diff options
| author | Andres Salomon <dilinger@debian.org> | 2007-09-03 15:42:52 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2007-10-16 15:59:53 +0200 |
| commit | 1caae3682e2a712b64ce682702ed56bb3dc9f435 (patch) | |
| tree | fa2d7a04f358f59e2869df8689edfa464e8cf75c | |
| parent | 222fa0b0d2fdb2373a71d532c2cabd2ec920b3b3 (diff) | |
[ALSA] cs5535audio: update PCI device handling in suspend/resume
Save the PCI state before disabling the device, and add some error checking.
Signed-off-by: Andres Salomon <dilinger@debian.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
| -rw-r--r-- | sound/pci/cs5535audio/cs5535audio_pm.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/sound/pci/cs5535audio/cs5535audio_pm.c b/sound/pci/cs5535audio/cs5535audio_pm.c index 9a4e84aa3e0..838708f6d45 100644 --- a/sound/pci/cs5535audio/cs5535audio_pm.c +++ b/sound/pci/cs5535audio/cs5535audio_pm.c @@ -74,8 +74,11 @@ int snd_cs5535audio_suspend(struct pci_dev *pci, pm_message_t state) /* save important regs, then disable aclink in hw */ snd_cs5535audio_stop_hardware(cs5535au); + if (pci_save_state(pci)) { + printk(KERN_ERR "cs5535audio: pci_save_state failed!\n"); + return -EIO; + } pci_disable_device(pci); - pci_save_state(pci); pci_set_power_state(pci, pci_choose_state(pci, state)); return 0; } @@ -89,7 +92,12 @@ int snd_cs5535audio_resume(struct pci_dev *pci) int i; pci_set_power_state(pci, PCI_D0); - pci_restore_state(pci); + if (pci_restore_state(pci) < 0) { + printk(KERN_ERR "cs5535audio: pci_restore_state failed, " + "disabling device\n"); + snd_card_disconnect(card); + return -EIO; + } if (pci_enable_device(pci) < 0) { printk(KERN_ERR "cs5535audio: pci_enable_device failed, " "disabling device\n"); |