diff options
| -rw-r--r-- | Documentation/devicetree/bindings/sound/sun4i-codec.txt | 33 | ||||
| -rw-r--r-- | sound/soc/sunxi/sun4i-codec.c | 21 |
2 files changed, 52 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/sound/sun4i-codec.txt b/Documentation/devicetree/bindings/sound/sun4i-codec.txt index bf480e9683a3..d91a95377f49 100644 --- a/Documentation/devicetree/bindings/sound/sun4i-codec.txt +++ b/Documentation/devicetree/bindings/sound/sun4i-codec.txt @@ -22,6 +22,31 @@ Optional properties: Required properties for the following compatibles: - "allwinner,sun6i-a31-codec" - resets: phandle to the reset control for this device +- allwinner,audio-routing: A list of the connections between audio components. + Each entry is a pair of strings, the first being the + connection's sink, the second being the connection's + source. Valid names include: + + Audio pins on the SoC: + "HP" + "HPCOM" + "LINEIN" + "LINEOUT" + "MIC1" + "MIC2" + "MIC3" + + Microphone biases from the SoC: + "HBIAS" + "MBIAS" + + Board connectors: + "Headphone" + "Headset Mic" + "Line In" + "Line Out" + "Mic" + "Speaker" Example: codec: codec@01c22c00 { @@ -45,4 +70,12 @@ codec: codec@01c22c00 { resets = <&ccu RST_APB1_CODEC>; dmas = <&dma 15>, <&dma 15>; dma-names = "rx", "tx"; + allwinner,audio-routing = + "Headphone", "HP", + "Speaker", "LINEOUT", + "LINEIN", "Line In", + "MIC1", "MBIAS", + "MIC1", "Mic", + "MIC2", "HBIAS", + "MIC2", "Headset Mic"; }; diff --git a/sound/soc/sunxi/sun4i-codec.c b/sound/soc/sunxi/sun4i-codec.c index f55718fe7c5b..1934db29b2b5 100644 --- a/sound/soc/sunxi/sun4i-codec.c +++ b/sound/soc/sunxi/sun4i-codec.c @@ -1104,9 +1104,19 @@ static struct snd_soc_card *sun4i_codec_create_card(struct device *dev) return card; }; +static const struct snd_soc_dapm_widget sun6i_codec_card_dapm_widgets[] = { + SND_SOC_DAPM_HP("Headphone", NULL), + SND_SOC_DAPM_LINE("Line In", NULL), + SND_SOC_DAPM_LINE("Line Out", NULL), + SND_SOC_DAPM_MIC("Headset Mic", NULL), + SND_SOC_DAPM_MIC("Mic", NULL), + SND_SOC_DAPM_SPK("Speaker", sun4i_codec_spk_event), +}; + static struct snd_soc_card *sun6i_codec_create_card(struct device *dev) { struct snd_soc_card *card; + int ret; card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL); if (!card) @@ -1116,8 +1126,15 @@ static struct snd_soc_card *sun6i_codec_create_card(struct device *dev) if (!card->dai_link) return ERR_PTR(-ENOMEM); - card->dev = dev; - card->name = "A31 Audio Codec"; + card->dev = dev; + card->name = "A31 Audio Codec"; + card->dapm_widgets = sun6i_codec_card_dapm_widgets; + card->num_dapm_widgets = ARRAY_SIZE(sun6i_codec_card_dapm_widgets); + card->fully_routed = true; + + ret = snd_soc_of_parse_audio_routing(card, "allwinner,audio-routing"); + if (ret) + dev_warn(dev, "failed to parse audio-routing: %d\n", ret); return card; }; |