diff options
| author | Nicolas Boichat <drinkcat@chromium.org> | 2017-10-18 10:05:56 +0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2017-10-20 06:08:58 -0700 |
| commit | ccfc005fa414a6faa45a4168e27669b62abe1d5d (patch) | |
| tree | eb69eb883b846d0aac0dd0e94c5402fa968961d6 /include/charger.h | |
| parent | 6336a7c7515867dc50a4a813e99324741630e455 (diff) | |
| download | chrome-ec-ccfc005fa414a6faa45a4168e27669b62abe1d5d.tar.gz | |
isl9238: Add support for providing power using OTG
BRANCH=none
BUG=b:66575472
TEST=Flash lux and wand, wand can provide power to lux.
Signed-off-by: Nicolas Boichat <drinkcat@chromium.org>
Change-Id: I59091c509b78bacf9f382550ab380a77fbf68ba9
Reviewed-on: https://chromium-review.googlesource.com/725122
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
Diffstat (limited to 'include/charger.h')
| -rw-r--r-- | include/charger.h | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/include/charger.h b/include/charger.h index a9f4f41fbd..16f7c3cbd0 100644 --- a/include/charger.h +++ b/include/charger.h @@ -65,12 +65,28 @@ int charger_get_status(int *status); int charger_set_mode(int mode); /** - * For chargers that are able to supply 5V output power for OTG dongle, this - * function enables or disables 5V power output. + * For chargers that are able to supply output power for OTG dongle, this + * function enables or disables power output. */ int charger_enable_otg_power(int enabled); /** + * Sets OTG current limit and voltage (independent of whether OTG power is + * currently enabled). + * + * Depending on the charger and use case, one needs to be careful about + * changing the current/voltage while OTG power is enabled, and it might be wise + * to reset the value before enabling OTG power to ensure one does not provide + * excessive voltage to a device. + * + * @param output_current Requested current limit in mA. + * @param output_voltage Requested voltage in mV. + * + * @return EC_SUCCESS on success, an error otherwise. + */ +int charger_set_otg_current_voltage(int output_current, int output_voltage); + +/** * Return the closest match the charger can supply to the requested current. * * @param current Requested current in mA. |