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ASoC: simple-card: Add snd_card's name parsing from DT node support 

If the DT is used and the CPU DAI device has only one DAI, the card
name will be like :

ALSA device list:
0: 40031000.sai-sgtl5000

And this name maybe a little ugly to some customers, so here the
card name parsing from DT node is supported.

Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
hifive-unleashed-5.1
Xiubo Li 2014-01-24 15:43:02 +08:00 committed by Mark Brown
parent 30d0341e7d
commit 2772555b6c
1 changed files with 5 additions and 1 deletions
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6
sound/soc/generic/simple-card.c
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@ -143,6 +143,9 @@ static int asoc_simple_card_parse_of(struct device_node *node,
char *name;
int ret;
/* parsing the card name from DT */
snd_soc_of_parse_card_name(&priv->snd_card, "simple-audio-card,name");
/* get CPU/CODEC common format via simple-audio-card,format */
priv->daifmt = snd_soc_of_parse_daifmt(node, "simple-audio-card,") &
(SND_SOC_DAIFMT_FORMAT_MASK | SND_SOC_DAIFMT_INV_MASK);
@ -187,7 +190,8 @@ static int asoc_simple_card_parse_of(struct device_node *node,
GFP_KERNEL);
sprintf(name, "%s-%s", dai_link->cpu_dai_name,
dai_link->codec_dai_name);
priv->snd_card.name = name;
if (!priv->snd_card.name)
priv->snd_card.name = name;
dai_link->name = dai_link->stream_name = name;
/* simple-card assumes platform == cpu */