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 | 43 ++++++++++++++++++++++------------- 1 file changed, 27 insertions(+), 16 deletions(-)
diff --git a/sound/soc/codecs/hdmi-codec.c b/sound/soc/codecs/hdmi-codec.c index 422539f933de..bc0d695d2df0 100644 --- a/sound/soc/codecs/hdmi-codec.c +++ b/sound/soc/codecs/hdmi-codec.c @@ -621,21 +621,23 @@ static const struct snd_soc_dai_ops hdmi_codec_spdif_dai_ops = { SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE |\ SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE)
-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, +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, - .device = rtd->pcm->device, - }; + }, +}; + +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); + unsigned int i; int ret;
ret = snd_pcm_add_chmap_ctls(rtd->pcm, SNDRV_PCM_STREAM_PLAYBACK, @@ -652,12 +654,21 @@ static int hdmi_codec_pcm_new(struct snd_soc_pcm_runtime *rtd, 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;
- return snd_ctl_add(rtd->card->snd_card, 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 0; }
static int hdmi_dai_probe(struct snd_soc_dai *dai)