From 30b35399ceb2398d05837863476dcb12f12f3a82 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Wed, 11 Oct 2006 18:52:53 +0200 Subject: [ALSA] Various fixes for suspend/resume of ALSA PCI drivers - Check the return value of pci_enable_device() and request_irq() in the suspend. If any error occurs there, disable the device using snd_card_disconnect(). - Call pci_set_power_state() properly with pci_choose_state(). - Fix the order to call pci_set_power_state(). - Removed obsolete house-made PM codes in some drivers. Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/emu10k1/emu10k1.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) (limited to 'sound/pci/emu10k1') diff --git a/sound/pci/emu10k1/emu10k1.c b/sound/pci/emu10k1/emu10k1.c index 493ec0816bb3..55caf341933a 100644 --- a/sound/pci/emu10k1/emu10k1.c +++ b/sound/pci/emu10k1/emu10k1.c @@ -226,9 +226,9 @@ static int snd_emu10k1_suspend(struct pci_dev *pci, pm_message_t state) snd_emu10k1_done(emu); - pci_set_power_state(pci, PCI_D3hot); pci_disable_device(pci); pci_save_state(pci); + pci_set_power_state(pci, pci_choose_state(pci, state)); return 0; } @@ -237,11 +237,16 @@ static 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_restore_state(pci); + if (pci_enable_device(pci) < 0) { + printk(KERN_ERR "emu10k1: pci_enable_device failed, " + "disabling device\n"); + snd_card_disconnect(card); + return -EIO; + } pci_set_master(pci); - + snd_emu10k1_resume_init(emu); snd_emu10k1_efx_resume(emu); snd_ac97_resume(emu->ac97); -- cgit v1.2.2