FIFO1_THRESHOLD 264 drivers/iio/adc/ti_am335x_adc.c dma->fifo_thresh = rounddown(FIFO1_THRESHOLD + 1, FIFO1_THRESHOLD 635 drivers/iio/adc/ti_am335x_adc.c tiadc_writel(adc_dev, REG_FIFO1THR, FIFO1_THRESHOLD);