diff options
| author | Takashi Iwai <tiwai@suse.de> | 2023-08-15 21:01:22 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2023-08-18 12:18:22 +0200 |
| commit | c3abdf06a9e51d8e4cf97bc58b4b966a254b560f (patch) | |
| tree | 39ab8bc77b9173e3ad9360fa8a50ead081765acd | |
| parent | 50496aa216d564fb24783e1c94a2a12c0ef303a6 (diff) | |
ALSA: rme96: Convert to generic PCM copy ops
This patch converts the rme96 driver code to use the new unified PCM
copy callback. It's a straightforward conversion from *_user() to
*_iter() variants.
Link: https://lore.kernel.org/r/20230815190136.8987-12-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
| -rw-r--r-- | sound/pci/rme96.c | 42 |
1 files changed, 8 insertions, 34 deletions
diff --git a/sound/pci/rme96.c b/sound/pci/rme96.c index bccb7e0d3d11..6b5ffb18197b 100644 --- a/sound/pci/rme96.c +++ b/sound/pci/rme96.c @@ -320,48 +320,26 @@ snd_rme96_playback_silence(struct snd_pcm_substream *substream, static int snd_rme96_playback_copy(struct snd_pcm_substream *substream, int channel, unsigned long pos, - void __user *src, unsigned long count) + struct iov_iter *src, unsigned long count) { struct rme96 *rme96 = snd_pcm_substream_chip(substream); - return copy_from_user_toio(rme96->iobase + RME96_IO_PLAY_BUFFER + pos, + return copy_from_iter_toio(rme96->iobase + RME96_IO_PLAY_BUFFER + pos, src, count); } static int -snd_rme96_playback_copy_kernel(struct snd_pcm_substream *substream, - int channel, unsigned long pos, - void *src, unsigned long count) -{ - struct rme96 *rme96 = snd_pcm_substream_chip(substream); - - memcpy_toio(rme96->iobase + RME96_IO_PLAY_BUFFER + pos, src, count); - return 0; -} - -static int snd_rme96_capture_copy(struct snd_pcm_substream *substream, int channel, unsigned long pos, - void __user *dst, unsigned long count) + struct iov_iter *dst, unsigned long count) { struct rme96 *rme96 = snd_pcm_substream_chip(substream); - return copy_to_user_fromio(dst, + return copy_to_iter_fromio(dst, rme96->iobase + RME96_IO_REC_BUFFER + pos, count); } -static int -snd_rme96_capture_copy_kernel(struct snd_pcm_substream *substream, - int channel, unsigned long pos, - void *dst, unsigned long count) -{ - struct rme96 *rme96 = snd_pcm_substream_chip(substream); - - memcpy_fromio(dst, rme96->iobase + RME96_IO_REC_BUFFER + pos, count); - return 0; -} - /* * Digital output capabilities (S/PDIF) */ @@ -1518,8 +1496,7 @@ static const struct snd_pcm_ops snd_rme96_playback_spdif_ops = { .prepare = snd_rme96_playback_prepare, .trigger = snd_rme96_playback_trigger, .pointer = snd_rme96_playback_pointer, - .copy_user = snd_rme96_playback_copy, - .copy_kernel = snd_rme96_playback_copy_kernel, + .copy = snd_rme96_playback_copy, .fill_silence = snd_rme96_playback_silence, .mmap = snd_pcm_lib_mmap_iomem, }; @@ -1531,8 +1508,7 @@ static const struct snd_pcm_ops snd_rme96_capture_spdif_ops = { .prepare = snd_rme96_capture_prepare, .trigger = snd_rme96_capture_trigger, .pointer = snd_rme96_capture_pointer, - .copy_user = snd_rme96_capture_copy, - .copy_kernel = snd_rme96_capture_copy_kernel, + .copy = snd_rme96_capture_copy, .mmap = snd_pcm_lib_mmap_iomem, }; @@ -1543,8 +1519,7 @@ static const struct snd_pcm_ops snd_rme96_playback_adat_ops = { .prepare = snd_rme96_playback_prepare, .trigger = snd_rme96_playback_trigger, .pointer = snd_rme96_playback_pointer, - .copy_user = snd_rme96_playback_copy, - .copy_kernel = snd_rme96_playback_copy_kernel, + .copy = snd_rme96_playback_copy, .fill_silence = snd_rme96_playback_silence, .mmap = snd_pcm_lib_mmap_iomem, }; @@ -1556,8 +1531,7 @@ static const struct snd_pcm_ops snd_rme96_capture_adat_ops = { .prepare = snd_rme96_capture_prepare, .trigger = snd_rme96_capture_trigger, .pointer = snd_rme96_capture_pointer, - .copy_user = snd_rme96_capture_copy, - .copy_kernel = snd_rme96_capture_copy_kernel, + .copy = snd_rme96_capture_copy, .mmap = snd_pcm_lib_mmap_iomem, }; |