summaryrefslogtreecommitdiffstats
path: root/sound/pci
diff options
context:
space:
mode:
Diffstat (limited to 'sound/pci')
-rw-r--r--sound/pci/maestro3.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/sound/pci/maestro3.c b/sound/pci/maestro3.c
index 728de232e09..b56e3367678 100644
--- a/sound/pci/maestro3.c
+++ b/sound/pci/maestro3.c
@@ -849,6 +849,7 @@ struct snd_m3 {
struct snd_kcontrol *master_switch;
struct snd_kcontrol *master_volume;
struct tasklet_struct hwvol_tq;
+ unsigned int in_suspend;
#ifdef CONFIG_PM
u16 *suspend_mem;
@@ -1614,6 +1615,11 @@ static void snd_m3_update_hw_volume(unsigned long private_data)
outb(0x88, chip->iobase + SHADOW_MIX_REG_MASTER);
outb(0x88, chip->iobase + HW_VOL_COUNTER_MASTER);
+ /* Ignore spurious HV interrupts during suspend / resume, this avoids
+ mistaking them for a mute button press. */
+ if (chip->in_suspend)
+ return;
+
if (!chip->master_switch || !chip->master_volume)
return;
@@ -2425,6 +2431,7 @@ static int m3_suspend(struct pci_dev *pci, pm_message_t state)
if (chip->suspend_mem == NULL)
return 0;
+ chip->in_suspend = 1;
snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
snd_pcm_suspend_all(chip->pcm);
snd_ac97_suspend(chip->ac97);
@@ -2498,6 +2505,7 @@ static int m3_resume(struct pci_dev *pci)
snd_m3_hv_init(chip);
snd_power_change_state(card, SNDRV_CTL_POWER_D0);
+ chip->in_suspend = 0;
return 0;
}
#endif /* CONFIG_PM */