diff options
Diffstat (limited to 'sound/soc/blackfin/bf5xx-ac97-pcm.c')
| -rw-r--r-- | sound/soc/blackfin/bf5xx-ac97-pcm.c | 29 |
1 files changed, 20 insertions, 9 deletions
diff --git a/sound/soc/blackfin/bf5xx-ac97-pcm.c b/sound/soc/blackfin/bf5xx-ac97-pcm.c index 02ad2606fa19..8c1d1983b8f9 100644 --- a/sound/soc/blackfin/bf5xx-ac97-pcm.c +++ b/sound/soc/blackfin/bf5xx-ac97-pcm.c @@ -279,26 +279,36 @@ 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 = { +static const struct snd_pcm_ops bf5xx_pcm_ac97_ops = { .open = bf5xx_pcm_open, .ioctl = snd_pcm_lib_ioctl, .hw_params = bf5xx_pcm_hw_params, @@ -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 }; |