summaryrefslogtreecommitdiff
path: root/sound/soc/blackfin/bf5xx-i2s-pcm.c
diff options
context:
space:
mode:
authorTakashi Iwai <tiwai@suse.de>2017-05-10 22:59:12 +0300
committerTakashi Iwai <tiwai@suse.de>2017-06-02 20:38:10 +0300
commitaa708c613b96c9c3a00a5ba78a203616cab27f86 (patch)
treea37cae1e4a25a6a2d20bcdc91b5b22f66b39a3f9 /sound/soc/blackfin/bf5xx-i2s-pcm.c
parent1cc2f8ba0b3e63e0c8977cbad89e90352251c518 (diff)
downloadlinux-aa708c613b96c9c3a00a5ba78a203616cab27f86.tar.xz
ASoC: blackfin: Convert to the new PCM ops
Replace the copy and the silence ops with the new PCM ops. In AC97 and I2S-TDM mode, we need to convert back to frames, but otherwise the conversion is pretty straightforward. Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Acked-by: Mark Brown <broonie@kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/soc/blackfin/bf5xx-i2s-pcm.c')
-rw-r--r--sound/soc/blackfin/bf5xx-i2s-pcm.c36
1 files changed, 24 insertions, 12 deletions
diff --git a/sound/soc/blackfin/bf5xx-i2s-pcm.c b/sound/soc/blackfin/bf5xx-i2s-pcm.c
index 6cba211da32e..470d99abf6f6 100644
--- a/sound/soc/blackfin/bf5xx-i2s-pcm.c
+++ b/sound/soc/blackfin/bf5xx-i2s-pcm.c
@@ -225,8 +225,9 @@ static int bf5xx_pcm_mmap(struct snd_pcm_substream *substream,
return 0 ;
}
-static int bf5xx_pcm_copy(struct snd_pcm_substream *substream, int channel,
- snd_pcm_uframes_t pos, void *buf, snd_pcm_uframes_t count)
+static int bf5xx_pcm_copy(struct snd_pcm_substream *substream,
+ int channel, unsigned long pos,
+ void *buf, unsigned long count)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_pcm_runtime *runtime = substream->runtime;
@@ -238,6 +239,8 @@ static int bf5xx_pcm_copy(struct snd_pcm_substream *substream, int channel,
dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
if (dma_data->tdm_mode) {
+ pos = bytes_to_frames(runtime, pos);
+ count = bytes_to_frames(runtime, count);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
src = buf;
dst = runtime->dma_area;
@@ -269,21 +272,29 @@ static int bf5xx_pcm_copy(struct snd_pcm_substream *substream, int channel,
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
src = buf;
dst = runtime->dma_area;
- dst += frames_to_bytes(runtime, pos);
+ dst += pos;
} else {
src = runtime->dma_area;
- src += frames_to_bytes(runtime, pos);
+ src += pos;
dst = buf;
}
- memcpy(dst, src, frames_to_bytes(runtime, count));
+ memcpy(dst, src, count);
}
return 0;
}
+static int bf5xx_pcm_copy_user(struct snd_pcm_substream *substream,
+ int channel, unsigned long pos,
+ void __user *buf, unsigned long count)
+{
+ return bf5xx_pcm_copy(substream, channel, pos, (void *)buf, count);
+}
+
static int bf5xx_pcm_silence(struct snd_pcm_substream *substream,
- int channel, snd_pcm_uframes_t pos, snd_pcm_uframes_t count)
+ int channel, unsigned long pos,
+ unsigned long count)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_pcm_runtime *runtime = substream->runtime;
@@ -295,11 +306,11 @@ static int bf5xx_pcm_silence(struct snd_pcm_substream *substream,
dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
if (dma_data->tdm_mode) {
- offset = pos * 8 * sample_size;
- samples = count * 8;
+ offset = bytes_to_frames(runtime, pos) * 8 * sample_size;
+ samples = bytes_to_frames(runtime, count) * 8;
} else {
- offset = frames_to_bytes(runtime, pos);
- samples = count * runtime->channels;
+ offset = pos;
+ samples = bytes_to_samples(runtime, count);
}
snd_pcm_format_set_silence(runtime->format, buf + offset, samples);
@@ -316,8 +327,9 @@ static struct snd_pcm_ops bf5xx_pcm_i2s_ops = {
.trigger = bf5xx_pcm_trigger,
.pointer = bf5xx_pcm_pointer,
.mmap = bf5xx_pcm_mmap,
- .copy = bf5xx_pcm_copy,
- .silence = bf5xx_pcm_silence,
+ .copy_user = bf5xx_pcm_copy_user,
+ .copy_kernel = bf5xx_pcm_copy,
+ .fill_silence = bf5xx_pcm_silence,
};
static int bf5xx_pcm_i2s_new(struct snd_soc_pcm_runtime *rtd)