I'll have someone test it out. Thanks for the patch. On 04/10/2013 01:40 AM, Chung-Yih Wang (王崇懿) wrote: > Hi Eric Miao, James Leddy and Daniel Manrique, > > If possible, could you give it a try for the patch I have on your device(s)? > https://patchwork.kernel.org/patch/2156601/ > > I think we may address similar issue here. The synaptics device may not > respond to the commands in synaptics_reconnect() for stress test of > suspend/resume, so my patch is trying to do > the 'retry' for all requests in the reconnect path if one fails. > > > > On Wed, Feb 20, 2013 at 2:50 AM, Dmitry Torokhov > <dmitry.torok...@gmail.com <mailto:dmitry.torok...@gmail.com>> wrote: > > Hi Chung-yih, > > On Mon, Feb 18, 2013 at 04:40:21PM +0800, Chung-yih Wang wrote: > > On the Samsung Series 5 Chromebook, the Synaptics ClickPad will > sometimes not > > send an "0xFA" PS/2 ACK in response to a command byte during the > reconnect > > sequence following a resume from suspend. From our experiments, > the failure can > > happen during any byte of any of the commands in the reconnect batch. > > > > This failure results in a timeout in the psmouse driver. In > addition, the > > ClickPad will often also respond to the next PS/2 command byte > with an "0xFE" > > PS/2 RESEND response. > > Since you control the firmware of the device can you figure out under > what condition the touchpad does not acknowledge the commands sent to it > and fix it there? > > Thanks. > > -- > Dmitry > >
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