diff options
Diffstat (limited to 'sound/isa/sb/es968.c')
| -rw-r--r-- | sound/isa/sb/es968.c | 53 |
1 files changed, 42 insertions, 11 deletions
diff --git a/sound/isa/sb/es968.c b/sound/isa/sb/es968.c index c859917c14d..9da80bfa302 100644 --- a/sound/isa/sb/es968.c +++ b/sound/isa/sb/es968.c @@ -58,6 +58,7 @@ MODULE_PARM_DESC(dma8, "8-bit DMA # for es968 driver."); struct snd_card_es968 { struct pnp_dev *dev; + struct snd_sb *chip; }; static struct pnp_card_device_id snd_es968_pnpids[] = { @@ -72,7 +73,7 @@ MODULE_DEVICE_TABLE(pnp_card, snd_es968_pnpids); static irqreturn_t snd_card_es968_interrupt(int irq, void *dev_id, struct pt_regs *regs) { - sb_t *chip = dev_id; + struct snd_sb *chip = dev_id; if (chip->open & SB_OPEN_PCM) { return snd_sb8dsp_interrupt(chip); @@ -128,14 +129,14 @@ static int __init snd_card_es968_probe(int dev, const struct pnp_card_device_id *pid) { int error; - sb_t *chip; - snd_card_t *card; + struct snd_sb *chip; + struct snd_card *card; struct snd_card_es968 *acard; if ((card = snd_card_new(index[dev], id[dev], THIS_MODULE, sizeof(struct snd_card_es968))) == NULL) return -ENOMEM; - acard = (struct snd_card_es968 *)card->private_data; + acard = card->private_data; if ((error = snd_card_es968_pnp(dev, acard, pcard, pid))) { snd_card_free(card); return error; @@ -151,6 +152,7 @@ static int __init snd_card_es968_probe(int dev, snd_card_free(card); return error; } + acard->chip = chip; if ((error = snd_sb8dsp_pcm(chip, 0, NULL)) < 0) { snd_card_free(card); @@ -200,30 +202,59 @@ static int __devinit snd_es968_pnp_detect(struct pnp_card_link *card, static void __devexit snd_es968_pnp_remove(struct pnp_card_link * pcard) { - snd_card_t *card = (snd_card_t *) pnp_get_card_drvdata(pcard); + snd_card_free(pnp_get_card_drvdata(pcard)); + pnp_set_card_drvdata(pcard, NULL); +} + +#ifdef CONFIG_PM +static int snd_es968_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state) +{ + struct snd_card *card = pnp_get_card_drvdata(pcard); + struct snd_card_es968 *acard = card->private_data; + struct snd_sb *chip = acard->chip; - snd_card_disconnect(card); - snd_card_free_in_thread(card); + snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); + snd_pcm_suspend_all(chip->pcm); + snd_sbmixer_suspend(chip); + return 0; } +static int snd_es968_pnp_resume(struct pnp_card_link *pcard) +{ + struct snd_card *card = pnp_get_card_drvdata(pcard); + struct snd_card_es968 *acard = card->private_data; + struct snd_sb *chip = acard->chip; + + snd_sbdsp_reset(chip); + snd_sbmixer_resume(chip); + snd_power_change_state(card, SNDRV_CTL_POWER_D0); + return 0; +} +#endif + static struct pnp_card_driver es968_pnpc_driver = { .flags = PNP_DRIVER_RES_DISABLE, .name = "es968", .id_table = snd_es968_pnpids, .probe = snd_es968_pnp_detect, .remove = __devexit_p(snd_es968_pnp_remove), +#ifdef CONFIG_PM + .suspend = snd_es968_pnp_suspend, + .resume = snd_es968_pnp_resume, +#endif }; static int __init alsa_card_es968_init(void) { int cards = pnp_register_card_driver(&es968_pnpc_driver); -#ifdef MODULE - if (cards == 0) { + if (cards <= 0) { pnp_unregister_card_driver(&es968_pnpc_driver); +#ifdef MODULE snd_printk(KERN_ERR "no ES968 based soundcards found\n"); - } #endif - return cards ? 0 : -ENODEV; + return -ENODEV; + } + return 0; } static void __exit alsa_card_es968_exit(void) |