Mauro/Hans, It turns out au0828 driver does init tuner from its v4l2_fops read and poll. If an analog app comes in and does a read or poll, digital could get disrupted. Do you recommend adding token access to these?? -- Shuah -- Shuah Khan Sr. Linux Kernel Developer Samsung Research America (Silicon Valley) shuahkh@xxxxxxxxxxxxxxx | (970) 217-8978 -- 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