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SubjectRe: HTC: touchscreen driver

> >        if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
> >                printk(KERN_ERR "synaptics_ts_probe: need I2C_FUNC_I2C\n");
> > @@ -269,6 +354,9 @@ static int synaptics_ts_probe(
> >        pdata = client->dev.platform_data;
> >        if (pdata)
> >                ts->power = pdata->power;
> > +       else
> > +               pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
> > +
>
> Where do you free this?

Well, nowhere; but it should not actually matter. ... btw can this
path (!pdata) actually trigger? The driver will not be working,
anyway, in that case..

> > -       if (ts->use_irq)
> > -               enable_irq(client->irq);
> > -
> > -       if (!ts->use_irq)
> > -               hrtimer_start(&ts->timer, ktime_set(1, 0), HRTIMER_MODE_REL);
> > -       else
> > -               i2c_smbus_write_byte_data(ts->client, 0xf1, 0x01); /* enable abs int */
> > -
> > -       return 0;
> > -}
>
> Why did you remove suspend and resume?

I thought it depended on earlysuspend.


> >  static const struct i2c_device_id synaptics_ts_id[] = {
> >        { SYNAPTICS_I2C_RMI_NAME, 0 },
> > @@ -600,10 +515,6 @@ static const struct i2c_device_id synaptics_ts_id[] = {
> >  static struct i2c_driver synaptics_ts_driver = {
> >        .probe          = synaptics_ts_probe,
> >        .remove         = synaptics_ts_remove,
> > -#ifndef CONFIG_HAS_EARLYSUSPEND
> > -       .suspend        = synaptics_ts_suspend,
> > -       .resume         = synaptics_ts_resume,
> > -#endif
>
> Remove #ifndef only, not the content.

Aha, I see; yes, my fault.

> > +       u32 flags;
> > +       u32 inactive_left; /* 0x10000 = screen width */
> > +       u32 inactive_right; /* 0x10000 = screen width */
> > +       u32 inactive_top; /* 0x10000 = screen height */
> > +       u32 inactive_bottom; /* 0x10000 = screen height */
> > +       u32 snap_left_on; /* 0x10000 = screen width */
> > +       u32 snap_left_off; /* 0x10000 = screen width */
> > +       u32 snap_right_on; /* 0x10000 = screen width */
> > +       u32 snap_right_off; /* 0x10000 = screen width */
> > +       u32 snap_top_on; /* 0x10000 = screen height */
> > +       u32 snap_top_off; /* 0x10000 = screen height */
> > +       u32 snap_bottom_on; /* 0x10000 = screen height */
> > +       u32 snap_bottom_off; /* 0x10000 = screen height */
> > +       u32 fuzz_x; /* 0x10000 = screen width */
> > +       u32 fuzz_y; /* 0x10000 = screen height */
>
> I prefer the existing C99 types.

Yes, well, the rest of kernel disagrees with you.

> This driver only supports a subset of Synaptics' devices so a more
> generic driver will eventually be needed. The patch below adds support
> for a more recent but similar panel.

Ok, that should be simple enough to apply, but lets do improvements
when we cleaned the code enough for the mainline...?
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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