Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7abcacb09ac0f9c6848f1e7d86b284427fa83cee
Commit: 7abcacb09ac0f9c6848f1e7d86b284427fa83cee
Parent: 9e05b7a3d936ac5eb6c10291b69aee0af1ad03fb
Author: Andres Salomon <[EMAIL PROTECTED]>
AuthorDate: Mon Sep 3 15:41:47 2007 +0200
Committer: Jaroslav Kysela <[EMAIL PROTECTED]>
CommitDate: Tue Oct 16 15:59:51 2007 +0200
[ALSA] cs5535audio: correctly set dma->substream
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]>
Signed-off-by: Takashi Iwai <[EMAIL PROTECTED]>
Signed-off-by: Jaroslav Kysela <[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 ec920cb..9a1e87f 100644
--- a/sound/pci/cs5535audio/cs5535audio_pcm.c
+++ b/sound/pci/cs5535audio/cs5535audio_pcm.c
@@ -161,6 +161,7 @@ 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);
@@ -238,6 +239,7 @@ 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,
-
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