The recent change (*) in the ALSA memalloc core allows us to drop the
special vmalloc-specific allocation and page handling. This patch
coverts to the common code.
(*) df3fd6509421: ALSA: memalloc: Add vmalloc buffer allocation
support
6ef6be988f98: ALSA: pcm: Handle special page mapping in the
default mmap handler
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
---
sound/usb/6fire/pcm.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/sound/usb/6fire/pcm.c b/sound/usb/6fire/pcm.c
index 4ded944e5d5d..cdc5dd7fbe16 100644
--- a/sound/usb/6fire/pcm.c
+++ b/sound/usb/6fire/pcm.c
@@ -449,13 +449,13 @@ 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_alloc_vmalloc_buffer(alsa_sub,
- params_buffer_bytes(hw_params));
+ return snd_pcm_lib_malloc_pages(alsa_sub,
+ params_buffer_bytes(hw_params));
}
static int usb6fire_pcm_hw_free(struct snd_pcm_substream *alsa_sub)
{
- return snd_pcm_lib_free_vmalloc_buffer(alsa_sub);
+ return snd_pcm_lib_free_pages(alsa_sub);
}
static int usb6fire_pcm_prepare(struct snd_pcm_substream *alsa_sub)
@@ -560,7 +560,6 @@ static const 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,
};
static void usb6fire_pcm_init_urb(struct pcm_urb *urb,
@@ -659,6 +658,8 @@ int usb6fire_pcm_init(struct sfire_chip *chip)
strcpy(pcm->name, "DMX 6Fire USB");
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &pcm_ops);
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &pcm_ops);
+ snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_VMALLOC,
+ NULL, 0, 0);
rt->instance = pcm;
--
2.16.4
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