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| author | Takashi Iwai <tiwai@suse.de> | 2019-12-09 10:48:54 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2019-12-11 07:25:04 +0100 |
| commit | 96bcfde13a1cb8979c0e4fb35f99be2d072c21bd (patch) | |
| tree | bf3894b2d0e75fbca7ecbc082e85a78c23c6d69e /sound | |
| parent | ALSA: als300: Use managed buffer allocation (diff) | |
| download | linux-96bcfde13a1cb8979c0e4fb35f99be2d072c21bd.tar.xz linux-96bcfde13a1cb8979c0e4fb35f99be2d072c21bd.zip | |
ALSA: als4000: 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/20191209094943.14984-23-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/pci/als4000.c | 23 |
1 files changed, 2 insertions, 21 deletions
diff --git a/sound/pci/als4000.c b/sound/pci/als4000.c index d6f5487afe52..ea51913ea134 100644 --- a/sound/pci/als4000.c +++ b/sound/pci/als4000.c @@ -354,18 +354,6 @@ CMD_SIGNED|CMD_STEREO, /* ALS4000_FORMAT_S16L_STEREO */ }; #define capture_cmd(chip) (capture_cmd_vals[(chip)->capture_format]) -static int snd_als4000_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_als4000_hw_free(struct snd_pcm_substream *substream) -{ - snd_pcm_lib_free_pages(substream); - return 0; -} - static int snd_als4000_capture_prepare(struct snd_pcm_substream *substream) { struct snd_sb *chip = snd_pcm_substream_chip(substream); @@ -633,7 +621,6 @@ static int snd_als4000_playback_close(struct snd_pcm_substream *substream) struct snd_sb *chip = snd_pcm_substream_chip(substream); chip->playback_substream = NULL; - snd_pcm_lib_free_pages(substream); return 0; } @@ -652,7 +639,6 @@ static int snd_als4000_capture_close(struct snd_pcm_substream *substream) struct snd_sb *chip = snd_pcm_substream_chip(substream); chip->capture_substream = NULL; - snd_pcm_lib_free_pages(substream); return 0; } @@ -662,8 +648,6 @@ static const struct snd_pcm_ops snd_als4000_playback_ops = { .open = snd_als4000_playback_open, .close = snd_als4000_playback_close, .ioctl = snd_pcm_lib_ioctl, - .hw_params = snd_als4000_hw_params, - .hw_free = snd_als4000_hw_free, .prepare = snd_als4000_playback_prepare, .trigger = snd_als4000_playback_trigger, .pointer = snd_als4000_playback_pointer @@ -673,8 +657,6 @@ static const struct snd_pcm_ops snd_als4000_capture_ops = { .open = snd_als4000_capture_open, .close = snd_als4000_capture_close, .ioctl = snd_pcm_lib_ioctl, - .hw_params = snd_als4000_hw_params, - .hw_free = snd_als4000_hw_free, .prepare = snd_als4000_capture_prepare, .trigger = snd_als4000_capture_trigger, .pointer = snd_als4000_capture_pointer @@ -693,9 +675,8 @@ static int snd_als4000_pcm(struct snd_sb *chip, int device) snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_als4000_playback_ops); snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_als4000_capture_ops); - snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, - &chip->pci->dev, - 64*1024, 64*1024); + snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, + &chip->pci->dev, 64*1024, 64*1024); chip->pcm = pcm; |