[ALSA] Increase capture buffer sizes.

EMU10K1/EMU10K2 driver


Signed-off-by: James Courtier-Dutton <James@superbug.co.uk>

1 files changed, 6 insertions, 4 deletions

diff --git a/sound/pci/emu10k1/p16v.c b/sound/pci/emu10k1/p16v.c
index 93dff4c6b233..98f980189892 100644
--- a/sound/pci/emu10k1/p16v.c
+++ b/sound/pci/emu10k1/p16v.c
@@ -1,7 +1,7 @@
 /*
  *  Copyright (c) by James Courtier-Dutton <James@superbug.demon.co.uk>
  *  Driver p16v chips
- *  Version: 0.22
+ *  Version: 0.25
  *
  *  FEATURES currently supported:
  *    Output fixed at S32_LE, 2 channel to hw:0,0
@@ -48,6 +48,8 @@
  *    e.g. When HD Capture source is set to SPDIF,
  *    setting HD Capture channel to 0 captures from CDROM digital input.
  *    setting HD Capture channel to 1 captures from SPDIF in.
+ *  0.25
+ *    Include capture buffer sizes.
  *
  *  BUGS:
  *    Some stability problems when unloading the snd-p16v kernel module.
@@ -149,9 +151,9 @@ static snd_pcm_hardware_t snd_p16v_capture_hw = {
         .rate_max =             192000,
         .channels_min =         2,
         .channels_max =         2,
-        .buffer_bytes_max =     (32*1024),
+        .buffer_bytes_max =     (65536 - 64),
         .period_bytes_min =     64,
-        .period_bytes_max =     (16*1024),
+        .period_bytes_max =     (65536 - 128) >> 1,  /* size has to be N*64 bytes */
         .periods_min =          2,
         .periods_max =          2,
         .fifo_size =            0,
@@ -637,7 +639,7 @@ int snd_p16v_pcm(emu10k1_t *emu, int device, snd_pcm_t **rpcm)
                 if ((err = snd_pcm_lib_preallocate_pages(substream, 
                                                    SNDRV_DMA_TYPE_DEV, 
                                                    snd_dma_pci_data(emu->pci), 
-                                                   64*1024, 64*1024)) < 0)
+                                                   65536 - 64, 65536 - 64)) < 0)
                         return err;
                 //snd_printk("preallocate capture substream: err=%d\n", err);
         }