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| author | Simon Glass <sjg@chromium.org> | 2021-07-05 16:32:49 -0600 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2021-07-21 10:27:34 -0600 |
| commit | 201efb2bb0f7c4ae5f08f51b6f6b7cdfdba5b4f4 (patch) | |
| tree | 6026b80c95198250f84aa76701c47770f552948b /include | |
| parent | ecc1ed912e4400b19783d4bd384914597c4a3679 (diff) | |
| download | u-boot-201efb2bb0f7c4ae5f08f51b6f6b7cdfdba5b4f4.zip u-boot-201efb2bb0f7c4ae5f08f51b6f6b7cdfdba5b4f4.tar.gz u-boot-201efb2bb0f7c4ae5f08f51b6f6b7cdfdba5b4f4.tar.bz2 | |
cros_ec: Allow reading the battery-charge state
Add a function to read this information from the EC. It is useful for
determining whether the battery has enough charge to boot.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/cros_ec.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/cros_ec.h b/include/cros_ec.h index 9396b4d..9dab6cd 100644 --- a/include/cros_ec.h +++ b/include/cros_ec.h @@ -652,4 +652,12 @@ int cros_ec_vstore_read(struct udevice *dev, int slot, uint8_t *data); int cros_ec_vstore_write(struct udevice *dev, int slot, const uint8_t *data, size_t size); +/** + * cros_ec_read_batt_charge() - Read the battery-charge state + * + * @dev: CROS-EC device + * @chargep: Return battery-charge state as a percentage + */ +int cros_ec_read_batt_charge(struct udevice *dev, uint *chargep); + #endif |