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-rw-r--r--board/spring/usb_charging.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/board/spring/usb_charging.c b/board/spring/usb_charging.c
index 787c128c08..2125dc8ec3 100644
--- a/board/spring/usb_charging.c
+++ b/board/spring/usb_charging.c
@@ -361,7 +361,12 @@ void board_pwm_duty_cycle(int percent)
void board_pwm_init_limit(void)
{
- board_pwm_duty_cycle(I_LIMIT_500MA);
+ /*
+ * put a high initial limit to avoid browning out the system
+ * when we turn on charging, lower power bricks might cut off
+ * but we will re-enable them with a lower limit later.
+ */
+ board_pwm_duty_cycle(I_LIMIT_2400MA);
}
/**