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>
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_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 @@
.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 @@
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