Re: [PATCH v3 00/18] Synaptics RMI4 and SMBus implementation

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On Fri, Nov 04, 2016 at 09:23:48AM +0100, Benjamin Tissoires wrote:
> On Thu, Oct 13, 2016 at 5:50 PM, Benjamin Tissoires
> <benjamin.tissoires@xxxxxxxxxx> wrote:
> > Hi guys,
> >
> > This is the third submission of this series, with some addition of RMI4 patches
> > currently waiting on the list.
> >
> > I integrated Bjorn's patch because in the end, it seems to be the right thing
> > to do. We can create an irqchip in hid-rmi and also provide an IRQ there.
> > Worse case, if this doesn't work, we can always add a special case to
> > disable the handling of the IRQs in core.
> >
> > I took Nick's patch as it's a nice cleanup and it solves an issue where
> > the mutex irq_mutex might not be initialized (in the case we are not handling
> > IRQ directly in core).
> >
> > I also took some patches from Andrew that were submitted back in July, and that
> > were left over. They are required to allow hid-rmi to use rmi4-core without
> > losing functionality. The DT binding seemed to be problematic, so I just lefted
> > it out of the series. We can add it later when required (if required).
> > Andrew, regarding hid-rmi, I'll try to give you a draft of the irqchip
> > implementation based on what I did for SMBus Host Notify.
> >
> > The rest is an update of the SMBus work. The main differences is that now
> > rmi4-smbus doesn't handle anymore the IRQ and I hope that the SMBus Host Notify
> > patches I posted on linux-i2c will be approved by Wolfram.
> 
> I understand you are busy with many other projects, but it would be
> great if we could have this series (or a subset of this series)
> landing ASAP.
> 
> We already have at least 2 machines (the Lenovo X1 Tablet and the HP
> Pavilion x2) that need to be using the function 12 in Synaptics RMI4,
> and so this series is a requirement to enable those touchpads.
> 
> If you really want to postpone the review of the new files in this
> series, I think merging only the following patches would be
> acceptable:
> [v3,01/18] Input: synaptics-rmi4 - Move IRQ handling to rmi_driver
> [v3,02/18] Input: synaptics-rmi4 - factor out functions from probe
> [v3,03/18] Input: synaptics-rmi4 - Handle incomplete input data
> [v3,04/18] Input: synaptics-rmi4 - Add parameters for dribble packets
> and palm detect gesture
> [v3,05/18] Input: synaptics-rmi4 - Add support for controlling dribble
> packets in F12
> [v3,06/18] Input: synaptics-rmi4 - Set the ABS_MT_TOOL_TYPE bit to
> report tool type
> [v3,09/18] Input: synaptics-rmi4 - have only one struct platform data
> [v3,18/18] Input: synaptics-rmi4 - fix documentation of
> rmi_2d_sensor_platform_data
> 
> This is the bare minimum I think to enable the F12 in hid-rmi. It
> should apply gracefully (crossing finger for 9/18), and would allow us
> to switch hid-rmi to rmi4-core.
> 
> I guess Jiri will probably want a stable branch with those commits so
> we can also merge the switch from hid-rmi to use rmi4-core in v4.10.

Hi Benjamin-

Just to say, there's a few other patches that we would be keen to also
get into v4.10 if possible:

These three enable the F54 support to work properly on more devices:

Input: synaptics-rmi4 - stop scanning PDT after two empty pages
https://patchwork.kernel.org/patch/9398323/

Input: synaptics-rmi4 - add support for F55 sensor tuning
https://patchwork.kernel.org/patch/9359055/

Input: synaptics-rmi4 - Propagate correct number of rx and tx electrodes
to F54
https://patchwork.kernel.org/patch/9359059/


I would also be keen to get at least some of the F34 reflash support in:
http://www.spinics.net/lists/linux-input/msg47479.html

Would you be able to merge any of these into your series? I am happy to
do some of the work if you are busy.

cheers

Nick

> > Andrew Duggan (4):
> >   Input: synaptics-rmi4 - Handle incomplete input data
> >   Input: synaptics-rmi4 - Add parameters for dribble packets and palm
> >     detect gesture
> >   Input: synaptics-rmi4 - Add support for controlling dribble packets in
> >     F12
> >   Input: synaptics-rmi4 - Set the ABS_MT_TOOL_TYPE bit to report tool
> >     type
> >
> > Benjamin Tissoires (10):
> >   Input: synaptics-rmi4 - add SMBus support
> >   Input: serio - store the pt_buttons in the struct serio directly
> >   Input: synaptics-rmi4 - have only one struct platform data
> >   Input: synaptics-rmi4 - Add rmi_find_function()
> >   Input: synaptics-rmi4 - f30/f03: Forward mechanical buttons on
> >     buttonpads to PS/2 guest
> >   Input: synaptics - allocate a Synaptics Intertouch device
> >   Input: synaptics-rmi4 - add rmi_platform
> >   Input: synaptics-rmi4 - smbus: call psmouse_deactivate before
> >     binding/resume
> >   Input: synaptics-rmi4 - smbus: on resume, try 3 times if init fails
> >   Input: synaptics-rmi4 - fix documentation of
> >     rmi_2d_sensor_platform_data
> >
> > Bjorn Andersson (1):
> >   Input: synaptics-rmi4 - Move IRQ handling to rmi_driver
> >
> > Dennis Wassenberg (1):
> >   Input: synaptics-rmi4 - f03: grab data passed by transport device
> >
> > Lyude Paul (1):
> >   Input: synaptics-rmi4 - add support for F03
> >
> > Nick Dyer (1):
> >   Input: synaptics-rmi4 - factor out functions from probe
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