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path: root/sound/isa/ad1816a/ad1816a_lib.c
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Diffstat (limited to 'sound/isa/ad1816a/ad1816a_lib.c')
-rw-r--r--sound/isa/ad1816a/ad1816a_lib.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/sound/isa/ad1816a/ad1816a_lib.c b/sound/isa/ad1816a/ad1816a_lib.c
index 625b2eff14a..ae860360ecf 100644
--- a/sound/isa/ad1816a/ad1816a_lib.c
+++ b/sound/isa/ad1816a/ad1816a_lib.c
@@ -234,7 +234,7 @@ static int snd_ad1816a_playback_prepare(snd_pcm_substream_t *substream)
ad1816a_t *chip = snd_pcm_substream_chip(substream);
unsigned long flags;
snd_pcm_runtime_t *runtime = substream->runtime;
- unsigned int size;
+ unsigned int size, rate;
spin_lock_irqsave(&chip->lock, flags);
@@ -245,7 +245,10 @@ static int snd_ad1816a_playback_prepare(snd_pcm_substream_t *substream)
snd_dma_program(chip->dma1, runtime->dma_addr, size,
DMA_MODE_WRITE | DMA_AUTOINIT);
- snd_ad1816a_write(chip, AD1816A_PLAYBACK_SAMPLE_RATE, runtime->rate);
+ rate = runtime->rate;
+ if (chip->clock_freq)
+ rate = (rate * 33000) / chip->clock_freq;
+ snd_ad1816a_write(chip, AD1816A_PLAYBACK_SAMPLE_RATE, rate);
snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG,
AD1816A_FMT_ALL | AD1816A_FMT_STEREO,
snd_ad1816a_get_format(chip, runtime->format,
@@ -263,7 +266,7 @@ static int snd_ad1816a_capture_prepare(snd_pcm_substream_t *substream)
ad1816a_t *chip = snd_pcm_substream_chip(substream);
unsigned long flags;
snd_pcm_runtime_t *runtime = substream->runtime;
- unsigned int size;
+ unsigned int size, rate;
spin_lock_irqsave(&chip->lock, flags);
@@ -274,7 +277,10 @@ static int snd_ad1816a_capture_prepare(snd_pcm_substream_t *substream)
snd_dma_program(chip->dma2, runtime->dma_addr, size,
DMA_MODE_READ | DMA_AUTOINIT);
- snd_ad1816a_write(chip, AD1816A_CAPTURE_SAMPLE_RATE, runtime->rate);
+ rate = runtime->rate;
+ if (chip->clock_freq)
+ rate = (rate * 33000) / chip->clock_freq;
+ snd_ad1816a_write(chip, AD1816A_CAPTURE_SAMPLE_RATE, rate);
snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG,
AD1816A_FMT_ALL | AD1816A_FMT_STEREO,
snd_ad1816a_get_format(chip, runtime->format,