imgu_css_irq_ack  192 drivers/staging/media/ipu3/ipu3-css.h int imgu_css_irq_ack(struct imgu_css *css);
imgu_css_irq_ack  584 drivers/staging/media/ipu3/ipu3.c 	if (imgu_css_irq_ack(&imgu->css) < 0)