vcnl4200_channel 81 drivers/iio/light/vcnl4000.c struct vcnl4200_channel vcnl4200_al; vcnl4200_channel 82 drivers/iio/light/vcnl4000.c struct vcnl4200_channel vcnl4200_ps; vcnl4200_channel 237 drivers/iio/light/vcnl4000.c struct vcnl4200_channel *chan, int *val)