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Commit b02555c3 authored by Zoltan Devai's avatar Zoltan Devai Committed by Takashi Iwai
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ALSA: Fix PIT lockup on some chipsets when using the PC-Speaker 



Fix PIT lockup on some chipsets when using the PC-Speaker.

Signed-off-by: default avatarZoltan Devai <zdevai@gmail.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 219df32f

sound/drivers/pcsp/pcsp_input.c

+2 −2
Original line number Diff line number Diff line
@@ -24,13 +24,13 @@ static void pcspkr_do_sound(unsigned int count) 
	spin_lock_irqsave(&i8253_lock, flags);



	if (count) {

		/* enable counter 2 */

		outb_p(inb_p(0x61) | 3, 0x61);

		/* set command for counter 2, 2 byte write */

		outb_p(0xB6, 0x43);

		/* select desired HZ */

		outb_p(count & 0xff, 0x42);

		outb((count >> 8) & 0xff, 0x42);

		/* enable counter 2 */

		outb_p(inb_p(0x61) | 3, 0x61);

	} else {

		/* disable counter 2 */

		outb(inb_p(0x61) & 0xFC, 0x61);