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author | Pekka Enberg <penberg@kernel.org> | 2012-01-11 20:11:29 +0100 |
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committer | Pekka Enberg <penberg@kernel.org> | 2012-01-11 20:11:29 +0100 |
commit | 5878cf431ca7233a56819ca6970153ac0b129599 (patch) | |
tree | e5d21d04a0b468d2dabbe3a3824f23b5537fc6a7 /sound/soc/soc-utils.c | |
parent | slub: disallow changing cpu_partial from userspace for debug caches (diff) | |
parent | slub: add missed accounting (diff) | |
download | linux-5878cf431ca7233a56819ca6970153ac0b129599.tar.xz linux-5878cf431ca7233a56819ca6970153ac0b129599.zip |
Merge branch 'slab/urgent' into slab/for-linus
Diffstat (limited to 'sound/soc/soc-utils.c')
-rw-r--r-- | sound/soc/soc-utils.c | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/sound/soc/soc-utils.c b/sound/soc/soc-utils.c index 0c12b98484bd..4220bb0f2730 100644 --- a/sound/soc/soc-utils.c +++ b/sound/soc/soc-utils.c @@ -58,7 +58,36 @@ int snd_soc_params_to_bclk(struct snd_pcm_hw_params *params) } EXPORT_SYMBOL_GPL(snd_soc_params_to_bclk); -static struct snd_soc_platform_driver dummy_platform; +static const struct snd_pcm_hardware dummy_dma_hardware = { + .formats = 0xffffffff, + .channels_min = 1, + .channels_max = UINT_MAX, + + /* Random values to keep userspace happy when checking constraints */ + .info = SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_BLOCK_TRANSFER, + .buffer_bytes_max = 128*1024, + .period_bytes_min = PAGE_SIZE, + .period_bytes_max = PAGE_SIZE*2, + .periods_min = 2, + .periods_max = 128, +}; + +static int dummy_dma_open(struct snd_pcm_substream *substream) +{ + snd_soc_set_runtime_hwparams(substream, &dummy_dma_hardware); + + return 0; +} + +static struct snd_pcm_ops dummy_dma_ops = { + .open = dummy_dma_open, + .ioctl = snd_pcm_lib_ioctl, +}; + +static struct snd_soc_platform_driver dummy_platform = { + .ops = &dummy_dma_ops, +}; static __devinit int snd_soc_dummy_probe(struct platform_device *pdev) { |