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-rw-r--r--sound/atmel/ac97c.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/sound/atmel/ac97c.c b/sound/atmel/ac97c.c
index 3c0a6f4e3585..428121a7e705 100644
--- a/sound/atmel/ac97c.c
+++ b/sound/atmel/ac97c.c
@@ -339,7 +339,11 @@ static int atmel_ac97c_playback_prepare(struct snd_pcm_substream *substream)
ac97c_writel(chip, OCA, word);
/* configure sample format and size */
- word = AC97C_CMR_DMAEN | AC97C_CMR_SIZE_16;
+ word = ac97c_readl(chip, CAMR);
+ if (chip->opened <= 1)
+ word = AC97C_CMR_DMAEN | AC97C_CMR_SIZE_16;
+ else
+ word |= AC97C_CMR_DMAEN | AC97C_CMR_SIZE_16;
switch (runtime->format) {
case SNDRV_PCM_FORMAT_S16_LE:
@@ -426,7 +430,11 @@ static int atmel_ac97c_capture_prepare(struct snd_pcm_substream *substream)
ac97c_writel(chip, ICA, word);
/* configure sample format and size */
- word = AC97C_CMR_DMAEN | AC97C_CMR_SIZE_16;
+ word = ac97c_readl(chip, CAMR);
+ if (chip->opened <= 1)
+ word = AC97C_CMR_DMAEN | AC97C_CMR_SIZE_16;
+ else
+ word |= AC97C_CMR_DMAEN | AC97C_CMR_SIZE_16;
switch (runtime->format) {
case SNDRV_PCM_FORMAT_S16_LE:
@@ -506,7 +514,7 @@ atmel_ac97c_playback_trigger(struct snd_pcm_substream *substream, int cmd)
} else {
ptcr = ATMEL_PDC_TXTEN;
}
- camr |= AC97C_CMR_CENA;
+ camr |= AC97C_CMR_CENA | AC97C_CSR_ENDTX;
break;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH: /* fall through */
case SNDRV_PCM_TRIGGER_SUSPEND: /* fall through */
@@ -551,7 +559,7 @@ atmel_ac97c_capture_trigger(struct snd_pcm_substream *substream, int cmd)
} else {
ptcr = ATMEL_PDC_RXTEN;
}
- camr |= AC97C_CMR_CENA;
+ camr |= AC97C_CMR_CENA | AC97C_CSR_ENDRX;
break;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH: /* fall through */
case SNDRV_PCM_TRIGGER_SUSPEND: /* fall through */