Dear Guennadi Now my board (EcoVec) can use 2 soc-camera (mt9t112 / tw9910), and mt9t112 can attach/detach. If mt9t112 is attached, /dev/video0 = mt9t112 /dev/video1 = tw9910 But if mt9t112 is detached, it will /dev/video0 = tw9910 Now I would like to know which camera is /dev/video0. my /dev/video0 is > ls -l /dev/video0 > crw--w---- 1 root 1000 81, 0 Jun 9 2009 /dev/video0 I cheked 81:0 's name > cat /sys/dev/char/81\:0/name > sh_mobile_ceu.1 Above name is host of soc-camera for me. Are there any way to know camera name (mt9t112/tw9910) ? Best regards -- Kuninori Morimoto -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html