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authorJames Courtier-Dutton <James@superbug.co.uk>2005-05-07 16:13:40 +0200
committerJaroslav Kysela <perex@suse.cz>2005-05-29 10:06:19 +0200
commit22bc30c84b4dc092deb2b14deb0603b257818e63 (patch)
treeb4994742393cab13ee8af623ccacacc2e078832a /sound/pci/emu10k1/p16v.c
parentf927c8fc648420ad8edd7e4699b4ba510c2e9c6b (diff)
downloadlinux-linaro-stable-22bc30c84b4dc092deb2b14deb0603b257818e63.tar.gz
[ALSA] Increase capture buffer sizes.
EMU10K1/EMU10K2 driver Signed-off-by: James Courtier-Dutton <James@superbug.co.uk>
Diffstat (limited to 'sound/pci/emu10k1/p16v.c')
-rw-r--r--sound/pci/emu10k1/p16v.c10
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);
}