From: Pavel M. <pa...@uc...> - 2004-09-21 12:45:25
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Hi! > 1) user owns graphics devices > 2) user sets mode with string (or similar) format using ioctl common to > all drivers. > 3) driver is locked to prevent multiple mode sets > 4) common code takes this string and does a hotplug event with it. I though this was "Driver decides to either do it itself in kernel, or call userspace helper if that would be too complex". > How are errors going to be communicated in this scheme? I can cat the > sysfs mode variable to get a status. Is there a good way to do this > without polling? I'd say that write() to that sysfs file can simply return error. See echo disk > /sys/power/state, it returns error if transition failed. Pavel -- People were complaining that M$ turns users into beta-testers... ...jr ghea gurz vagb qrirybcref, naq gurl frrz gb yvxr vg gung jnl! |