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Commit 5ba1e7b5 authored by Takashi Iwai's avatar Takashi Iwai Committed by Jaroslav Kysela
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[ALSA] maestro3 - Clean up 



Maestro3 driver
- Clean up maestro3 code
- Use msleep()
- Don't enable hw-vol irq when not defined

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 52b72388

sound/pci/maestro3.c

+13 −13
Original line number Diff line number Diff line
@@ -1050,11 +1050,6 @@ static struct m3_hv_quirk m3_hv_quirk_list[] = { 
 * lowlevel functions

 */



#define big_mdelay(msec) do {\

	set_current_state(TASK_UNINTERRUPTIBLE);\

	schedule_timeout(((msec) * HZ) / 1000);\

} while (0)

	

static inline void snd_m3_outw(m3_t *chip, u16 value, unsigned long reg)

{

	outw(value, chip->iobase + reg);
@@ -1096,7 +1091,7 @@ static void snd_m3_assp_write(m3_t *chip, u16 region, u16 index, u16 data) 
static void snd_m3_assp_halt(m3_t *chip)

{

	chip->reset_state = snd_m3_inb(chip, DSP_PORT_CONTROL_REG_B) & ~REGB_STOP_CLOCK;

	big_mdelay(10);

	msleep(10);

	snd_m3_outb(chip, chip->reset_state & ~REGB_ENABLE_RESET, DSP_PORT_CONTROL_REG_B);

}
@@ -2108,9 +2103,9 @@ static void snd_m3_ac97_reset(m3_t *chip) 
	 */

	tmp = inw(io + RING_BUS_CTRL_A);

	outw(RAC_SDFS_ENABLE|LAC_SDFS_ENABLE, io + RING_BUS_CTRL_A);

	big_mdelay(20);

	msleep(20);

	outw(tmp, io + RING_BUS_CTRL_A);

	big_mdelay(50);

	msleep(50);

#endif

}
@@ -2525,9 +2520,13 @@ static void 
snd_m3_enable_ints(m3_t *chip)

{

	unsigned long io = chip->iobase;

	unsigned short val;



	/* TODO: MPU401 not supported yet */

	outw(ASSP_INT_ENABLE | HV_INT_ENABLE /*| MPU401_INT_ENABLE*/, io + HOST_INT_CTRL);

	val = ASSP_INT_ENABLE /*| MPU401_INT_ENABLE*/;

	if (chip->hv_quirk && (chip->hv_quirk->config & HV_CTRL_ENABLE))

		val |= HV_INT_ENABLE;

	outw(val, io + HOST_INT_CTRL);

	outb(inb(io + ASSP_CONTROL_C) | ASSP_HOST_INT_ENABLE,

	     io + ASSP_CONTROL_C);

}
@@ -2589,7 +2588,7 @@ static int m3_suspend(snd_card_t *card, pm_message_t state) 
	snd_pcm_suspend_all(chip->pcm);

	snd_ac97_suspend(chip->ac97);



	big_mdelay(10); /* give the assp a chance to idle.. */

	msleep(10); /* give the assp a chance to idle.. */



	snd_m3_assp_halt(chip);
@@ -2697,6 +2696,8 @@ snd_m3_create(snd_card_t *card, struct pci_dev *pci, 
	}



	spin_lock_init(&chip->reg_lock);

	spin_lock_init(&chip->ac97_lock);



	switch (pci->device) {

	case PCI_DEVICE_ID_ESS_ALLEGRO:

	case PCI_DEVICE_ID_ESS_ALLEGRO_1:
@@ -2765,6 +2766,8 @@ snd_m3_create(snd_card_t *card, struct pci_dev *pci, 
	snd_m3_assp_init(chip);

	snd_m3_amp_enable(chip, 1);



	tasklet_init(&chip->hwvol_tq, snd_m3_update_hw_volume, (unsigned long)chip);



	if (request_irq(pci->irq, snd_m3_interrupt, SA_INTERRUPT|SA_SHIRQ,

			card->driver, (void *)chip)) {

		snd_printk("unable to grab IRQ %d\n", pci->irq);
@@ -2786,9 +2789,6 @@ snd_m3_create(snd_card_t *card, struct pci_dev *pci, 
		return err;

	}



	spin_lock_init(&chip->ac97_lock);

	tasklet_init(&chip->hwvol_tq, snd_m3_update_hw_volume, (unsigned long)chip);



	if ((err = snd_m3_mixer(chip)) < 0)

		return err;