Hi Pierre, On Sat, Oct 14, 2017 at 10:21 AM, Pierre-Hugues Husson <phh@xxxxxx> wrote: > As far as I understand, dw_hdmi_cec_enable only gates > the CEC clock inside the Synopsis IP, > but the SOC still has to provide a specific CEC clock to it. > To enable such an external CEC clock, the binding documentation [1] > mentions a "cec" optional clock, and I'm not seeing any code in dw-hdmi > to enable it. Ok, understood. In the case of i.MX6 we control the CEC clock via HDMI_MC_CLKDIS_CECCLK_DISABLE bit inside the Synopsis IP. Looks like Rockchip needs the external CEC clock then. Regards, Fabio Estevam
