static void hda_tegra_probe_work(struct work_struct *work)
{
struct hda_tegra *hda = container_of(work, struct hda_tegra, probe_work);
struct azx *chip = &hda->chip;
struct platform_device *pdev = to_platform_device(hda->dev);
int err;
pm_runtime_get_sync(hda->dev);
err = hda_tegra_first_init(chip, pdev);
if (err < 0)
goto out_free;
/* create codec instances */
err = azx_probe_codecs(chip, 8);
if (err < 0)
goto out_free;
err = azx_codec_configure(chip);
if (err < 0)
goto out_free;
err = snd_card_register(chip->card);
if (err < 0)
goto out_free;
chip->running = 1;
snd_hda_set_power_save(&chip->bus, power_save * 1000);
out_free:
pm_runtime_put(hda->dev);
return; /* no error return from async probe */
}
static int hda_tegra_probe(struct platform_device *pdev)
{
struct snd_card *card;
struct azx *chip;
struct hda_tegra *hda;
int err;
const unsigned int driver_flags = AZX_DCAPS_RIRB_DELAY;
hda = devm_kzalloc(&pdev->dev, sizeof(*hda), GFP_KERNEL);
if (!hda)
return -ENOMEM;
hda->dev = &pdev->dev;
chip = &hda->chip;
err = snd_card_new(&pdev->dev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1,
THIS_MODULE, 0, &card);
if (err < 0) {
dev_err(&pdev->dev, "Error creating card!\n");
return err;
}
err = hda_tegra_create(card, driver_flags, &hda_tegra_ops, hda);
if (err < 0)
goto out_free;
card->private_data = chip;
dev_set_drvdata(&pdev->dev, card);
err = hda_tegra_first_init(chip, pdev);
if (err < 0)
goto out_free;
/* create codec instances */
err = azx_codec_create(chip, NULL, 0, &power_save);
if (err < 0)
goto out_free;
err = azx_codec_configure(chip);
if (err < 0)
goto out_free;
/* create PCM streams */
err = snd_hda_build_pcms(chip->bus);
if (err < 0)
goto out_free;
/* create mixer controls */
err = azx_mixer_create(chip);
if (err < 0)
goto out_free;
err = snd_card_register(chip->card);
if (err < 0)
goto out_free;
chip->running = 1;
power_down_all_codecs(chip);
hda_tegra_notifier_register(chip);
return 0;
out_free:
snd_card_free(card);
return err;
}