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ALSA: rme32: Convert to the new PCM copy ops

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Replace the copy and the silence ops with the new ops.
The conversion is straightforward with standard helper functions, and
now we can drop the bytes <-> frames conversions in callbacks.

Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2017-05-10 20:29:25 +02:00
parent 6c6ba11fad
commit 032db751ef
1 changed files with 44 additions and 23 deletions
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67
sound/pci/rme32.c
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@ -254,39 +254,46 @@ static inline unsigned int snd_rme32_pcm_byteptr(struct rme32 * rme32)
}
/* silence callback for halfduplex mode */
static int snd_rme32_playback_silence(struct snd_pcm_substream *substream, int channel, /* not used (interleaved data) */
snd_pcm_uframes_t pos,
snd_pcm_uframes_t count)
static int snd_rme32_playback_silence(struct snd_pcm_substream *substream,
int channel, unsigned long pos,
unsigned long count)
{
struct rme32 *rme32 = snd_pcm_substream_chip(substream);
count <<= rme32->playback_frlog;
pos <<= rme32->playback_frlog;
memset_io(rme32->iobase + RME32_IO_DATA_BUFFER + pos, 0, count);
return 0;
}
/* copy callback for halfduplex mode */
static int snd_rme32_playback_copy(struct snd_pcm_substream *substream, int channel, /* not used (interleaved data) */
snd_pcm_uframes_t pos,
void __user *src, snd_pcm_uframes_t count)
static int snd_rme32_playback_copy(struct snd_pcm_substream *substream,
int channel, unsigned long pos,
void __user *src, unsigned long count)
{
struct rme32 *rme32 = snd_pcm_substream_chip(substream);
count <<= rme32->playback_frlog;
pos <<= rme32->playback_frlog;
if (copy_from_user_toio(rme32->iobase + RME32_IO_DATA_BUFFER + pos,
src, count))
src, count))
return -EFAULT;
return 0;
}
/* copy callback for halfduplex mode */
static int snd_rme32_capture_copy(struct snd_pcm_substream *substream, int channel, /* not used (interleaved data) */
snd_pcm_uframes_t pos,
void __user *dst, snd_pcm_uframes_t count)
static int snd_rme32_playback_copy_kernel(struct snd_pcm_substream *substream,
int channel, unsigned long pos,
void *src, unsigned long count)
{
struct rme32 *rme32 = snd_pcm_substream_chip(substream);
count <<= rme32->capture_frlog;
pos <<= rme32->capture_frlog;
memcpy_toio(rme32->iobase + RME32_IO_DATA_BUFFER + pos, src, count);
return 0;
}
/* copy callback for halfduplex mode */
static int snd_rme32_capture_copy(struct snd_pcm_substream *substream,
int channel, unsigned long pos,
void __user *dst, unsigned long count)
{
struct rme32 *rme32 = snd_pcm_substream_chip(substream);
if (copy_to_user_fromio(dst,
rme32->iobase + RME32_IO_DATA_BUFFER + pos,
count))
@ -294,6 +301,16 @@ static int snd_rme32_capture_copy(struct snd_pcm_substream *substream, int chann
return 0;
}
static int snd_rme32_capture_copy_kernel(struct snd_pcm_substream *substream,
int channel, unsigned long pos,
void *dst, unsigned long count)
{
struct rme32 *rme32 = snd_pcm_substream_chip(substream);
memcpy_fromio(dst, rme32->iobase + RME32_IO_DATA_BUFFER + pos, count);
return 0;
}
/*
* SPDIF I/O capabilities (half-duplex mode)
*/
@ -1203,8 +1220,9 @@ static const struct snd_pcm_ops snd_rme32_playback_spdif_ops = {
.prepare = snd_rme32_playback_prepare,
.trigger = snd_rme32_pcm_trigger,
.pointer = snd_rme32_playback_pointer,
.copy = snd_rme32_playback_copy,
.silence = snd_rme32_playback_silence,
.copy_user = snd_rme32_playback_copy,
.copy_kernel = snd_rme32_playback_copy_kernel,
.fill_silence = snd_rme32_playback_silence,
.mmap = snd_pcm_lib_mmap_iomem,
};
@ -1217,7 +1235,8 @@ static const struct snd_pcm_ops snd_rme32_capture_spdif_ops = {
.prepare = snd_rme32_capture_prepare,
.trigger = snd_rme32_pcm_trigger,
.pointer = snd_rme32_capture_pointer,
.copy = snd_rme32_capture_copy,
.copy_user = snd_rme32_capture_copy,
.copy_kernel = snd_rme32_capture_copy_kernel,
.mmap = snd_pcm_lib_mmap_iomem,
};
@ -1229,8 +1248,9 @@ static const struct snd_pcm_ops snd_rme32_playback_adat_ops = {
.prepare = snd_rme32_playback_prepare,
.trigger = snd_rme32_pcm_trigger,
.pointer = snd_rme32_playback_pointer,
.copy = snd_rme32_playback_copy,
.silence = snd_rme32_playback_silence,
.copy_user = snd_rme32_playback_copy,
.copy_kernel = snd_rme32_playback_copy_kernel,
.fill_silence = snd_rme32_playback_silence,
.mmap = snd_pcm_lib_mmap_iomem,
};
@ -1242,7 +1262,8 @@ static const struct snd_pcm_ops snd_rme32_capture_adat_ops = {
.prepare = snd_rme32_capture_prepare,
.trigger = snd_rme32_pcm_trigger,
.pointer = snd_rme32_capture_pointer,
.copy = snd_rme32_capture_copy,
.copy_user = snd_rme32_capture_copy,
.copy_kernel = snd_rme32_capture_copy_kernel,
.mmap = snd_pcm_lib_mmap_iomem,
};