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authorSteve French <sfrench@us.ibm.com>2011-12-16 00:39:20 -0600
committerSteve French <sfrench@us.ibm.com>2011-12-16 00:39:20 -0600
commitaaf015890754d58dcb71a4aa44ed246bb082bcf6 (patch)
tree17b51ff707fd1b3efec3a3ab872f0d7a7416aca5 /sound/soc/soc-utils.c
parent9c32c63bb70b2fafc3b18bee29959c3bf245ceba (diff)
parent8def5f51b012efb00e77ba2d04696cc0aadd0609 (diff)
Merge branch 'master' of git+ssh://git.samba.org/data/git/sfrench/cifs-2.6
Diffstat (limited to 'sound/soc/soc-utils.c')
-rw-r--r--sound/soc/soc-utils.c31
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)
{