On Wed, 04 Mar 2015 10:19:08 +0100
Bastien Nocera <hadess@xxxxxxxxxx> wrote:
> On Wed, 2015-03-04 at 11:34 +0300, Aleksei Mamlin wrote:
> > This patch adds device tree support for 5-finger chips, like GT911
> > and GT912.
>
> You should add the same support to the ACPI matching.
Hi Bastien,
I never seen ACPI ids for GT911 or GT912. It seems they are used only on Andriod tablets.
>
> <snip>
> > #ifdef CONFIG_OF
> > static struct of_device_id goodix_of_match[] = {
> > - { .compatible = "goodix,gt9110" },
> > - { .compatible = "goodix,gt927" },
> > - { .compatible = "goodix,gt9271" },
> > - { .compatible = "goodix,gt928" },
> > - { .compatible = "goodix,gt967" },
> > + { .compatible = "goodix,gt911", .data = (void *) 5 },
> > + { .compatible = "goodix,gt9110", .data = (void *) 10 },
>
> There's no need to add "10" for these tablets as it's already the
> GOODIX_MAX_CONTACTS value. Or you need to add it to every instance.
Antonio Ospite showed me another way to set the max number of touch points.
>
> I would also like a link to the spec sheets in the commit message.
>
> > + { .compatible = "goodix,gt912", .data = (void *) 5 },
> > + { .compatible = "goodix,gt927", .data = (void *) 10 },
> > + { .compatible = "goodix,gt9271", .data = (void *) 10 },
> > + { .compatible = "goodix,gt928", .data = (void *) 10 },
> > + { .compatible = "goodix,gt967", .data = (void *) 10 },
> > { }
> > };
> > MODULE_DEVICE_TABLE(of, goodix_of_match);
--
Thanks and regards,
Aleksei Mamlin
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