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Commit 11ca9afc authored by Takashi Iwai's avatar Takashi Iwai Committed by Jaroslav Kysela
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[ALSA] als4000 - Fix kernel panic with MPU401 



ALS4000 driver
Fix kernel panic with als4000 when MPU401 is accessed.

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent af081613

sound/pci/als4000.c

+1 −1
Original line number Diff line number Diff line
@@ -367,7 +367,7 @@ static irqreturn_t snd_als4000_interrupt(int irq, void *dev_id, struct pt_regs * 
	if ((gcr_status & 0x40) && (chip->capture_substream)) /* capturing */

		snd_pcm_period_elapsed(chip->capture_substream);

	if ((gcr_status & 0x10) && (chip->rmidi)) /* MPU401 interrupt */

		snd_mpu401_uart_interrupt(irq, chip->rmidi, regs);

		snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data, regs);

	/* release the gcr */

	outb(gcr_status, chip->alt_port + 0xe);