ALSA: Au88x0 - Reduce the number of playback subdevices of au8830 from 32 to 16

- The maximum number of playback streams depend on the number of sample
  rate conveters (16) and the number of DMA channels (32).

Signed-off-by: Raymond Yau <superquad.vortex2@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

2 files changed, 3 insertions, 1 deletions

diff --git a/sound/pci/au88x0/au88x0.c b/sound/pci/au88x0/au88x0.c
index b8bc11556ed0..f13ad536b2d5 100644
--- a/sound/pci/au88x0/au88x0.c
+++ b/sound/pci/au88x0/au88x0.c
@@ -274,7 +274,8 @@ snd_vortex_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
                 return err;
         }
         // ADB pcm.
-        if ((err = snd_vortex_new_pcm(chip, VORTEX_PCM_ADB, NR_ADB)) < 0) {
+        err = snd_vortex_new_pcm(chip, VORTEX_PCM_ADB, NR_PCM);
+        if (err < 0) {
                 snd_card_free(card);
                 return err;
         }
diff --git a/sound/pci/au88x0/au88x0.h b/sound/pci/au88x0/au88x0.h
index 02f6e08f7592..bb938153a964 100644
--- a/sound/pci/au88x0/au88x0.h
+++ b/sound/pci/au88x0/au88x0.h
@@ -105,6 +105,7 @@
 #define MIX_SPDIF(x) (vortex->mixspdif[x])
 
 #define NR_WTPB 0x20            /* WT channels per each bank. */
+#define NR_PCM  0x10
 
 /* Structs */
 typedef struct {