[ALSA] emu10k1 - Add PM support
Modules: EMU10K1/EMU10K2 driver
Add PM support to emu10k1 driver.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/emu10k1/emu10k1.c b/sound/pci/emu10k1/emu10k1.c
index 9be9002..2dfa932 100644
--- a/sound/pci/emu10k1/emu10k1.c
+++ b/sound/pci/emu10k1/emu10k1.c
@@ -125,65 +125,43 @@
if ((err = snd_emu10k1_create(card, pci, extin[dev], extout[dev],
(long)max_buffer_size[dev] * 1024 * 1024,
enable_ir[dev], subsystem[dev],
- &emu)) < 0) {
- snd_card_free(card);
- return err;
- }
- if ((err = snd_emu10k1_pcm(emu, 0, NULL)) < 0) {
- snd_card_free(card);
- return err;
- }
- if ((err = snd_emu10k1_pcm_mic(emu, 1, NULL)) < 0) {
- snd_card_free(card);
- return err;
- }
- if ((err = snd_emu10k1_pcm_efx(emu, 2, NULL)) < 0) {
- snd_card_free(card);
- return err;
- }
+ &emu)) < 0)
+ goto error;
+ card->private_data = emu;
+ if ((err = snd_emu10k1_pcm(emu, 0, NULL)) < 0)
+ goto error;
+ if ((err = snd_emu10k1_pcm_mic(emu, 1, NULL)) < 0)
+ goto error;
+ if ((err = snd_emu10k1_pcm_efx(emu, 2, NULL)) < 0)
+ goto error;
/* This stores the periods table. */
if (emu->card_capabilities->ca0151_chip) { /* P16V */
- if(snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci), 1024, &emu->p16v_buffer) < 0) {
- snd_p16v_free(emu);
- return -ENOMEM;
- }
+ if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
+ 1024, &emu->p16v_buffer)) < 0)
+ goto error;
}
- if ((err = snd_emu10k1_mixer(emu, 0, 3)) < 0) {
- snd_card_free(card);
- return err;
- }
+ if ((err = snd_emu10k1_mixer(emu, 0, 3)) < 0)
+ goto error;
- if ((err = snd_emu10k1_timer(emu, 0)) < 0) {
- snd_card_free(card);
- return err;
- }
+ if ((err = snd_emu10k1_timer(emu, 0)) < 0)
+ goto error;
- if ((err = snd_emu10k1_pcm_multi(emu, 3, NULL)) < 0) {
- snd_card_free(card);
- return err;
- }
- if (emu->card_capabilities->ca0151_chip) { /* P16V */
- if ((err = snd_p16v_pcm(emu, 4, NULL)) < 0) {
- snd_card_free(card);
- return err;
- }
+ if ((err = snd_emu10k1_pcm_multi(emu, 3, NULL)) < 0)
+ goto error;
+ if (emu->card_capabilities->ca0151_chip) { /* P16V */
+ if ((err = snd_p16v_pcm(emu, 4, NULL)) < 0)
+ goto error;
}
if (emu->audigy) {
- if ((err = snd_emu10k1_audigy_midi(emu)) < 0) {
- snd_card_free(card);
- return err;
- }
+ if ((err = snd_emu10k1_audigy_midi(emu)) < 0)
+ goto error;
} else {
- if ((err = snd_emu10k1_midi(emu)) < 0) {
- snd_card_free(card);
- return err;
- }
+ if ((err = snd_emu10k1_midi(emu)) < 0)
+ goto error;
}
- if ((err = snd_emu10k1_fx8010_new(emu, 0, NULL)) < 0) {
- snd_card_free(card);
- return err;
- }
+ if ((err = snd_emu10k1_fx8010_new(emu, 0, NULL)) < 0)
+ goto error;
#ifdef ENABLE_SYNTH
if (snd_seq_device_new(card, 1, SNDRV_SEQ_DEV_ID_EMU10K1_SYNTH,
sizeof(struct snd_emu10k1_synth_arg), &wave) < 0 ||
@@ -206,13 +184,16 @@
"%s (rev.%d, serial:0x%x) at 0x%lx, irq %i",
card->shortname, emu->revision, emu->serial, emu->port, emu->irq);
- if ((err = snd_card_register(card)) < 0) {
- snd_card_free(card);
- return err;
- }
+ if ((err = snd_card_register(card)) < 0)
+ goto error;
+
pci_set_drvdata(pci, card);
dev++;
return 0;
+
+ error:
+ snd_card_free(card);
+ return err;
}
static void __devexit snd_card_emu10k1_remove(struct pci_dev *pci)
@@ -221,11 +202,68 @@
pci_set_drvdata(pci, NULL);
}
+
+#ifdef CONFIG_PM
+static int snd_emu10k1_suspend(struct pci_dev *pci, pm_message_t state)
+{
+ struct snd_card *card = pci_get_drvdata(pci);
+ struct snd_emu10k1 *emu = card->private_data;
+
+ snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
+
+ snd_pcm_suspend_all(emu->pcm);
+ snd_pcm_suspend_all(emu->pcm_mic);
+ snd_pcm_suspend_all(emu->pcm_efx);
+ snd_pcm_suspend_all(emu->pcm_multi);
+ snd_pcm_suspend_all(emu->pcm_p16v);
+
+ snd_ac97_suspend(emu->ac97);
+
+ snd_emu10k1_efx_suspend(emu);
+ snd_emu10k1_suspend_regs(emu);
+ if (emu->card_capabilities->ca0151_chip)
+ snd_p16v_suspend(emu);
+
+ snd_emu10k1_done(emu);
+
+ pci_set_power_state(pci, PCI_D3hot);
+ pci_disable_device(pci);
+ pci_save_state(pci);
+ return 0;
+}
+
+int snd_emu10k1_resume(struct pci_dev *pci)
+{
+ struct snd_card *card = pci_get_drvdata(pci);
+ struct snd_emu10k1 *emu = card->private_data;
+
+ pci_restore_state(pci);
+ pci_enable_device(pci);
+ pci_set_power_state(pci, PCI_D0);
+ pci_set_master(pci);
+
+ snd_emu10k1_resume_init(emu);
+ snd_emu10k1_efx_resume(emu);
+ snd_ac97_resume(emu->ac97);
+ snd_emu10k1_resume_regs(emu);
+
+ if (emu->card_capabilities->ca0151_chip)
+ snd_p16v_resume(emu);
+
+ snd_power_change_state(card, SNDRV_CTL_POWER_D0);
+ return 0;
+}
+#endif
+
static struct pci_driver driver = {
.name = "EMU10K1_Audigy",
.id_table = snd_emu10k1_ids,
.probe = snd_card_emu10k1_probe,
.remove = __devexit_p(snd_card_emu10k1_remove),
+#ifdef CONFIG_PM
+ .suspend = snd_emu10k1_suspend,
+ .resume = snd_emu10k1_resume,
+#endif
};
static int __init alsa_card_emu10k1_init(void)