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>

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) {