This is useful to create dummy codec devices where we need to have some DAI links without a real Codec. e.g. could be used to represent dumb FM, MODEM, etc

This is also used by dynamic PCM for DAI links that have no codec.

Signed-off-by: Liam Girdwood lrg@ti.com --- sound/soc/soc-utils.c | 20 +++++++++++++++++++- 1 files changed, 19 insertions(+), 1 deletions(-)

diff --git a/sound/soc/soc-utils.c b/sound/soc/soc-utils.c index 4220bb0..329122d 100644 --- a/sound/soc/soc-utils.c +++ b/sound/soc/soc-utils.c @@ -89,14 +89,32 @@ static struct snd_soc_platform_driver dummy_platform = { .ops = &dummy_dma_ops, };

+static struct snd_soc_codec_driver dummy_codec; +static struct snd_soc_dai_driver dummy_dai = { + .name = "snd-soc-dummy-dai", +}; + static __devinit int snd_soc_dummy_probe(struct platform_device *pdev) { - return snd_soc_register_platform(&pdev->dev, &dummy_platform); + int ret; + + ret = snd_soc_register_codec(&pdev->dev, &dummy_codec, &dummy_dai, 1); + if (ret < 0) + return ret; + + ret = snd_soc_register_platform(&pdev->dev, &dummy_platform); + if (ret < 0) { + snd_soc_unregister_codec(&pdev->dev); + return ret; + } + + return ret; }

static __devexit int snd_soc_dummy_remove(struct platform_device *pdev) { snd_soc_unregister_platform(&pdev->dev); + snd_soc_unregister_codec(&pdev->dev);

return 0; }