return -EINVAL;
}
+ snd_ac97_update_power(ac97, reg, 1);
switch (reg) {
case AC97_PCM_MIC_ADC_RATE:
if ((ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_VRM) == 0) /* MIC VRA */
return 0;
}
+EXPORT_SYMBOL(snd_ac97_set_rate);
+
static unsigned short get_pslots(struct snd_ac97 *ac97, unsigned char *rate_table, unsigned short *spdif_slots)
{
if (!ac97_is_audio(ac97))
return 0;
}
+EXPORT_SYMBOL(snd_ac97_pcm_assign);
+
/**
* snd_ac97_pcm_open - opens the given AC97 pcm
* @pcm: the ac97 pcm instance
goto error;
}
}
+ pcm->cur_dbl = r;
spin_unlock_irq(&pcm->bus->bus_lock);
for (i = 3; i < 12; i++) {
if (!(slots & (1 << i)))
return err;
}
+EXPORT_SYMBOL(snd_ac97_pcm_open);
+
/**
* snd_ac97_pcm_close - closes the given AC97 pcm
* @pcm: the ac97 pcm instance
unsigned short slots = pcm->aslots;
int i, cidx;
+#ifdef CONFIG_SND_AC97_POWER_SAVE
+ int r = pcm->cur_dbl;
+ for (i = 3; i < 12; i++) {
+ if (!(slots & (1 << i)))
+ continue;
+ for (cidx = 0; cidx < 4; cidx++) {
+ if (pcm->r[r].rslots[cidx] & (1 << i)) {
+ int reg = get_slot_reg(pcm, cidx, i, r);
+ snd_ac97_update_power(pcm->r[r].codec[cidx],
+ reg, 0);
+ }
+ }
+ }
+#endif
+
bus = pcm->bus;
spin_lock_irq(&pcm->bus->bus_lock);
for (i = 3; i < 12; i++) {
bus->used_slots[pcm->stream][cidx] &= ~(1 << i);
}
pcm->aslots = 0;
+ pcm->cur_dbl = 0;
spin_unlock_irq(&pcm->bus->bus_lock);
return 0;
}
+EXPORT_SYMBOL(snd_ac97_pcm_close);
+
static int double_rate_hw_constraint_rate(struct snd_pcm_hw_params *params,
struct snd_pcm_hw_rule *rule)
{
SNDRV_PCM_HW_PARAM_RATE, -1);
return err;
}
+
+EXPORT_SYMBOL(snd_ac97_pcm_double_rate_rules);