Clean up the driver with the new managed buffer allocation API. The hw_params callback became superfluous and got dropped.
Signed-off-by: Takashi Iwai tiwai@suse.de --- sound/drivers/aloop.c | 12 ++---------- 1 file changed, 2 insertions(+), 10 deletions(-)
diff --git a/sound/drivers/aloop.c b/sound/drivers/aloop.c index 6bb46423f5ae..104fb738cf48 100644 --- a/sound/drivers/aloop.c +++ b/sound/drivers/aloop.c @@ -905,12 +905,6 @@ static void loopback_runtime_free(struct snd_pcm_runtime *runtime) kfree(dpcm); }
-static int loopback_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params) -{ - return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params)); -} - static int loopback_hw_free(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; @@ -920,7 +914,7 @@ static int loopback_hw_free(struct snd_pcm_substream *substream) mutex_lock(&dpcm->loopback->cable_lock); cable->valid &= ~(1 << substream->stream); mutex_unlock(&dpcm->loopback->cable_lock); - return snd_pcm_lib_free_pages(substream); + return 0; }
static unsigned int get_cable_index(struct snd_pcm_substream *substream) @@ -1306,7 +1300,6 @@ static const struct snd_pcm_ops loopback_pcm_ops = { .open = loopback_open, .close = loopback_close, .ioctl = snd_pcm_lib_ioctl, - .hw_params = loopback_hw_params, .hw_free = loopback_hw_free, .prepare = loopback_prepare, .trigger = loopback_trigger, @@ -1325,8 +1318,7 @@ static int loopback_pcm_new(struct loopback *loopback, return err; snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &loopback_pcm_ops); snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &loopback_pcm_ops); - snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_VMALLOC, - NULL, 0, 0); + snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_VMALLOC, NULL, 0, 0);
pcm->private_data = loopback; pcm->info_flags = 0;