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authorArnd Bergmann <arnd@arndb.de>2012-01-04 00:27:45 +0400
committerArnd Bergmann <arnd@arndb.de>2012-01-04 00:27:45 +0400
commit5d3cb0ffdd0c8987dc17a2ef4529b246198ceb72 (patch)
treec60bdca0529cbd44d32b3918b78d14e182ef57cd /sound/soc/soc-utils.c
parent3b0d597139efddfd8960b44249b4a4c977d172f1 (diff)
parent5f0a6e2d503896062f641639dacfe5055c2f593b (diff)
downloadlinux-5d3cb0ffdd0c8987dc17a2ef4529b246198ceb72.tar.xz
Merge branch 'v3.2-rc7' into next/pm
Conflicts: arch/arm/kernel/setup.c arch/arm/mach-shmobile/board-kota2.c
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)
{