Re: [PATCH 3/3] synaptics: Change min/max quirk table to pnp-id matching

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On Mon, May 26, 2014 at 01:47:31PM +0200, Hans de Goede wrote:
> Hi Dmitry,
> 
> On 05/19/2014 10:51 AM, Hans de Goede wrote:
> > Hi,
> > 
> > On 05/18/2014 10:35 PM, Dmitry Torokhov wrote:
> >> On Fri, May 16, 2014 at 08:46:49PM +0200, Hans de Goede wrote:
> >>> Most of the affected models share pnp-ids for the touchpad. So switching
> >>> to pnp-ids give us 2 advantages:
> >>> 1) It shrinks the quirk list
> >>> 2) It will lower the new quirk addition frequency, ie the recently added W540
> >>>    quirk would not have been necessary since it uses the same LEN0034 pnp ids
> >>>    as other models already added before it
> >>>
> >>> As an added bonus it actually puts the quirk on the actual psmouse, rather then
> >>> on the machine, which is technically more correct.
> >>>
> >>> Cc: stable@xxxxxxxxxxxxxxx
> >>> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
> >>> ---
> >>>  drivers/input/mouse/synaptics.c | 149 ++++++++++------------------------------
> >>>  1 file changed, 36 insertions(+), 113 deletions(-)
> >>>
> >>> diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
> >>> index 395ec9c..c5ec703 100644
> >>> --- a/drivers/input/mouse/synaptics.c
> >>> +++ b/drivers/input/mouse/synaptics.c
> >>> @@ -117,6 +117,31 @@ void synaptics_reset(struct psmouse *psmouse)
> >>>  }
> >>>  
> >>>  #ifdef CONFIG_MOUSE_PS2_SYNAPTICS
> >>> +struct min_max_quirk {
> >>> +	const char * const *pnp_ids;
> >>> +	int x_min, x_max, y_min, y_max;
> >>> +};
> >>
> >>
> >> Why don't we define this as 1 quirk per PNP id?
> >>
> >> struct min_max_quirk {
> >> 	const char *pnp_id;
> >> 	int x_min, x_max, y_min, y_max;
> >> };
> >>
> >> ?
> > 
> > 1) I thought it would be better to allow multiple ids for one min/max quad,
> > since there seem to only be a few types of touchpads out there, which are
> > sometimes referenced to by multiple ids. IE LEN0034 and LEN2004 refer to the
> > exact same touchpad (exact same firmware and board id). Also this way we avoid
> > people adding entries with values which are slightly off since determining
> > the min/max range on a single model will give some noise.
> > 
> > 2) This way we can use one helper function for the matching for both the
> > INPUT_PROP_TOPBUTTONPAD quirks and for the min/max quirks.
> 
> I've not heard back from you on this, does that mean that you are ok with
> taking this patch-set as is ?

Hans,

Yes, I applied it.

Thanks.

-- 
Dmitry
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