static void update_power_regs(struct snd_ac97 *ac97);
+#ifdef CONFIG_SND_AC97_POWER_SAVE
+#define ac97_is_power_save_mode(ac97) \
+ ((ac97->scaps & AC97_SCAP_POWER_SAVE) && power_save)
+#else
+#define ac97_is_power_save_mode(ac97) 0
+#endif
+
/*
* I/O routines
{
if (ac97) {
#ifdef CONFIG_SND_AC97_POWER_SAVE
- if (ac97->power_workq)
- destroy_workqueue(ac97->power_workq);
+ cancel_delayed_work(&ac97->power_work);
#endif
snd_ac97_proc_done(ac97);
if (ac97->bus)
mutex_init(&ac97->reg_mutex);
mutex_init(&ac97->page_mutex);
#ifdef CONFIG_SND_AC97_POWER_SAVE
- ac97->power_workq = create_workqueue("ac97");
INIT_DELAYED_WORK(&ac97->power_work, do_update_power);
#endif
udelay(100);
power |= AC97_PD_PR2 | AC97_PD_PR3; /* Analog Mixer powerdown */
snd_ac97_write(ac97, AC97_POWERDOWN, power);
-#ifdef CONFIG_SND_AC97_POWER_SAVE
- if (power_save) {
+ if (ac97_is_power_save_mode(ac97)) {
udelay(100);
/* AC-link powerdown, internal Clk disable */
/* FIXME: this may cause click noises on some boards */
power |= AC97_PD_PR4 | AC97_PD_PR5;
snd_ac97_write(ac97, AC97_POWERDOWN, power);
}
-#endif
}
}
}
- if (power_save && !powerup && ac97->power_workq)
+ if (ac97_is_power_save_mode(ac97) && !powerup)
/* adjust power-down bits after two seconds delay
* (for avoiding loud click noises for many (OSS) apps
* that open/close frequently)
*/
- queue_delayed_work(ac97->power_workq, &ac97->power_work, HZ*2);
- else
+ schedule_delayed_work(&ac97->power_work, HZ*2);
+ else {
+ cancel_delayed_work(&ac97->power_work);
update_power_regs(ac97);
+ }
return 0;
}
unsigned int power_up, bits;
int i;
+ power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC);
+ power_up |= (1 << PWIDX_MIC);
+ if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
+ power_up |= (1 << PWIDX_SURR);
+ if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
+ power_up |= (1 << PWIDX_CLFE);
#ifdef CONFIG_SND_AC97_POWER_SAVE
- if (power_save)
+ if (ac97_is_power_save_mode(ac97))
power_up = ac97->power_up;
- else {
-#endif
- power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC);
- power_up |= (1 << PWIDX_MIC);
- if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
- power_up |= (1 << PWIDX_SURR);
- if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
- power_up |= (1 << PWIDX_CLFE);
-#ifdef CONFIG_SND_AC97_POWER_SAVE
- }
#endif
if (power_up) {
if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) {