On Wed, Feb 1, 2012 at 6:01 AM, Bhupesh SHARMA <bhupesh.sharma@xxxxxx> wrote: > Our board has a I2C controlled camera sensor whose Chip Enable (CE) > pin is driven via a GPIO. This GPIO is made available by a I2C-to-GPIO > expander chip (STMPE801, see user manual [1]) (...) > the I2C controller driver > (we use the standard SYNOPSYS designware device driver present in mainline, > see [3]) returns -ERESTARTSYS in response to the write command we had requested > for putting the sensor to power-off state (as it has received the <ctrl-c> kill > signal). So what happens if you go into the I2C driver and replace all things that look like this: ret = wait_for_completion_interruptible_timeout(&dev->cmd_complete, HZ); With this: ret = wait_for_completion_timeout(&dev->cmd_complete, HZ); (Non-interruptible.) This is usually the problem. Yours, Linus Walleij -- 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
