diff options
Diffstat (limited to 'sound/arm')
| -rw-r--r-- | sound/arm/pxa2xx-ac97.c | 10 | ||||
| -rw-r--r-- | sound/arm/pxa2xx-pcm-lib.c | 3 |
2 files changed, 13 insertions, 0 deletions
diff --git a/sound/arm/pxa2xx-ac97.c b/sound/arm/pxa2xx-ac97.c index 9c12563db1c4..b4b48afb6de6 100644 --- a/sound/arm/pxa2xx-ac97.c +++ b/sound/arm/pxa2xx-ac97.c @@ -171,6 +171,13 @@ static int __devinit pxa2xx_ac97_probe(struct platform_device *dev) struct snd_ac97_bus *ac97_bus; struct snd_ac97_template ac97_template; int ret; + pxa2xx_audio_ops_t *pdata = dev->dev.platform_data; + + if (dev->id >= 0) { + dev_err(&dev->dev, "PXA2xx has only one AC97 port.\n"); + ret = -ENXIO; + goto err_dev; + } ret = snd_card_create(SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1, THIS_MODULE, 0, &card); @@ -201,6 +208,8 @@ static int __devinit pxa2xx_ac97_probe(struct platform_device *dev) snprintf(card->longname, sizeof(card->longname), "%s (%s)", dev->dev.driver->name, card->mixername); + if (pdata && pdata->codec_pdata[0]) + snd_ac97_dev_add_pdata(ac97_bus->codec[0], pdata->codec_pdata[0]); snd_card_set_dev(card, &dev->dev); ret = snd_card_register(card); if (ret == 0) { @@ -213,6 +222,7 @@ err_remove: err: if (card) snd_card_free(card); +err_dev: return ret; } diff --git a/sound/arm/pxa2xx-pcm-lib.c b/sound/arm/pxa2xx-pcm-lib.c index 6205f37d547c..743ac6a29065 100644 --- a/sound/arm/pxa2xx-pcm-lib.c +++ b/sound/arm/pxa2xx-pcm-lib.c @@ -136,6 +136,9 @@ int __pxa2xx_pcm_prepare(struct snd_pcm_substream *substream) { struct pxa2xx_runtime_data *prtd = substream->runtime->private_data; + if (!prtd || !prtd->params) + return 0; + DCSR(prtd->dma_ch) &= ~DCSR_RUN; DCSR(prtd->dma_ch) = 0; DCMD(prtd->dma_ch) = 0; |