mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-26 09:26:48 +02:00
fc54b9bf15
(stable-branch of Openmoko) git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13613 3c298f89-4303-0410-b956-a3cf2f4a3e73
86 lines
2.8 KiB
Diff
86 lines
2.8 KiB
Diff
From 1179eb1bf9d827aaa2b4b6adc4ba135bf9074bcc Mon Sep 17 00:00:00 2001
|
|
From: mokopatches <mokopatches@openmoko.org>
|
|
Date: Sun, 13 Apr 2008 07:23:53 +0100
|
|
Subject: [PATCH] s3c24xx-pcm-suspend.patch
|
|
|
|
---
|
|
sound/soc/s3c24xx/s3c24xx-pcm.c | 48 ++++++++++++++++++++------------------
|
|
1 files changed, 25 insertions(+), 23 deletions(-)
|
|
|
|
diff --git a/sound/soc/s3c24xx/s3c24xx-pcm.c b/sound/soc/s3c24xx/s3c24xx-pcm.c
|
|
index 4107a87..e9f3b60 100644
|
|
--- a/sound/soc/s3c24xx/s3c24xx-pcm.c
|
|
+++ b/sound/soc/s3c24xx/s3c24xx-pcm.c
|
|
@@ -49,7 +49,9 @@ static const struct snd_pcm_hardware s3c24xx_pcm_hardware = {
|
|
.info = SNDRV_PCM_INFO_INTERLEAVED |
|
|
SNDRV_PCM_INFO_BLOCK_TRANSFER |
|
|
SNDRV_PCM_INFO_MMAP |
|
|
- SNDRV_PCM_INFO_MMAP_VALID,
|
|
+ SNDRV_PCM_INFO_MMAP_VALID |
|
|
+ SNDRV_PCM_INFO_PAUSE |
|
|
+ SNDRV_PCM_INFO_RESUME,
|
|
.formats = SNDRV_PCM_FMTBIT_S16_LE |
|
|
SNDRV_PCM_FMTBIT_U16_LE |
|
|
SNDRV_PCM_FMTBIT_U8 |
|
|
@@ -176,28 +178,6 @@ static int s3c24xx_pcm_hw_params(struct snd_pcm_substream *substream,
|
|
}
|
|
}
|
|
|
|
- /* channel needs configuring for mem=>device, increment memory addr,
|
|
- * sync to pclk, half-word transfers to the IIS-FIFO. */
|
|
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
|
|
- s3c2410_dma_devconfig(prtd->params->channel,
|
|
- S3C2410_DMASRC_MEM, S3C2410_DISRCC_INC |
|
|
- S3C2410_DISRCC_APB, prtd->params->dma_addr);
|
|
-
|
|
- s3c2410_dma_config(prtd->params->channel,
|
|
- prtd->params->dma_size,
|
|
- S3C2410_DCON_SYNC_PCLK |
|
|
- S3C2410_DCON_HANDSHAKE);
|
|
- } else {
|
|
- s3c2410_dma_config(prtd->params->channel,
|
|
- prtd->params->dma_size,
|
|
- S3C2410_DCON_HANDSHAKE |
|
|
- S3C2410_DCON_SYNC_PCLK);
|
|
-
|
|
- s3c2410_dma_devconfig(prtd->params->channel,
|
|
- S3C2410_DMASRC_HW, 0x3,
|
|
- prtd->params->dma_addr);
|
|
- }
|
|
-
|
|
s3c2410_dma_set_buffdone_fn(prtd->params->channel,
|
|
s3c24xx_audio_buffdone);
|
|
|
|
@@ -246,6 +226,28 @@ static int s3c24xx_pcm_prepare(struct snd_pcm_substream *substream)
|
|
if (!prtd->params)
|
|
return 0;
|
|
|
|
+ /* channel needs configuring for mem=>device, increment memory addr,
|
|
+ * sync to pclk, half-word transfers to the IIS-FIFO. */
|
|
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
|
|
+ s3c2410_dma_devconfig(prtd->params->channel,
|
|
+ S3C2410_DMASRC_MEM, S3C2410_DISRCC_INC |
|
|
+ S3C2410_DISRCC_APB, prtd->params->dma_addr);
|
|
+
|
|
+ s3c2410_dma_config(prtd->params->channel,
|
|
+ prtd->params->dma_size,
|
|
+ S3C2410_DCON_SYNC_PCLK |
|
|
+ S3C2410_DCON_HANDSHAKE);
|
|
+ } else {
|
|
+ s3c2410_dma_config(prtd->params->channel,
|
|
+ prtd->params->dma_size,
|
|
+ S3C2410_DCON_HANDSHAKE |
|
|
+ S3C2410_DCON_SYNC_PCLK);
|
|
+
|
|
+ s3c2410_dma_devconfig(prtd->params->channel,
|
|
+ S3C2410_DMASRC_HW, 0x3,
|
|
+ prtd->params->dma_addr);
|
|
+ }
|
|
+
|
|
/* flush the DMA channel */
|
|
s3c2410_dma_ctrl(prtd->params->channel, S3C2410_DMAOP_FLUSH);
|
|
prtd->dma_loaded = 0;
|
|
--
|
|
1.5.6.5
|
|
|