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| author | Takashi Iwai <tiwai@suse.de> | 2019-12-09 12:49:33 +0300 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2019-12-11 09:25:20 +0300 |
| commit | 50cdf3a0961fd0d0bcb71b85eeccb3a9783bf1b6 (patch) | |
| tree | 45de235799215cb2f611eef20f14296208362c2a /sound/sh/sh_dac_audio.c | |
| parent | 403d026c43763241e0d44086cdce3df4706c9454 (diff) | |
| download | linux-50cdf3a0961fd0d0bcb71b85eeccb3a9783bf1b6.tar.xz | |
ALSA: sh: Use managed buffer allocation
Clean up the driver with the new managed buffer allocation API.
The hw_params and hw_free callbacks became superfluous and got
dropped.
Link: https://lore.kernel.org/r/20191209094943.14984-62-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/sh/sh_dac_audio.c')
| -rw-r--r-- | sound/sh/sh_dac_audio.c | 20 |
1 files changed, 2 insertions, 18 deletions
diff --git a/sound/sh/sh_dac_audio.c b/sound/sh/sh_dac_audio.c index f9e36abc98ac..1406b50f3f78 100644 --- a/sound/sh/sh_dac_audio.c +++ b/sound/sh/sh_dac_audio.c @@ -125,18 +125,6 @@ static int snd_sh_dac_pcm_close(struct snd_pcm_substream *substream) return 0; } -static int snd_sh_dac_pcm_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *hw_params) -{ - return snd_pcm_lib_malloc_pages(substream, - params_buffer_bytes(hw_params)); -} - -static int snd_sh_dac_pcm_hw_free(struct snd_pcm_substream *substream) -{ - return snd_pcm_lib_free_pages(substream); -} - static int snd_sh_dac_pcm_prepare(struct snd_pcm_substream *substream) { struct snd_sh_dac *chip = snd_pcm_substream_chip(substream); @@ -241,8 +229,6 @@ static const struct snd_pcm_ops snd_sh_dac_pcm_ops = { .open = snd_sh_dac_pcm_open, .close = snd_sh_dac_pcm_close, .ioctl = snd_pcm_lib_ioctl, - .hw_params = snd_sh_dac_pcm_hw_params, - .hw_free = snd_sh_dac_pcm_hw_free, .prepare = snd_sh_dac_pcm_prepare, .trigger = snd_sh_dac_pcm_trigger, .pointer = snd_sh_dac_pcm_pointer, @@ -267,10 +253,8 @@ static int snd_sh_dac_pcm(struct snd_sh_dac *chip, int device) snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_sh_dac_pcm_ops); /* buffer size=48K */ - snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS, - NULL, - 48 * 1024, - 48 * 1024); + snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS, + NULL, 48 * 1024, 48 * 1024); return 0; } |