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Diffstat (limited to 'sound/soc/blackfin/bf5xx-ac97-pcm.c')
-rw-r--r--sound/soc/blackfin/bf5xx-ac97-pcm.c27
1 files changed, 19 insertions, 8 deletions
diff --git a/sound/soc/blackfin/bf5xx-ac97-pcm.c b/sound/soc/blackfin/bf5xx-ac97-pcm.c
index 02ad2606fa19..913e29275f4e 100644
--- a/sound/soc/blackfin/bf5xx-ac97-pcm.c
+++ b/sound/soc/blackfin/bf5xx-ac97-pcm.c
@@ -279,23 +279,33 @@ static int bf5xx_pcm_mmap(struct snd_pcm_substream *substream,
return 0 ;
}
#else
-static int bf5xx_pcm_copy(struct snd_pcm_substream *substream, int channel,
- snd_pcm_uframes_t pos,
- void __user *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_pcm_runtime *runtime = substream->runtime;
unsigned int chan_mask = ac97_chan_mask[runtime->channels - 1];
+ struct ac97_frame *dst;
+
pr_debug("%s copy pos:0x%lx count:0x%lx\n",
substream->stream ? "Capture" : "Playback", pos, count);
+ dst = (struct ac97_frame *)runtime->dma_area +
+ bytes_to_frames(runtime, pos);
+ count = bytes_to_frames(runtime, count);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- bf5xx_pcm_to_ac97((struct ac97_frame *)runtime->dma_area + pos,
- (__u16 *)buf, count, chan_mask);
+ bf5xx_pcm_to_ac97(dst, buf, count, chan_mask);
else
- bf5xx_ac97_to_pcm((struct ac97_frame *)runtime->dma_area + pos,
- (__u16 *)buf, count);
+ bf5xx_ac97_to_pcm(dst, buf, 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);
+}
#endif
static struct snd_pcm_ops bf5xx_pcm_ac97_ops = {
@@ -309,7 +319,8 @@ static struct snd_pcm_ops bf5xx_pcm_ac97_ops = {
#if defined(CONFIG_SND_BF5XX_MMAP_SUPPORT)
.mmap = bf5xx_pcm_mmap,
#else
- .copy = bf5xx_pcm_copy,
+ .copy_user = bf5xx_pcm_copy_user,
+ .copy_kernel = bf5xx_pcm_copy,
#endif
};