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: Zoltan Devai <zdevai@gmail.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
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@ -24,13 +24,13 @@ static void pcspkr_do_sound(unsigned int count)
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spin_lock_irqsave(&i8253_lock, flags);
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if (count) {
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/* enable counter 2 */
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outb_p(inb_p(0x61) | 3, 0x61);
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/* set command for counter 2, 2 byte write */
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outb_p(0xB6, 0x43);
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/* select desired HZ */
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outb_p(count & 0xff, 0x42);
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outb((count >> 8) & 0xff, 0x42);
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/* enable counter 2 */
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outb_p(inb_p(0x61) | 3, 0x61);
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} else {
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/* disable counter 2 */
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outb(inb_p(0x61) & 0xFC, 0x61);
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