diff options
Diffstat (limited to 'drivers/power/axp221.c')
| -rw-r--r-- | drivers/power/axp221.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/power/axp221.c b/drivers/power/axp221.c index 3e07f23c20..c2c3988804 100644 --- a/drivers/power/axp221.c +++ b/drivers/power/axp221.c @@ -385,6 +385,22 @@ int axp221_get_sid(unsigned int *sid) return 0; } +int axp_get_vbus(void) +{ + int ret; + u8 val; + + ret = axp221_init(); + if (ret) + return ret; + + ret = pmic_bus_read(AXP221_POWER_STATUS, &val); + if (ret) + return ret; + + return (val & AXP221_POWER_STATUS_VBUS_USABLE) ? 1 : 0; +} + static int axp_drivebus_setup(void) { int ret; |
