hdmi_vendor_infoframe_pack
err = hdmi_vendor_infoframe_pack(&frame, buffer, sizeof(buffer));
ret = hdmi_vendor_infoframe_pack(&frm.vendor.hdmi, buf,
err = hdmi_vendor_infoframe_pack(&frame, buffer, sizeof(buffer));
ret = hdmi_vendor_infoframe_pack(&infoframe, buffer, sizeof(buffer));
err = hdmi_vendor_infoframe_pack(&frame, buffer, sizeof(buffer));
EXPORT_SYMBOL(hdmi_vendor_infoframe_pack);
ssize_t hdmi_vendor_infoframe_pack(struct hdmi_vendor_infoframe *frame,