Tehn Yit Chin wrote: > Hi all, > > How does one use the sysfs entry of power/state that I can find for each > registered device? Eg, for the i2c device on my s3c2410 cpu, I find the > following entry, > > /sys/devices/platform/s3c2410-i2c/power/state > > I tried echoing "mem" into it, but nothing seems to happen. > > What I am looking for is a way of suspending and resuming individual > devices within the PM architecture? > > Any pointers would be greatly appreciated. After reading through the mailing list archives, I sort of work it out. ie echo -n 1 > /sys/devices/platform/s3c2410-i2c/power/state puts the device into suspend mode. However, the driver's behaviour doesn't change if I echo a different number into it. What does this number suppose to do? Tehn Yit Chin Software Engineer, Grey Innovation Pty. Ltd.
