|
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
|
|
+ .name = "ELD",
|
|
+ .info = hdmi_eld_ctl_info,
|
|
+ .get = hdmi_eld_ctl_get,
|
|
+ },
|
|
+};
|
|
+
|
|
static int hdmi_codec_pcm_new(struct snd_soc_pcm_runtime *rtd,
|
|
struct snd_soc_dai *dai)
|
|
{
|
|
struct snd_soc_dai_driver *drv = dai->driver;
|
|
struct hdmi_codec_priv *hcp = snd_soc_dai_get_drvdata(dai);
|
|
- struct snd_kcontrol *kctl;
|
|
- struct snd_kcontrol_new hdmi_eld_ctl = {
|
|
- .access = SNDRV_CTL_ELEM_ACCESS_READ |
|
|
- SNDRV_CTL_ELEM_ACCESS_VOLATILE,
|
|
- .iface = SNDRV_CTL_ELEM_IFACE_PCM,
|
|
- .name = "ELD",
|
|
- .info = hdmi_eld_ctl_info,
|
|
- .get = hdmi_eld_ctl_get,
|
|
- .device = rtd->pcm->device,
|
|
- };
|
|
+ unsigned int i;
|
|
int ret;
|
|
|
|
ret = snd_pcm_add_chmap_ctls(rtd->pcm, SNDRV_PCM_STREAM_PLAYBACK,
|
|
@@ -650,12 +652,21 @@ static int hdmi_codec_pcm_new(struct snd
|
|
hcp->chmap_info->chmap = hdmi_codec_stereo_chmaps;
|
|
hcp->chmap_idx = HDMI_CODEC_CHMAP_IDX_UNKNOWN;
|
|
|
|
- /* add ELD ctl with the device number corresponding to the PCM stream */
|
|
- kctl = snd_ctl_new1(&hdmi_eld_ctl, dai->component);
|
|
- if (!kctl)
|
|
- return -ENOMEM;
|
|
+ for (i = 0; i < ARRAY_SIZE(hdmi_codec_controls); i++) {
|
|
+ struct snd_kcontrol *kctl;
|
|
+
|
|
+ /* add ELD ctl with the device number corresponding to the PCM stream */
|
|
+ kctl = snd_ctl_new1(&hdmi_codec_controls[i], dai->component);
|
|
+ if (!kctl)
|
|
+ return -ENOMEM;
|
|
+
|
|
+ kctl->id.device = rtd->pcm->device;
|
|
+ ret = snd_ctl_add(rtd->card->snd_card, kctl);
|
|
+ if (ret < 0)
|
|
+ return ret;
|
|
+ }
|
|
|
|
- return snd_ctl_add(rtd->card->snd_card, kctl);
|
|
+ return 0;
|
|
}
|
|
|
|
static int hdmi_dai_probe(struct snd_soc_dai *dai)
|