dma_offset needs reset every time otherwise for consecutive PCM open the last dma_offset value will cause incorrect pointer position be reported to user space.
Signed-off-by: Hsin-Yu Chao hychao@chromium.org Signed-off-by: Oder Chiou oder_chiou@realtek.com --- sound/soc/codecs/rt5514-spi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/soc/codecs/rt5514-spi.c b/sound/soc/codecs/rt5514-spi.c index 6f513cc..640193d 100644 --- a/sound/soc/codecs/rt5514-spi.c +++ b/sound/soc/codecs/rt5514-spi.c @@ -151,7 +151,6 @@ static irqreturn_t rt5514_spi_irq(int irq, void *data) u8 buf[8];
rt5514_dsp->get_size = 0; - rt5514_dsp->dma_offset = 0;
/** * The address area x1800XXXX is the register address, and it cannot @@ -205,6 +204,7 @@ static int rt5514_spi_hw_params(struct snd_pcm_substream *substream, ret = snd_pcm_lib_alloc_vmalloc_buffer(substream, params_buffer_bytes(hw_params)); rt5514_dsp->substream = substream; + rt5514_dsp->dma_offset = 0; mutex_unlock(&rt5514_dsp->dma_lock);
return ret;