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ASoC: Blackfin: Fix AD1980/1 build with MMAP support disabled

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clean up redudent code and correct building problem in non-mmap mode

Signed-off-by: Cliff Cai <cliff.cai@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Cliff Cai 2008-11-18 16:18:18 +08:00 committed by Mark Brown
parent 67f854b910
commit a89e611a1d
1 changed files with 3 additions and 19 deletions
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22
sound/soc/blackfin/bf5xx-ac97-pcm.c
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@ -193,8 +193,10 @@ static int bf5xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
#if defined(CONFIG_SND_BF5XX_MMAP_SUPPORT)
bf5xx_mmap_copy(substream, runtime->period_size);
sport->tx_delay_pos = 0;
#endif
sport_tx_start(sport);
} else
sport_rx_start(sport);
@ -267,23 +269,6 @@ static int bf5xx_pcm_open(struct snd_pcm_substream *substream)
return ret;
}
static int bf5xx_pcm_close(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct sport_device *sport = runtime->private_data;
pr_debug("%s enter\n", __func__);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
sport->once = 0;
memset(sport->tx_dma_buf, 0, runtime->buffer_size *
sizeof(struct ac97_frame));
} else
memset(sport->rx_dma_buf, 0, runtime->buffer_size *
sizeof(struct ac97_frame));
return 0;
}
#if defined(CONFIG_SND_BF5XX_MMAP_SUPPORT)
static int bf5xx_pcm_mmap(struct snd_pcm_substream *substream,
struct vm_area_struct *vma)
@ -301,7 +286,7 @@ static int bf5xx_pcm_copy(struct snd_pcm_substream *substream, int channel,
void __user *buf, snd_pcm_uframes_t count)
{
struct snd_pcm_runtime *runtime = substream->runtime;
unsigned int chan_mask = ac97_chan_mask[runtime->channels - 1];
pr_debug("%s copy pos:0x%lx count:0x%lx\n",
substream->stream ? "Capture" : "Playback", pos, count);
@ -317,7 +302,6 @@ static int bf5xx_pcm_copy(struct snd_pcm_substream *substream, int channel,
struct snd_pcm_ops bf5xx_pcm_ac97_ops = {
.open = bf5xx_pcm_open,
.close = bf5xx_pcm_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = bf5xx_pcm_hw_params,
.hw_free = bf5xx_pcm_hw_free,