From 1caae3682e2a712b64ce682702ed56bb3dc9f435 Mon Sep 17 00:00:00 2001 From: Andres Salomon Date: Mon, 3 Sep 2007 15:42:52 +0200 Subject: [PATCH] [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 Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/cs5535audio/cs5535audio_pm.c | 12 ++++++++++-- 1 file 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"); -- 2.11.4.GIT