msp_set_scart
msp_set_scart(client, sc_in, 0);
msp_set_scart(client, sc1_out, 1);
msp_set_scart(client, sc2_out, 2);
void msp_set_scart(struct i2c_client *client, int in, int out);
msp_set_scart(client, SCART_MONO, 0);