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authorShawn Guo <shawn.guo@linaro.org>2012-03-29 18:13:03 +0200
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-04-01 12:28:31 +0200
commit172b4c5c8afdb7471d9b03fc96a6b6455a49e19d (patch)
tree008a4ea4830412bb6197d3250338eb4a79fcb743
parentASoC: da7210: Add support for spi regmap (diff)
downloadlinux-172b4c5c8afdb7471d9b03fc96a6b6455a49e19d.tar.xz
linux-172b4c5c8afdb7471d9b03fc96a6b6455a49e19d.zip
ASoC: fsl: add audio routing for imx-sgtl5000
Add DAPM widgets and audio routing support for imx-sgtl5000 machine driver. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
-rw-r--r--Documentation/devicetree/bindings/sound/imx-audio-sgtl5000.txt25
-rw-r--r--sound/soc/fsl/imx-sgtl5000.c13
2 files changed, 38 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/imx-audio-sgtl5000.txt b/Documentation/devicetree/bindings/sound/imx-audio-sgtl5000.txt
index 421a374790b3..d09b4e31461c 100644
--- a/Documentation/devicetree/bindings/sound/imx-audio-sgtl5000.txt
+++ b/Documentation/devicetree/bindings/sound/imx-audio-sgtl5000.txt
@@ -5,6 +5,27 @@ Required properties:
- model : The user-visible name of this sound complex
- ssi-controller : The phandle of the i.MX SSI controller
- audio-codec : The phandle of the SGTL5000 audio codec
+- 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 could be power
+ supplies, SGTL5000 pins, and the jacks on the board:
+
+ Power supplies:
+ * Mic Bias
+
+ SGTL5000 pins:
+ * MIC_IN
+ * LINE_IN
+ * HP_OUT
+ * LINE_OUT
+
+ Board connectors:
+ * Mic Jack
+ * Line In Jack
+ * Headphone Jack
+ * Line Out Jack
+ * Ext Spk
+
- mux-int-port : The internal port of the i.MX audio muxer (AUDMUX)
- mux-ext-port : The external port of the i.MX audio muxer
@@ -19,6 +40,10 @@ sound {
model = "imx51-babbage-sgtl5000";
ssi-controller = <&ssi1>;
audio-codec = <&sgtl5000>;
+ audio-routing =
+ "Mic Jack", "Mic Bias",
+ "MIC_IN", "Mic Bias",
+ "Headphone Jack", "HP_OUT";
mux-int-port = <1>;
mux-ext-port = <3>;
};
diff --git a/sound/soc/fsl/imx-sgtl5000.c b/sound/soc/fsl/imx-sgtl5000.c
index 3786b61b4fea..e1a7441ec133 100644
--- a/sound/soc/fsl/imx-sgtl5000.c
+++ b/sound/soc/fsl/imx-sgtl5000.c
@@ -45,6 +45,14 @@ static int imx_sgtl5000_dai_init(struct snd_soc_pcm_runtime *rtd)
return 0;
}
+static const struct snd_soc_dapm_widget imx_sgtl5000_dapm_widgets[] = {
+ SND_SOC_DAPM_MIC("Mic Jack", NULL),
+ SND_SOC_DAPM_LINE("Line In Jack", NULL),
+ SND_SOC_DAPM_HP("Headphone Jack", NULL),
+ SND_SOC_DAPM_SPK("Line Out Jack", NULL),
+ SND_SOC_DAPM_SPK("Ext Spk", NULL),
+};
+
static int __devinit imx_sgtl5000_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
@@ -129,8 +137,13 @@ static int __devinit imx_sgtl5000_probe(struct platform_device *pdev)
ret = snd_soc_of_parse_card_name(&data->card, "model");
if (ret)
return ret;
+ ret = snd_soc_of_parse_audio_routing(&data->card, "audio-routing");
+ if (ret)
+ return ret;
data->card.num_links = 1;
data->card.dai_link = &data->dai;
+ data->card.dapm_widgets = imx_sgtl5000_dapm_widgets;
+ data->card.num_dapm_widgets = ARRAY_SIZE(imx_sgtl5000_dapm_widgets);
ret = snd_soc_register_card(&data->card);
if (ret) {