On 29/08/07 23:28 -0400, Andres Salomon wrote:
>
> We're never actually setting dma->substream to the current substream; that
> means the dma->substream checks that we do in the suspend/resume path
> are never satisfied, and the PRD registers are never correctly managed. This
> changes it so that we set the substream when constructing the specific
> bus master DMA, and unsetting it when we tear down the BM's DMA.
>
> Signed-off-by: Andres Salomon <[EMAIL PROTECTED]>
Acked-by: Jordan Crouse <[EMAIL PROTECTED]>
> ---
>
> sound/pci/cs5535audio/cs5535audio_pcm.c | 2 ++
> 1 files changed, 2 insertions(+), 0 deletions(-)
>
> diff --git a/sound/pci/cs5535audio/cs5535audio_pcm.c
> b/sound/pci/cs5535audio/cs5535audio_pcm.c
> index 5450a9e..e61f972 100644
> --- a/sound/pci/cs5535audio/cs5535audio_pcm.c
> +++ b/sound/pci/cs5535audio/cs5535audio_pcm.c
> @@ -164,6 +164,7 @@ static int cs5535audio_build_dma_packets(struct
> cs5535audio *cs5535au,
> jmpprd_addr = cpu_to_le32(lastdesc->addr +
> (sizeof(struct
> cs5535audio_dma_desc)*periods));
>
> + dma->substream = substream;
> dma->period_bytes = period_bytes;
> dma->periods = periods;
> spin_lock_irq(&cs5535au->reg_lock);
> @@ -241,6 +242,7 @@ static void cs5535audio_clear_dma_packets(struct
> cs5535audio *cs5535au,
> {
> snd_dma_free_pages(&dma->desc_buf);
> dma->desc_buf.area = NULL;
> + dma->substream = NULL;
> }
>
> static int snd_cs5535audio_hw_params(struct snd_pcm_substream *substream,
>
>
--
Jordan Crouse
Systems Software Development Engineer
Advanced Micro Devices, Inc.
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