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authorOlof Johansson <olof@lixom.net>2011-12-22 09:22:58 -0800
committerOlof Johansson <olof@lixom.net>2011-12-22 09:22:58 -0800
commit53bf82ce766b17436a6e9c672f9fa29702f3731e (patch)
tree50547bbc8d5c9f9156f1220b712a99e48dbaf43f /sound/soc/soc-utils.c
parent5e8d3183bb605a937fc89b857691f75682aa099e (diff)
parent4a4de1d9b47156525ceb46c7faf6ae4042d90aa7 (diff)
Merge branch 'omap/fixes-hwmod' into next/fixes-non-critical
* omap/fixes-hwmod: (359 commits) ARM: OMAP: hwmod data: fix the panic on Nokia RM-680 during boot ARM: OMAP: hwmod data: fix iva and mailbox hwmods for OMAP 3 ARM: OMAP: rx51: fix USB ARM: OMAP: mcbsp: Fix possible memory corruption ...
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)
{