ALSA: lola - Implement polling_mode like hd-audio (fe4af1b5) · Commits · e / devices / android_kernel_sony_msm8994

sound/pci/lola/lola.c

+11 −1

Original line number	Original line	Diff line number	Diff line
	@@ -153,8 +153,14 @@ static int rirb_get_response(struct lola chip, unsigned int val,
	{		{
	unsigned long timeout;		unsigned long timeout;

			again:
	timeout = jiffies + msecs_to_jiffies(1000);		timeout = jiffies + msecs_to_jiffies(1000);
	for (;;) {		for (;;) {
			if (chip->polling_mode) {
			spin_lock_irq(&chip->reg_lock);
			lola_update_rirb(chip);
			spin_unlock_irq(&chip->reg_lock);
			}
	if (!chip->rirb.cmds) {		if (!chip->rirb.cmds) {
	*val = chip->res;		*val = chip->res;
	if (extval)		if (extval)
	@@ -175,9 +181,13 @@ static int rirb_get_response(struct lola chip, unsigned int val,
	break;		break;
	udelay(20);		udelay(20);
	cond_resched();		cond_resched();
	lola_update_rirb(chip);
	}		}
	printk(KERN_WARNING SFX "RIRB response error\n");		printk(KERN_WARNING SFX "RIRB response error\n");
			if (!chip->polling_mode) {
			printk(KERN_WARNING SFX "switching to polling mode\n");
			chip->polling_mode = 1;
			goto again;
			}
	return -EIO;		return -EIO;
	}		}

+3 −2