On Sat, 7 Jan 2017, Brendan McGrath wrote: > Support for the Asus Touchpad was recently added. It turns out this > device can fail initialisation (and become unusable) when the RESET > command is sent too soon after the POWER ON command. > > Unfortunately the i2c-hid specification does not specify the need for > a delay between these two commands. But it was discovered the Windows > driver has a 1ms delay. > > As a result, this patch modifies the i2c-hid module to add a sleep > inbetween the POWER ON and RESET commands which lasts between 1ms and 5ms. > > See https://github.com/vlasenko/hid-asus-dkms/issues/24 for further > details. > > Signed-off-by: Brendan McGrath <redmcg@xxxxxxxxxxxxxxxxxxx> > --- > Changes since v2: > - added comments to explain the reason for the sleep Applied to for-4.10/upstream-fixes, thanks. -- Jiri Kosina SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
