adv7175_write_block
adv7175_write_block(sd, init_common, sizeof(init_common));
adv7175_write_block(sd, init_ntsc, sizeof(init_ntsc));
adv7175_write_block(sd, init_pal, sizeof(init_pal));
adv7175_write_block(sd, init_pal, sizeof(init_pal));
i = adv7175_write_block(sd, init_common, sizeof(init_common));