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| author | Takashi Iwai <tiwai@suse.de> | 2019-12-09 10:48:38 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2019-12-11 07:24:57 +0100 |
| commit | cbd0719d5115a70bd1a1a8958eef504ddb867368 (patch) | |
| tree | f8454dc3d17903adb568ca79a6e48442adb1e294 | |
| parent | ef1545b8f35e230e7e7aae7d01647d151fd8e87a (diff) | |
| download | linux-cbd0719d5115a70bd1a1a8958eef504ddb867368.tar.bz2 | |
ALSA: ml403: Use managed buffer allocation
Clean up the driver with the new managed buffer allocation API.
The hw_params and hw_free callbacks became superfluous (they were only
useless debug prints) and got dropped.
Link: https://lore.kernel.org/r/20191209094943.14984-7-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
| -rw-r--r-- | sound/drivers/ml403-ac97cr.c | 29 |
1 files changed, 4 insertions, 25 deletions
diff --git a/sound/drivers/ml403-ac97cr.c b/sound/drivers/ml403-ac97cr.c index 70a6d1832698..fad63783b4ae 100644 --- a/sound/drivers/ml403-ac97cr.c +++ b/sound/drivers/ml403-ac97cr.c @@ -670,23 +670,6 @@ snd_ml403_ac97cr_pcm_capture_prepare(struct snd_pcm_substream *substream) return 0; } -static int snd_ml403_ac97cr_hw_free(struct snd_pcm_substream *substream) -{ - PDEBUG(WORK_INFO, "hw_free()\n"); - return snd_pcm_lib_free_pages(substream); -} - -static int -snd_ml403_ac97cr_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *hw_params) -{ - PDEBUG(WORK_INFO, "hw_params(): desired buffer bytes=%d, desired " - "period bytes=%d\n", - params_buffer_bytes(hw_params), params_period_bytes(hw_params)); - return snd_pcm_lib_malloc_pages(substream, - params_buffer_bytes(hw_params)); -} - static int snd_ml403_ac97cr_playback_open(struct snd_pcm_substream *substream) { struct snd_ml403_ac97cr *ml403_ac97cr; @@ -749,8 +732,6 @@ static const struct snd_pcm_ops snd_ml403_ac97cr_playback_ops = { .open = snd_ml403_ac97cr_playback_open, .close = snd_ml403_ac97cr_playback_close, .ioctl = snd_pcm_lib_ioctl, - .hw_params = snd_ml403_ac97cr_hw_params, - .hw_free = snd_ml403_ac97cr_hw_free, .prepare = snd_ml403_ac97cr_pcm_playback_prepare, .trigger = snd_ml403_ac97cr_pcm_playback_trigger, .pointer = snd_ml403_ac97cr_pcm_pointer, @@ -760,8 +741,6 @@ static const struct snd_pcm_ops snd_ml403_ac97cr_capture_ops = { .open = snd_ml403_ac97cr_capture_open, .close = snd_ml403_ac97cr_capture_close, .ioctl = snd_pcm_lib_ioctl, - .hw_params = snd_ml403_ac97cr_hw_params, - .hw_free = snd_ml403_ac97cr_hw_free, .prepare = snd_ml403_ac97cr_pcm_capture_prepare, .trigger = snd_ml403_ac97cr_pcm_capture_trigger, .pointer = snd_ml403_ac97cr_pcm_pointer, @@ -1241,10 +1220,10 @@ snd_ml403_ac97cr_pcm(struct snd_ml403_ac97cr *ml403_ac97cr, int device) strcpy(pcm->name, "ML403AC97CR DAC/ADC"); ml403_ac97cr->pcm = pcm; - snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS, - NULL, - 64 * 1024, - 128 * 1024); + snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS, + NULL, + 64 * 1024, + 128 * 1024); return 0; } |