RE: [PATCH v18 12/12] input: cyapa: add acpi device id support

[Dudley Du]

> -----Original Message-----
> From: Dmitry Torokhov [mailto:dmitry.torokhov@xxxxxxxxx]
> Sent: 2015?1?18? 16:28
> To: Dudley Du
> Cc: jmmahler@xxxxxxxxx; rydberg@xxxxxxxxxxx; bleung@xxxxxxxxxx;
> linux-input@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx
> Subject: Re: [PATCH v18 12/12] input: cyapa: add acpi device id support
>
> On Fri, Jan 16, 2015 at 02:34:15PM +0800, Dudley Du wrote:
> > Add acpi device tree support.
> > acpi device id "CYAP0000" is for old gen3 trackpad devices.
> > acpi device id "CYAP0001" is for new gen5 trackpad devices.
> > TEST=test on Chromebooks.
> >
> > Signed-off-by: Dudley Du <dudl@xxxxxxxxxxx>
> > ---
> >  drivers/input/mouse/cyapa.c | 13 +++++++++++++
> >  1 file changed, 13 insertions(+)
> >
> > diff --git a/drivers/input/mouse/cyapa.c b/drivers/input/mouse/cyapa.c
> > index 5f9b24a..9dc9f65 100644
> > --- a/drivers/input/mouse/cyapa.c
> > +++ b/drivers/input/mouse/cyapa.c
> > @@ -24,6 +24,7 @@
> >  #include <linux/slab.h>
> >  #include <linux/uaccess.h>
> >  #include <linux/pm_runtime.h>
> > +#include <linux/acpi.h>
> >  #include "cyapa.h"
> >
> >
> > @@ -1356,11 +1357,23 @@ static const struct i2c_device_id cyapa_id_table[] = {
> >  };
> >  MODULE_DEVICE_TABLE(i2c, cyapa_id_table);
> >
> > +#ifdef CONFIG_ACPI
> > +static const struct acpi_device_id cyapa_acpi_id[] = {
> > +{ "CYAP0000", 0 },  /* Gen3 trackpad with 0x67 I2C address. */
> > +{ "CYAP0001", 0 },  /* Gen5 trackpad with 0x24 I2C address. */
> > +{ }
> > +};
> > +MODULE_DEVICE_TABLE(acpi, cyapa_acpi_id);
> > +#endif
> > +
> >  static struct i2c_driver cyapa_driver = {
> >  .driver = {
> >  .name = "cyapa",
> >  .owner = THIS_MODULE,
> >  .pm = &cyapa_pm_ops,
> > +#ifdef CONFIG_ACPI
> > +.acpi_match_table = ACPI_PTR(cyapa_acpi_id),
>
> I do not think you should guard it with CONFIG_ACPI, so I dropped it.

Thanks.

>
> > +#endif
> >  },
> >
> >  .probe = cyapa_probe,
> > --
> > 1.9.1
> >
>
> Thanks.
>
> --
> Dmitry

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