IRQ_S3C244x_AC97 253 sound/soc/s3c24xx/s3c2443-ac97.c ret = request_irq(IRQ_S3C244x_AC97, s3c2443_ac97_irq, IRQ_S3C244x_AC97 267 sound/soc/s3c24xx/s3c2443-ac97.c free_irq(IRQ_S3C244x_AC97, NULL);