diff options
| author | Ondrej Zary <linux@rainbow-software.org> | 2012-07-17 09:16:44 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2012-07-17 10:55:47 +0200 |
| commit | 5dd250728aa4cad49cfa18eb8ed11ba470ce382a (patch) | |
| tree | 186ccaab175f383e80e82c3d3f187fe1d5d161f8 /sound/isa | |
| parent | b4e2a16f992288f1c5cddda1948c53ba3dde9cb3 (diff) | |
| download | linux-5dd250728aa4cad49cfa18eb8ed11ba470ce382a.tar.gz | |
ALSA: snd-opti9xx: Implement suspend/resume
Implement suspend/resume support for Opti 92x and 93x chips. Tested with Opti 929A+AD1848 and Opti 931. Signed-off-by: Ondrej Zary <linux@rainbow-software.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/isa')
| -rw-r--r-- | sound/isa/opti9xx/opti92x-ad1848.c | 67 |
1 files changed, 63 insertions, 4 deletions
diff --git a/sound/isa/opti9xx/opti92x-ad1848.c b/sound/isa/opti9xx/opti92x-ad1848.c index ecc68dfe7b54..d7ce0125dcf2 100644 --- a/sound/isa/opti9xx/opti92x-ad1848.c +++ b/sound/isa/opti9xx/opti92x-ad1848.c @@ -136,8 +136,8 @@ struct snd_opti9xx { #ifdef OPTi93X unsigned long mc_indir_index; struct resource *res_mc_indir; - struct snd_wss *codec; #endif /* OPTi93X */ + struct snd_wss *codec; unsigned long pwd_reg; spinlock_t lock; @@ -870,9 +870,7 @@ static int __devinit snd_opti9xx_probe(struct snd_card *card) &codec); if (error < 0) return error; -#ifdef OPTi93X chip->codec = codec; -#endif error = snd_wss_pcm(codec, 0, &pcm); if (error < 0) return error; @@ -1053,11 +1051,55 @@ static int __devexit snd_opti9xx_isa_remove(struct device *devptr, return 0; } +#ifdef CONFIG_PM +static int snd_opti9xx_suspend(struct snd_card *card) +{ + struct snd_opti9xx *chip = card->private_data; + + snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); + chip->codec->suspend(chip->codec); + return 0; +} + +static int snd_opti9xx_resume(struct snd_card *card) +{ + struct snd_opti9xx *chip = card->private_data; + int error, xdma2; +#if defined(CS4231) || defined(OPTi93X) + xdma2 = dma2; +#else + xdma2 = -1; +#endif + + error = snd_opti9xx_configure(chip, port, irq, dma1, xdma2, + mpu_port, mpu_irq); + if (error) + return error; + chip->codec->resume(chip->codec); + snd_power_change_state(card, SNDRV_CTL_POWER_D0); + return 0; +} + +static int snd_opti9xx_isa_suspend(struct device *dev, unsigned int n, + pm_message_t state) +{ + return snd_opti9xx_suspend(dev_get_drvdata(dev)); +} + +static int snd_opti9xx_isa_resume(struct device *dev, unsigned int n) +{ + return snd_opti9xx_resume(dev_get_drvdata(dev)); +} +#endif + static struct isa_driver snd_opti9xx_driver = { .match = snd_opti9xx_isa_match, .probe = snd_opti9xx_isa_probe, .remove = __devexit_p(snd_opti9xx_isa_remove), - /* FIXME: suspend/resume */ +#ifdef CONFIG_PM + .suspend = snd_opti9xx_isa_suspend, + .resume = snd_opti9xx_isa_resume, +#endif .driver = { .name = DEV_NAME }, @@ -1123,12 +1165,29 @@ static void __devexit snd_opti9xx_pnp_remove(struct pnp_card_link * pcard) snd_opti9xx_pnp_is_probed = 0; } +#ifdef CONFIG_PM +static int snd_opti9xx_pnp_suspend(struct pnp_card_link *pcard, + pm_message_t state) +{ + return snd_opti9xx_suspend(pnp_get_card_drvdata(pcard)); +} + +static int snd_opti9xx_pnp_resume(struct pnp_card_link *pcard) +{ + return snd_opti9xx_resume(pnp_get_card_drvdata(pcard)); +} +#endif + static struct pnp_card_driver opti9xx_pnpc_driver = { .flags = PNP_DRIVER_RES_DISABLE, .name = "opti9xx", .id_table = snd_opti9xx_pnpids, .probe = snd_opti9xx_pnp_probe, .remove = __devexit_p(snd_opti9xx_pnp_remove), +#ifdef CONFIG_PM + .suspend = snd_opti9xx_pnp_suspend, + .resume = snd_opti9xx_pnp_resume, +#endif }; #endif |