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authorAntonio Ospite <ao2@amarulasolutions.com>2013-06-21 13:11:50 +0200
committerTakashi Iwai <tiwai@suse.de>2013-06-21 14:36:41 +0200
commit4a9f9118619b20a7c10327667d6595b6bfa4beb1 (patch)
tree8cd0be065b86ad2bfe1db071b545cc7bee728f62 /sound/usb
parentfc76f8637650f422eb67385d5a584bf30befddaa (diff)
downloadop-kernel-dev-4a9f9118619b20a7c10327667d6595b6bfa4beb1.zip
op-kernel-dev-4a9f9118619b20a7c10327667d6595b6bfa4beb1.tar.gz
ALSA: snd-usb-6fire: use vmalloc buffers
For USB devices it's not necessary to allocate physically contiguous buffers. Signed-off-by: Antonio Ospite <ao2@amarulasolutions.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb')
-rw-r--r--sound/usb/6fire/pcm.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/sound/usb/6fire/pcm.c b/sound/usb/6fire/pcm.c
index 40dd50a..c5b9cac 100644
--- a/sound/usb/6fire/pcm.c
+++ b/sound/usb/6fire/pcm.c
@@ -450,13 +450,13 @@ static int usb6fire_pcm_close(struct snd_pcm_substream *alsa_sub)
static int usb6fire_pcm_hw_params(struct snd_pcm_substream *alsa_sub,
struct snd_pcm_hw_params *hw_params)
{
- return snd_pcm_lib_malloc_pages(alsa_sub,
- params_buffer_bytes(hw_params));
+ return snd_pcm_lib_alloc_vmalloc_buffer(alsa_sub,
+ params_buffer_bytes(hw_params));
}
static int usb6fire_pcm_hw_free(struct snd_pcm_substream *alsa_sub)
{
- return snd_pcm_lib_free_pages(alsa_sub);
+ return snd_pcm_lib_free_vmalloc_buffer(alsa_sub);
}
static int usb6fire_pcm_prepare(struct snd_pcm_substream *alsa_sub)
@@ -560,6 +560,8 @@ static struct snd_pcm_ops pcm_ops = {
.prepare = usb6fire_pcm_prepare,
.trigger = usb6fire_pcm_trigger,
.pointer = usb6fire_pcm_pointer,
+ .page = snd_pcm_lib_get_vmalloc_page,
+ .mmap = snd_pcm_lib_mmap_vmalloc,
};
static void usb6fire_pcm_init_urb(struct pcm_urb *urb,
@@ -622,10 +624,6 @@ int usb6fire_pcm_init(struct sfire_chip *chip)
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &pcm_ops);
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &pcm_ops);
- ret = snd_pcm_lib_preallocate_pages_for_all(pcm,
- SNDRV_DMA_TYPE_CONTINUOUS,
- snd_dma_continuous_data(GFP_KERNEL),
- MAX_BUFSIZE, MAX_BUFSIZE);
if (ret) {
kfree(rt);
snd_printk(KERN_ERR PREFIX
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