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authorZoltan Devai <zdevai@gmail.com>2008-11-02 18:30:28 -0500
committerTakashi Iwai <tiwai@suse.de>2008-11-03 02:57:25 -0500
commitb02555c3845f02924b8224ff1fd9a44f2c144dbb (patch)
treecc69e7bb4ba63f8a68ed4a5a87c354402d791e4b /sound/drivers
parent219df32faec97349516c29f33008fea59a46e99a (diff)
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>
Diffstat (limited to 'sound/drivers')
-rw-r--r--sound/drivers/pcsp/pcsp_input.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/sound/drivers/pcsp/pcsp_input.c b/sound/drivers/pcsp/pcsp_input.c
index cd9b83e7f7d..0444cdeb4be 100644
--- a/sound/drivers/pcsp/pcsp_input.c
+++ b/sound/drivers/pcsp/pcsp_input.c
@@ -24,13 +24,13 @@ static void pcspkr_do_sound(unsigned int count)
24 spin_lock_irqsave(&i8253_lock, flags); 24 spin_lock_irqsave(&i8253_lock, flags);
25 25
26 if (count) { 26 if (count) {
27 /* enable counter 2 */
28 outb_p(inb_p(0x61) | 3, 0x61);
29 /* set command for counter 2, 2 byte write */ 27 /* set command for counter 2, 2 byte write */
30 outb_p(0xB6, 0x43); 28 outb_p(0xB6, 0x43);
31 /* select desired HZ */ 29 /* select desired HZ */
32 outb_p(count & 0xff, 0x42); 30 outb_p(count & 0xff, 0x42);
33 outb((count >> 8) & 0xff, 0x42); 31 outb((count >> 8) & 0xff, 0x42);
32 /* enable counter 2 */
33 outb_p(inb_p(0x61) | 3, 0x61);
34 } else { 34 } else {
35 /* disable counter 2 */ 35 /* disable counter 2 */
36 outb(inb_p(0x61) & 0xFC, 0x61); 36 outb(inb_p(0x61) & 0xFC, 0x61);