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-rw-r--r--sound/drivers/vx/vx_pcm.c40
1 files changed, 23 insertions, 17 deletions
diff --git a/sound/drivers/vx/vx_pcm.c b/sound/drivers/vx/vx_pcm.c
index 664b9efa9a50..ceaeb257003b 100644
--- a/sound/drivers/vx/vx_pcm.c
+++ b/sound/drivers/vx/vx_pcm.c
@@ -60,7 +60,6 @@ static void vx_pcm_read_per_bytes(struct vx_core *chip, struct snd_pcm_runtime *
*buf++ = vx_inb(chip, RXL);
if (++offset >= pipe->buffer_bytes) {
offset = 0;
- buf = (unsigned char *)runtime->dma_area;
}
pipe->hw_ptr = offset;
}
@@ -342,10 +341,12 @@ static int vx_toggle_pipe(struct vx_core *chip, struct vx_pipe *pipe, int state)
}
}
- if ((err = vx_conf_pipe(chip, pipe)) < 0)
+ err = vx_conf_pipe(chip, pipe);
+ if (err < 0)
return err;
- if ((err = vx_send_irqa(chip)) < 0)
+ err = vx_send_irqa(chip);
+ if (err < 0)
return err;
/* If it completes successfully, wait for the pipes
@@ -530,7 +531,6 @@ static int vx_pcm_playback_open(struct snd_pcm_substream *subs)
err = vx_alloc_pipe(chip, 0, audio, 2, &pipe); /* stereo playback */
if (err < 0)
return err;
- chip->playback_pipes[audio] = pipe;
}
/* open for playback */
pipe->references++;
@@ -682,8 +682,9 @@ static void vx_pcm_playback_transfer(struct vx_core *chip,
if (! pipe->prepared || (chip->chip_status & VX_STAT_IS_STALE))
return;
for (i = 0; i < nchunks; i++) {
- if ((err = vx_pcm_playback_transfer_chunk(chip, runtime, pipe,
- chip->ibl.size)) < 0)
+ err = vx_pcm_playback_transfer_chunk(chip, runtime, pipe,
+ chip->ibl.size);
+ if (err < 0)
return;
}
}
@@ -700,7 +701,8 @@ static void vx_pcm_playback_update(struct vx_core *chip,
struct snd_pcm_runtime *runtime = subs->runtime;
if (pipe->running && ! (chip->chip_status & VX_STAT_IS_STALE)) {
- if ((err = vx_update_pipe_position(chip, runtime, pipe)) < 0)
+ err = vx_update_pipe_position(chip, runtime, pipe);
+ if (err < 0)
return;
if (pipe->transferred >= (int)runtime->period_size) {
pipe->transferred %= runtime->period_size;
@@ -749,11 +751,13 @@ static int vx_pcm_trigger(struct snd_pcm_substream *subs, int cmd)
pipe->running = 0;
break;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
- if ((err = vx_toggle_pipe(chip, pipe, 0)) < 0)
+ err = vx_toggle_pipe(chip, pipe, 0);
+ if (err < 0)
return err;
break;
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
- if ((err = vx_toggle_pipe(chip, pipe, 1)) < 0)
+ err = vx_toggle_pipe(chip, pipe, 1);
+ if (err < 0)
return err;
break;
default:
@@ -794,13 +798,15 @@ static int vx_pcm_prepare(struct snd_pcm_substream *subs)
snd_printdd(KERN_DEBUG "reopen the pipe with data_mode = %d\n", data_mode);
vx_init_rmh(&rmh, CMD_FREE_PIPE);
vx_set_pipe_cmd_params(&rmh, 0, pipe->number, 0);
- if ((err = vx_send_msg(chip, &rmh)) < 0)
+ err = vx_send_msg(chip, &rmh);
+ if (err < 0)
return err;
vx_init_rmh(&rmh, CMD_RES_PIPE);
vx_set_pipe_cmd_params(&rmh, 0, pipe->number, pipe->channels);
if (data_mode)
rmh.Cmd[0] |= BIT_DATA_MODE;
- if ((err = vx_send_msg(chip, &rmh)) < 0)
+ err = vx_send_msg(chip, &rmh);
+ if (err < 0)
return err;
pipe->data_mode = data_mode;
}
@@ -812,7 +818,8 @@ static int vx_pcm_prepare(struct snd_pcm_substream *subs)
}
vx_set_clock(chip, runtime->rate);
- if ((err = vx_set_format(chip, pipe, runtime)) < 0)
+ err = vx_set_format(chip, pipe, runtime);
+ if (err < 0)
return err;
if (vx_is_pcmcia(chip)) {
@@ -1156,8 +1163,7 @@ static int vx_init_audio_io(struct vx_core *chip)
chip->ibl.size = 0;
vx_set_ibl(chip, &chip->ibl); /* query the info */
if (preferred > 0) {
- chip->ibl.size = ((preferred + chip->ibl.granularity - 1) /
- chip->ibl.granularity) * chip->ibl.granularity;
+ chip->ibl.size = roundup(preferred, chip->ibl.granularity);
if (chip->ibl.size > chip->ibl.max_size)
chip->ibl.size = chip->ibl.max_size;
} else
@@ -1190,7 +1196,8 @@ int snd_vx_pcm_new(struct vx_core *chip)
unsigned int i;
int err;
- if ((err = vx_init_audio_io(chip)) < 0)
+ err = vx_init_audio_io(chip);
+ if (err < 0)
return err;
for (i = 0; i < chip->hw->num_codecs; i++) {
@@ -1208,8 +1215,7 @@ int snd_vx_pcm_new(struct vx_core *chip)
if (ins)
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &vx_pcm_capture_ops);
snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_VMALLOC,
- snd_dma_continuous_data(GFP_KERNEL | GFP_DMA32),
- 0, 0);
+ NULL, 0, 0);
pcm->private_data = chip;
pcm->private_free = snd_vx_pcm_free;