diff options
Diffstat (limited to 'sound/soc/codecs/hdmi-codec.c')
| -rw-r--r-- | sound/soc/codecs/hdmi-codec.c | 47 |
1 files changed, 24 insertions, 23 deletions
diff --git a/sound/soc/codecs/hdmi-codec.c b/sound/soc/codecs/hdmi-codec.c index 22ed0dc88f0a..3abf82563408 100644 --- a/sound/soc/codecs/hdmi-codec.c +++ b/sound/soc/codecs/hdmi-codec.c @@ -67,14 +67,14 @@ struct hdmi_codec_cea_spk_alloc { }; /* Channel maps stereo HDMI */ -const struct snd_pcm_chmap_elem hdmi_codec_stereo_chmaps[] = { +static const struct snd_pcm_chmap_elem hdmi_codec_stereo_chmaps[] = { { .channels = 2, .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR } }, { } }; /* Channel maps for multi-channel playbacks, up to 8 n_ch */ -const struct snd_pcm_chmap_elem hdmi_codec_8ch_chmaps[] = { +static const struct snd_pcm_chmap_elem hdmi_codec_8ch_chmaps[] = { { .channels = 2, /* CA_ID 0x00 */ .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR } }, { .channels = 4, /* CA_ID 0x01 */ @@ -326,7 +326,7 @@ static int hdmi_eld_ctl_get(struct snd_kcontrol *kcontrol, static unsigned long hdmi_codec_spk_mask_from_alloc(int spk_alloc) { int i; - const unsigned long hdmi_codec_eld_spk_alloc_bits[] = { + static const unsigned long hdmi_codec_eld_spk_alloc_bits[] = { [0] = FL | FR, [1] = LFE, [2] = FC, [3] = RL | RR, [4] = RC, [5] = FLC | FRC, [6] = RLC | RRC, }; @@ -340,7 +340,7 @@ static unsigned long hdmi_codec_spk_mask_from_alloc(int spk_alloc) return spk_mask; } -void hdmi_codec_eld_chmap(struct hdmi_codec_priv *hcp) +static void hdmi_codec_eld_chmap(struct hdmi_codec_priv *hcp) { u8 spk_alloc; unsigned long spk_mask; @@ -399,18 +399,6 @@ static int hdmi_codec_chmap_ctl_get(struct snd_kcontrol *kcontrol, return 0; } - -static const struct snd_kcontrol_new hdmi_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_new_stream(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { @@ -668,6 +656,16 @@ static int hdmi_codec_pcm_new(struct snd_soc_pcm_runtime *rtd, { 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, + }; int ret; dev_dbg(dai->dev, "%s()\n", __func__); @@ -686,14 +684,19 @@ 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; - return 0; + /* 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; + + return snd_ctl_add(rtd->card->snd_card, kctl); } -static struct snd_soc_dai_driver hdmi_i2s_dai = { +static const struct snd_soc_dai_driver hdmi_i2s_dai = { .name = "i2s-hifi", .id = DAI_ID_I2S, .playback = { - .stream_name = "Playback", + .stream_name = "I2S Playback", .channels_min = 2, .channels_max = 8, .rates = HDMI_RATES, @@ -708,7 +711,7 @@ static const struct snd_soc_dai_driver hdmi_spdif_dai = { .name = "spdif-hifi", .id = DAI_ID_SPDIF, .playback = { - .stream_name = "Playback", + .stream_name = "SPDIF Playback", .channels_min = 2, .channels_max = 2, .rates = HDMI_RATES, @@ -730,10 +733,8 @@ static int hdmi_of_xlate_dai_id(struct snd_soc_component *component, return ret; } -static struct snd_soc_codec_driver hdmi_codec = { +static const struct snd_soc_codec_driver hdmi_codec = { .component_driver = { - .controls = hdmi_controls, - .num_controls = ARRAY_SIZE(hdmi_controls), .dapm_widgets = hdmi_widgets, .num_dapm_widgets = ARRAY_SIZE(hdmi_widgets), .dapm_routes = hdmi_routes, |