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| author | Takashi Iwai <tiwai@suse.de> | 2019-12-09 10:48:37 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2019-12-11 07:24:57 +0100 |
| commit | ef1545b8f35e230e7e7aae7d01647d151fd8e87a (patch) | |
| tree | 1896666c26cd20d59f8d1a2ee58a1895de1e1c80 | |
| parent | 39729889b1f58ae42036383fc51abd067eeb4af9 (diff) | |
| download | linux-ef1545b8f35e230e7e7aae7d01647d151fd8e87a.tar.bz2 | |
ALSA: dummy: Use managed buffer allocation
Clean up the driver with the new managed buffer allocation API.
The hw_free callback became superfluous and got dropped.
Link: https://lore.kernel.org/r/20191209094943.14984-6-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
| -rw-r--r-- | sound/drivers/dummy.c | 14 |
1 files changed, 2 insertions, 12 deletions
diff --git a/sound/drivers/dummy.c b/sound/drivers/dummy.c index 022a0db692e0..ab6062dcd1b3 100644 --- a/sound/drivers/dummy.c +++ b/sound/drivers/dummy.c @@ -529,15 +529,7 @@ static int dummy_pcm_hw_params(struct snd_pcm_substream *substream, substream->runtime->dma_bytes = params_buffer_bytes(hw_params); return 0; } - return snd_pcm_lib_malloc_pages(substream, - params_buffer_bytes(hw_params)); -} - -static int dummy_pcm_hw_free(struct snd_pcm_substream *substream) -{ - if (fake_buffer) - return 0; - return snd_pcm_lib_free_pages(substream); + return 0; } static int dummy_pcm_open(struct snd_pcm_substream *substream) @@ -657,7 +649,6 @@ static struct snd_pcm_ops dummy_pcm_ops = { .close = dummy_pcm_close, .ioctl = snd_pcm_lib_ioctl, .hw_params = dummy_pcm_hw_params, - .hw_free = dummy_pcm_hw_free, .prepare = dummy_pcm_prepare, .trigger = dummy_pcm_trigger, .pointer = dummy_pcm_pointer, @@ -668,7 +659,6 @@ static struct snd_pcm_ops dummy_pcm_ops_no_buf = { .close = dummy_pcm_close, .ioctl = snd_pcm_lib_ioctl, .hw_params = dummy_pcm_hw_params, - .hw_free = dummy_pcm_hw_free, .prepare = dummy_pcm_prepare, .trigger = dummy_pcm_trigger, .pointer = dummy_pcm_pointer, @@ -700,7 +690,7 @@ static int snd_card_dummy_pcm(struct snd_dummy *dummy, int device, pcm->info_flags = 0; strcpy(pcm->name, "Dummy PCM"); if (!fake_buffer) { - snd_pcm_lib_preallocate_pages_for_all(pcm, + snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS, NULL, 0, 64*1024); |