| #!/bin/sh |
| |
| # Copyright (c) 2011 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| # Find device0 on 3.0.x kernels and iio:device0 on 3.2 kernels. |
| for DEVICE in /sys/bus/iio/devices/*; do |
| [ -e $DEVICE/illuminance0_calibbias ] && break; |
| done |
| |
| # Set the light sensor calibration value. |
| echo 4000 > $DEVICE/illuminance0_calibbias |
| |
| # tsl2583 also requires an additional granularity setting here |
| # which needs a power_state transition to take effect. |
| echo 200 > $DEVICE/illuminance0_integration_time |
| echo 0 > $DEVICE/power_state |
| echo 1 > $DEVICE/power_state |
