static int __devinit pxa2xx_ac97_probe(struct platform_device *dev) { struct snd_card *card; 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); if (ret < 0) goto err; card->dev = &dev->dev; strncpy(card->driver, dev->dev.driver->name, sizeof(card->driver)); ret = pxa2xx_pcm_new(card, &pxa2xx_ac97_pcm_client, &pxa2xx_ac97_pcm); if (ret) goto err; ret = pxa2xx_ac97_hw_probe(dev); if (ret) goto err; ret = snd_ac97_bus(card, 0, &pxa2xx_ac97_ops, NULL, &ac97_bus); if (ret) goto err_remove; memset(&ac97_template, 0, sizeof(ac97_template)); ret = snd_ac97_mixer(ac97_bus, &ac97_template, &pxa2xx_ac97_ac97); if (ret) goto err_remove; snprintf(card->shortname, sizeof(card->shortname), "%s", snd_ac97_get_short_name(pxa2xx_ac97_ac97)); 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) { platform_set_drvdata(dev, card); return 0; } err_remove: pxa2xx_ac97_hw_remove(dev); err: if (card) snd_card_free(card); err_dev: return ret; }
static int ac97_soc_probe(struct platform_device *pdev) { struct snd_soc_device *socdev = platform_get_drvdata(pdev); struct snd_soc_card *card = socdev->card; struct snd_soc_codec *codec; struct snd_ac97_bus *ac97_bus; struct snd_ac97_template ac97_template; int i; int ret = 0; printk(KERN_INFO "AC97 SoC Audio Codec %s\n", AC97_VERSION); socdev->card->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); if (!socdev->card->codec) return -ENOMEM; codec = socdev->card->codec; mutex_init(&codec->mutex); codec->name = "AC97"; codec->owner = THIS_MODULE; codec->dai = &ac97_dai; codec->num_dai = 1; codec->write = ac97_write; codec->read = ac97_read; INIT_LIST_HEAD(&codec->dapm_widgets); INIT_LIST_HEAD(&codec->dapm_paths); /* register pcms */ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); if (ret < 0) goto err; /* add codec as bus device for standard ac97 */ ret = snd_ac97_bus(codec->card, 0, &soc_ac97_ops, NULL, &ac97_bus); if (ret < 0) goto bus_err; memset(&ac97_template, 0, sizeof(struct snd_ac97_template)); ret = snd_ac97_mixer(ac97_bus, &ac97_template, &codec->ac97); if (ret < 0) goto bus_err; for (i = 0; i < card->num_links; i++) { if (card->dai_link[i].codec_dai->ac97_control) { snd_ac97_dev_add_pdata(codec->ac97, card->dai_link[i].cpu_dai->ac97_pdata); } } return 0; bus_err: snd_soc_free_pcms(socdev); err: kfree(socdev->card->codec); socdev->card->codec = NULL; return ret; }