.disable_i2c_gate_ctrl = 1,
 };
 
-struct drxk_config terratec_h5_drxk = {
+static struct drxk_config terratec_h5_drxk = {
        .adr = 0x29,
        .single_master = 1,
        .no_i2c_bridge = 1,
        .microcode_name = "dvb-usb-terratec-h5-drxk.fw",
 };
 
-struct drxk_config hauppauge_930c_drxk = {
+static struct drxk_config hauppauge_930c_drxk = {
        .adr = 0x29,
        .single_master = 1,
        .no_i2c_bridge = 1,
        .chunk_size = 56,
 };
 
-struct drxk_config maxmedia_ub425_tc_drxk = {
+static struct drxk_config maxmedia_ub425_tc_drxk = {
        .adr = 0x29,
        .single_master = 1,
        .no_i2c_bridge = 1,
 };
 
-struct drxk_config pctv_520e_drxk = {
+static struct drxk_config pctv_520e_drxk = {
        .adr = 0x29,
        .single_master = 1,
        .microcode_name = "dvb-demod-drxk-pctv.fw",