Parses a simple DAPM route table from device tree.

Signed-off-by: Xiubo Li Li.Xiubo@freescale.com --- Documentation/devicetree/bindings/sound/simple-card.txt | 13 +++++++++++-- sound/soc/generic/simple-card.c | 11 +++++++++-- 2 files changed, 20 insertions(+), 4 deletions(-)

diff --git a/Documentation/devicetree/bindings/sound/simple-card.txt b/Documentation/devicetree/bindings/sound/simple-card.txt index 769a346..2ee80c76 100644 --- a/Documentation/devicetree/bindings/sound/simple-card.txt +++ b/Documentation/devicetree/bindings/sound/simple-card.txt @@ -9,8 +9,13 @@ Required properties: Optional properties:

- simple-audio-card,format : CPU/CODEC common audio format. - "i2s", "right_j", "left_j" , "dsp_a" - "dsp_b", "ac97", "pdm", "msb", "lsb" + "i2s", "right_j", "left_j" , "dsp_a" + "dsp_b", "ac97", "pdm", "msb", "lsb" +- simple-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. + Required subnodes:

- simple-audio-card,cpu : CPU sub-node @@ -38,6 +43,10 @@ Example: sound { compatible = "simple-audio-card"; simple-audio-card,format = "left_j"; + simple-audio-routing = + "MIC_IN", "Mic Jack", + "Headphone Jack", "HP_OUT", + "Ext Spk", "LINE_OUT";

simple-audio-card,cpu { sound-dai = <&sh_fsi2 0>; diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c index 1d87db8..643c9ed 100644 --- a/sound/soc/generic/simple-card.c +++ b/sound/soc/generic/simple-card.c @@ -116,12 +116,18 @@ static int asoc_simple_card_parse_of(struct device_node *node, { struct device_node *np; char *name; - int ret = 0; + int ret;

/* get CPU/CODEC common format via simple-audio-card,format */ info->daifmt = snd_soc_of_parse_daifmt(node, "simple-audio-card,") & (SND_SOC_DAIFMT_FORMAT_MASK | SND_SOC_DAIFMT_INV_MASK);

+ /* DAPM routes */ + ret = snd_soc_of_parse_audio_routing(&info->snd_card, + "simple-audio-routing"); + if (ret) + return ret; + /* CPU sub-node */ ret = -EINVAL; np = of_get_child_by_name(node, "simple-audio-card,cpu"); @@ -185,6 +191,7 @@ static int asoc_simple_card_probe(struct platform_device *pdev) cinfo = devm_kzalloc(dev, sizeof(*cinfo), GFP_KERNEL); if (cinfo) { int ret; + cinfo->snd_card.dev = &pdev->dev; ret = asoc_simple_card_parse_of(np, cinfo, dev, &of_cpu, &of_codec, @@ -196,6 +203,7 @@ static int asoc_simple_card_probe(struct platform_device *pdev) } } } else { + cinfo->snd_card.dev = &pdev->dev; cinfo = pdev->dev.platform_data; }

@@ -235,7 +243,6 @@ static int asoc_simple_card_probe(struct platform_device *pdev) cinfo->snd_card.owner = THIS_MODULE; cinfo->snd_card.dai_link = &cinfo->snd_link; cinfo->snd_card.num_links = 1; - cinfo->snd_card.dev = &pdev->dev;

return devm_snd_soc_register_card(&pdev->dev, &cinfo->snd_card); }