ISP_CLK_CAM_ICK
r = clk_prepare_enable(isp->clock[ISP_CLK_CAM_ICK]);
clk_disable_unprepare(isp->clock[ISP_CLK_CAM_ICK]);
clk_disable_unprepare(isp->clock[ISP_CLK_CAM_ICK]);
ret = clk_enable(isp->clock[ISP_CLK_CAM_ICK]);
clk_disable(isp->clock[ISP_CLK_CAM_ICK]);