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* twinkie: initialize INAs at startupVincent Palatin2014-06-181-1/+1
| | | | | | | | | | | | | | | | | Disable INA1 to avoid leaking current from VCONN2. Put the calibration in INA0. Signed-off-by: Vincent Palatin <vpalatin@chromium.org> BRANCH=none BUG=chrome-os-partner:28337 TEST=plug Twinkie and measure VBUS current/voltage. Change-Id: I6b063460a86a7a3dd87ec5e3c2c9b992b66db146 Reviewed-on: https://chromium-review.googlesource.com/204468 Commit-Queue: Vincent Palatin <vpalatin@chromium.org> Tested-by: Vincent Palatin <vpalatin@chromium.org> Reviewed-by: Todd Broch <tbroch@chromium.org>
* add INA231 driverVincent Palatin2014-06-031-0/+146
Add a driver for INA231 Power/Current monitoring I2C chip. Signed-off-by: Vincent Palatin <vpalatin@chromium.org> BRANCH=none BUG=chrome-os-partner:28337 TEST=make BOARD=twinkie and run "ina" command on Twinkie. Change-Id: Id322aca74cbb6bbf866aed22e7815c0e01951414 Reviewed-on: https://chromium-review.googlesource.com/202205 Reviewed-by: Todd Broch <tbroch@chromium.org> Commit-Queue: Vincent Palatin <vpalatin@chromium.org> Tested-by: Vincent Palatin <vpalatin@chromium.org>