summaryrefslogtreecommitdiffstats
path: root/sound/soc/omap/omap-pcm.c
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2009-06-15 12:02:23 +0200
committerDavid S. Miller <davem@davemloft.net>2009-06-15 12:02:23 +0200
commit9cbc1cb8cd46ce1f7645b9de249b2ce8460129bb (patch)
tree8d104ec2a459346b99413b0b77421ca7b9936c1a /sound/soc/omap/omap-pcm.c
parentpkt_sched: Rename PSCHED_US2NS and PSCHED_NS2US (diff)
parentMerge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/sam/kb... (diff)
downloadlinux-9cbc1cb8cd46ce1f7645b9de249b2ce8460129bb.tar.xz
linux-9cbc1cb8cd46ce1f7645b9de249b2ce8460129bb.zip
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: Documentation/feature-removal-schedule.txt drivers/scsi/fcoe/fcoe.c net/core/drop_monitor.c net/core/net-traces.c
Diffstat (limited to 'sound/soc/omap/omap-pcm.c')
-rw-r--r--sound/soc/omap/omap-pcm.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c
index 07cf7f46b584..6454e15f7d28 100644
--- a/sound/soc/omap/omap-pcm.c
+++ b/sound/soc/omap/omap-pcm.c
@@ -87,8 +87,10 @@ static int omap_pcm_hw_params(struct snd_pcm_substream *substream,
struct omap_pcm_dma_data *dma_data = rtd->dai->cpu_dai->dma_data;
int err = 0;
+ /* return if this is a bufferless transfer e.g.
+ * codec <--> BT codec or GSM modem -- lg FIXME */
if (!dma_data)
- return -ENODEV;
+ return 0;
snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
runtime->dma_bytes = params_buffer_bytes(params);
@@ -134,6 +136,11 @@ static int omap_pcm_prepare(struct snd_pcm_substream *substream)
struct omap_pcm_dma_data *dma_data = prtd->dma_data;
struct omap_dma_channel_params dma_params;
+ /* return if this is a bufferless transfer e.g.
+ * codec <--> BT codec or GSM modem -- lg FIXME */
+ if (!prtd->dma_data)
+ return 0;
+
memset(&dma_params, 0, sizeof(dma_params));
/*
* Note: Regardless of interface data formats supported by OMAP McBSP