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authorDavid S. Miller <davem@davemloft.net>2012-10-09 13:14:32 -0400
committerDavid S. Miller <davem@davemloft.net>2012-10-09 13:14:32 -0400
commit8dd9117cc7a021ced1c5cf177e2d44dd92b88617 (patch)
treecad990f58f9ec6d400226dda86718fc10781416e /sound/pci/emu10k1/emu10k1x.c
parent16e310ae6ed352c4963b1f2413fcd88fa693eeda (diff)
parent547b1e81afe3119f7daf702cc03b158495535a25 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
Pulled mainline in order to get the UAPI infrastructure already merged before I pull in David Howells's UAPI trees for networking. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'sound/pci/emu10k1/emu10k1x.c')
-rw-r--r--sound/pci/emu10k1/emu10k1x.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/sound/pci/emu10k1/emu10k1x.c b/sound/pci/emu10k1/emu10k1x.c
index 5c8978b2c4d..556fd6f456e 100644
--- a/sound/pci/emu10k1/emu10k1x.c
+++ b/sound/pci/emu10k1/emu10k1x.c
@@ -830,9 +830,22 @@ static irqreturn_t snd_emu10k1x_interrupt(int irq, void *dev_id)
return IRQ_HANDLED;
}
+static const struct snd_pcm_chmap_elem surround_map[] = {
+ { .channels = 2,
+ .map = { SNDRV_CHMAP_RL, SNDRV_CHMAP_RR } },
+ { }
+};
+
+static const struct snd_pcm_chmap_elem clfe_map[] = {
+ { .channels = 2,
+ .map = { SNDRV_CHMAP_FC, SNDRV_CHMAP_LFE } },
+ { }
+};
+
static int __devinit snd_emu10k1x_pcm(struct emu10k1x *emu, int device, struct snd_pcm **rpcm)
{
struct snd_pcm *pcm;
+ const struct snd_pcm_chmap_elem *map = NULL;
int err;
int capture = 0;
@@ -861,12 +874,15 @@ static int __devinit snd_emu10k1x_pcm(struct emu10k1x *emu, int device, struct s
switch(device) {
case 0:
strcpy(pcm->name, "EMU10K1X Front");
+ map = snd_pcm_std_chmaps;
break;
case 1:
strcpy(pcm->name, "EMU10K1X Rear");
+ map = surround_map;
break;
case 2:
strcpy(pcm->name, "EMU10K1X Center/LFE");
+ map = clfe_map;
break;
}
emu->pcm = pcm;
@@ -875,6 +891,11 @@ static int __devinit snd_emu10k1x_pcm(struct emu10k1x *emu, int device, struct s
snd_dma_pci_data(emu->pci),
32*1024, 32*1024);
+ err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, map, 2,
+ 1 << 2, NULL);
+ if (err < 0)
+ return err;
+
if (rpcm)
*rpcm = pcm;