diff options
| author | Takashi Iwai | 2021-08-02 09:28:05 +0200 |
|---|---|---|
| committer | Takashi Iwai | 2021-08-04 08:08:21 +0200 |
| commit | 7f2da3d76b7d5228457d22a2dff0725fbf93d417 (patch) | |
| tree | e22bfc810135ae23c581b960ddb295e5faad8712 /sound/arm/pxa2xx-ac97.c | |
| parent | d5c5055816740bd26f3c0095e7f5e63dfa4bbdf8 (diff) | |
ALSA: pxa2xx: Use managed PCM buffer allocation
Now with the recent addition of WC buffer allocation support, we can
use the standard PCM buffer allocation helpers for pxa2xx drivers.
This allows us to remove lots of superfluous code.
Cc: Daniel Mack <daniel@zonque.org>
Cc: Haojian Zhuang <haojian.zhuang@gmail.com>
Cc: Robert Jarzmik <robert.jarzmik@free.fr>
Acked-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20210802072815.13551-6-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/arm/pxa2xx-ac97.c')
| -rw-r--r-- | sound/arm/pxa2xx-ac97.c | 18 |
1 files changed, 4 insertions, 14 deletions
diff --git a/sound/arm/pxa2xx-ac97.c b/sound/arm/pxa2xx-ac97.c index a67e6685b00c..c17a19fe59ed 100644 --- a/sound/arm/pxa2xx-ac97.c +++ b/sound/arm/pxa2xx-ac97.c @@ -172,38 +172,28 @@ static const struct snd_pcm_ops pxa2xx_ac97_pcm_ops = { .open = pxa2xx_ac97_pcm_open, .close = pxa2xx_ac97_pcm_close, .hw_params = pxa2xx_pcm_hw_params, - .hw_free = pxa2xx_pcm_hw_free, .prepare = pxa2xx_ac97_pcm_prepare, .trigger = pxa2xx_pcm_trigger, .pointer = pxa2xx_pcm_pointer, - .mmap = pxa2xx_pcm_mmap, }; static int pxa2xx_ac97_pcm_new(struct snd_card *card) { struct snd_pcm *pcm; - int stream, ret; + int ret; ret = snd_pcm_new(card, "PXA2xx-PCM", 0, 1, 1, &pcm); if (ret) goto out; - pcm->private_free = pxa2xx_pcm_free_dma_buffers; - ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32)); if (ret) goto out; - stream = SNDRV_PCM_STREAM_PLAYBACK; - snd_pcm_set_ops(pcm, stream, &pxa2xx_ac97_pcm_ops); - ret = pxa2xx_pcm_preallocate_dma_buffer(pcm, stream); - if (ret) - goto out; - - stream = SNDRV_PCM_STREAM_CAPTURE; - snd_pcm_set_ops(pcm, stream, &pxa2xx_ac97_pcm_ops); - ret = pxa2xx_pcm_preallocate_dma_buffer(pcm, stream); + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &pxa2xx_ac97_pcm_ops); + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &pxa2xx_ac97_pcm_ops); + ret = pxa2xx_pcm_preallocate_dma_buffer(pcm); if (ret) goto out; |