joystick: Fix spurious battery empty events when opening a Shield controller
diff --git a/src/joystick/hidapi/SDL_hidapi_shield.c b/src/joystick/hidapi/SDL_hidapi_shield.c
index ef27cb9..c6d77de 100644
--- a/src/joystick/hidapi/SDL_hidapi_shield.c
+++ b/src/joystick/hidapi/SDL_hidapi_shield.c
@@ -155,6 +155,7 @@ HIDAPI_DriverShield_OpenJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joysti
joystick->epowerlevel = SDL_JOYSTICK_POWER_UNKNOWN;
/* Request battery and charging info */
+ ctx->battery_level = SDL_JOYSTICK_POWER_UNKNOWN;
ctx->last_battery_query_time = SDL_GetTicks();
HIDAPI_DriverShield_SendCommand(device, CMD_CHARGE_STATE, NULL, 0);
HIDAPI_DriverShield_SendCommand(device, CMD_BATTERY_STATE, NULL, 0);