diff options
| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-16 10:13:38 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-16 10:13:38 -0700 |
| commit | fc8a327db6c46de783b1a4276d846841b9abc24c (patch) | |
| tree | bee512c142cccea93511debd98ef954581693727 /sound/soc/s3c24xx/s3c24xx-pcm.c | |
| parent | 92d15c2ccbb3e31a3fc71ad28fdb55e1319383c0 (diff) | |
| parent | 24837e6f249a2c83667552e6871c1543b4a6b934 (diff) | |
Merge branch 'linus' of master.kernel.org:/pub/scm/linux/kernel/git/perex/alsa
* 'linus' of master.kernel.org:/pub/scm/linux/kernel/git/perex/alsa: (264 commits)
[ALSA] version 1.0.15
[ALSA] Fix thinko in cs4231 mce down check
[ALSA] sun-cs4231: improved waiting after MCE down
[ALSA] sun-cs4231: use cs4231-regs.h
[ALSA] This simplifies and fixes waiting loops of the mce_down()
[ALSA] This patch adds support for a wavetable chip on
[ALSA] This patch removes open_mutex from the ad1848-lib as
[ALSA] fix bootup crash in snd_gus_interrupt()
[ALSA] hda-codec - Fix SKU ID function for realtek codecs
[ALSA] Support ASUS P701 eeepc [0x1043 0x82a1] support
[ALSA] hda-codec - Add array terminator for dmic in STAC codec
[ALSA] hdsp - Fix zero division
[ALSA] usb-audio - Fix double comment
[ALSA] hda-codec - Fix STAC922x volume knob control
[ALSA] Changed Jaroslav Kysela's e-mail from perex@suse.cz to perex@perex.cz
[ALSA] hda-codec - Fix for Fujitsu Lifebook C1410
[ALSA] mpu-401: remove MPU401_INFO_UART_ONLY flag
[ALSA] mpu-401: do not require an ACK byte for the ENTER_UART command
[ALSA] via82xx - Add DXS quirk for Shuttle AK31v2
[ALSA] hda-codec - Fix input_mux numbers for vaio stac92xx
...
Diffstat (limited to 'sound/soc/s3c24xx/s3c24xx-pcm.c')
| -rw-r--r-- | sound/soc/s3c24xx/s3c24xx-pcm.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/sound/soc/s3c24xx/s3c24xx-pcm.c b/sound/soc/s3c24xx/s3c24xx-pcm.c index bfbdc3cbd43..4107a87d4de 100644 --- a/sound/soc/s3c24xx/s3c24xx-pcm.c +++ b/sound/soc/s3c24xx/s3c24xx-pcm.c @@ -158,18 +158,22 @@ static int s3c24xx_pcm_hw_params(struct snd_pcm_substream *substream, if (!dma) return 0; - /* prepare DMA */ - prtd->params = dma; + /* this may get called several times by oss emulation + * with different params -HW */ + if (prtd->params == NULL) { + /* prepare DMA */ + prtd->params = dma; - DBG("params %p, client %p, channel %d\n", prtd->params, - prtd->params->client, prtd->params->channel); + DBG("params %p, client %p, channel %d\n", prtd->params, + prtd->params->client, prtd->params->channel); - ret = s3c2410_dma_request(prtd->params->channel, - prtd->params->client, NULL); + ret = s3c2410_dma_request(prtd->params->channel, + prtd->params->client, NULL); - if (ret) { - DBG(KERN_ERR "failed to get dma channel\n"); - return ret; + if (ret) { + DBG(KERN_ERR "failed to get dma channel\n"); + return ret; + } } /* channel needs configuring for mem=>device, increment memory addr, |