[ Upstream commitc46a9ee5c6] Use IC status regfield to rewrite the 'get_staus' function. The original one cannot cover some special scenario like as charger OTG or JEITA case. Fixes:4a1a5f6781("power: supply: rt9471: Add Richtek RT9471 charger driver") Reported-by: Lucas Tsai <lucas_tsai@richtek.com> Signed-off-by: ChiYuan Huang <cy_huang@richtek.com> Link: https://lore.kernel.org/r/67ba92bb4a9c51d9cafadab30b788a3a2c3048e1.1727252762.git.cy_huang@richtek.com Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> Signed-off-by: Sasha Levin <sashal@kernel.org>