Ignore spurious HV interrupts during suspend / resume, this avoids
mistaking them for a mute button press. This is not very pretty but
it seems the only way to fix the master volume control gets muted
after suspend issue I'm seeing. Note that the es1968 driver is doing
exactly the same.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
struct snd_kcontrol *master_switch;
struct snd_kcontrol *master_volume;
struct tasklet_struct hwvol_tq;
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;
#ifdef CONFIG_PM
u16 *suspend_mem;
outb(0x88, chip->iobase + SHADOW_MIX_REG_MASTER);
outb(0x88, chip->iobase + HW_VOL_COUNTER_MASTER);
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;
if (!chip->master_switch || !chip->master_volume)
return;
if (chip->suspend_mem == NULL)
return 0;
if (chip->suspend_mem == NULL)
return 0;
snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
snd_pcm_suspend_all(chip->pcm);
snd_ac97_suspend(chip->ac97);
snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
snd_pcm_suspend_all(chip->pcm);
snd_ac97_suspend(chip->ac97);
snd_m3_hv_init(chip);
snd_power_change_state(card, SNDRV_CTL_POWER_D0);
snd_m3_hv_init(chip);
snd_power_change_state(card, SNDRV_CTL_POWER_D0);
return 0;
}
#endif /* CONFIG_PM */
return 0;
}
#endif /* CONFIG_PM */