On Fri, Apr 27, 2012 at 07:43:50PM +0200, Hans Verkuil wrote: > Hi all, > > I'm cleaning up some USB FM radio drivers and I realized that I need to know > in the disconnect callback whether I'm called due to a module unload or due > to an unplug event. You shouldn't care. > In the first case I need to first mute the audio output of the device, in the > second case I can skip that. Why? The "mute" operation would just fail if the device isn't present, no problem. > I can just try and always mute the device but that results in a error message > in the case the device is unplugged. Then don't display that error message :) > Is there a field I can test somewhere to detect what caused the disconnect? No, sorry, you shouldn't really do anything different here the driver does not know the difference, nor should it. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
