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authorTakashi Iwai <tiwai@suse.de>2017-05-10 22:21:52 +0200
committerTakashi Iwai <tiwai@suse.de>2017-06-02 19:38:19 +0200
commit2ae48354a1a7afbec0c61280e6410a90894a21e7 (patch)
tree3dfeb017ae2c64905781f9c4999c38bc619be4d6 /sound/core/pcm_lib.c
parent1facf21e8b903524b34f09c39a7d27b4b71a07f7 (diff)
ALSA: pcm: Drop the old copy and silence ops
Now that all users of old copy and silence ops have been converted to the new PCM ops, the old stuff can be retired and go away. Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/core/pcm_lib.c')
-rw-r--r--sound/core/pcm_lib.c38
1 files changed, 1 insertions, 37 deletions
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index 1fca1ffd235e..9c5fe62e2c51 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -118,9 +118,6 @@ void snd_pcm_playback_silence(struct snd_pcm_substream *substream, snd_pcm_ufram
frames_to_bytes(runtime, ofs),
frames_to_bytes(runtime, transfer));
snd_BUG_ON(err < 0);
- } else if (substream->ops->silence) {
- err = substream->ops->silence(substream, -1, ofs, transfer);
- snd_BUG_ON(err < 0);
} else {
hwbuf = runtime->dma_area + frames_to_bytes(runtime, ofs);
snd_pcm_format_set_silence(runtime->format, hwbuf, transfer * runtime->channels);
@@ -135,11 +132,6 @@ void snd_pcm_playback_silence(struct snd_pcm_substream *substream, snd_pcm_ufram
samples_to_bytes(runtime, transfer));
snd_BUG_ON(err < 0);
}
- } else if (substream->ops->silence) {
- for (c = 0; c < channels; ++c) {
- err = substream->ops->silence(substream, c, ofs, transfer);
- snd_BUG_ON(err < 0);
- }
} else {
size_t dma_csize = runtime->dma_bytes / channels;
for (c = 0; c < channels; ++c) {
@@ -2015,9 +2007,6 @@ static int snd_pcm_lib_write_transfer(struct snd_pcm_substream *substream,
err = substream->ops->copy_user(substream, 0, hwoff, buf, frames);
if (err < 0)
return err;
- } else if (substream->ops->copy) {
- if ((err = substream->ops->copy(substream, -1, hwoff, buf, frames)) < 0)
- return err;
} else {
char *hwbuf = runtime->dma_area + frames_to_bytes(runtime, hwoff);
if (copy_from_user(hwbuf, buf, frames_to_bytes(runtime, frames)))
@@ -2139,8 +2128,7 @@ static int pcm_sanity_check(struct snd_pcm_substream *substream)
if (PCM_RUNTIME_CHECK(substream))
return -ENXIO;
runtime = substream->runtime;
- if (snd_BUG_ON(!substream->ops->copy_user && !substream->ops->copy
- && !runtime->dma_area))
+ if (snd_BUG_ON(!substream->ops->copy_user && !runtime->dma_area))
return -EINVAL;
if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
return -EBADFD;
@@ -2200,19 +2188,6 @@ static int snd_pcm_lib_writev_transfer(struct snd_pcm_substream *substream,
if (err < 0)
return err;
}
- } else if (substream->ops->copy) {
- if (snd_BUG_ON(!substream->ops->silence))
- return -EINVAL;
- for (c = 0; c < channels; ++c, ++bufs) {
- if (*bufs == NULL) {
- if ((err = substream->ops->silence(substream, c, hwoff, frames)) < 0)
- return err;
- } else {
- buf = *bufs + samples_to_bytes(runtime, off);
- if ((err = substream->ops->copy(substream, c, hwoff, buf, frames)) < 0)
- return err;
- }
- }
} else {
/* default transfer behaviour */
size_t dma_csize = runtime->dma_bytes / channels;
@@ -2266,9 +2241,6 @@ static int snd_pcm_lib_read_transfer(struct snd_pcm_substream *substream,
err = substream->ops->copy_user(substream, 0, hwoff, buf, frames);
if (err < 0)
return err;
- } else if (substream->ops->copy) {
- if ((err = substream->ops->copy(substream, -1, hwoff, buf, frames)) < 0)
- return err;
} else {
char *hwbuf = runtime->dma_area + frames_to_bytes(runtime, hwoff);
if (copy_to_user(buf, hwbuf, frames_to_bytes(runtime, frames)))
@@ -2430,14 +2402,6 @@ static int snd_pcm_lib_readv_transfer(struct snd_pcm_substream *substream,
if (err < 0)
return err;
}
- } else if (substream->ops->copy) {
- for (c = 0; c < channels; ++c, ++bufs) {
- if (*bufs == NULL)
- continue;
- buf = *bufs + samples_to_bytes(runtime, off);
- if ((err = substream->ops->copy(substream, c, hwoff, buf, frames)) < 0)
- return err;
- }
} else {
snd_pcm_uframes_t dma_csize = runtime->dma_bytes / channels;
for (c = 0; c < channels; ++c, ++bufs) {