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SubjectRe: [PATCH v6 1/2] iio: proximity: Add driver support for ST's VL53L0X ToF ranging sensor.
On Sat, Sep 22, 2018 at 03:46:58PM +0100, Jonathan Cameron wrote:
> On Tue, 18 Sep 2018 16:24:21 +0800
> Song Qiang <songqiang1304521@gmail.com> wrote:
>
> > This driver was originally written by ST in 2016 as a misc input device
> > driver, and hasn't been maintained for a long time. I grabbed some code
> > from it's API and reformed it into an iio proximity device driver.
> > This version of driver uses i2c bus to talk to the sensor and
> > polling for measuring completes, so no irq line is needed.
> > It can be tested with reading from
> > /sys/bus/iio/devices/iio:deviceX/in_distance_input
> >
> > Signed-off-by: Song Qiang <songqiang1304521@gmail.com>
> There are a few bits and bobs in here, but as they are all minor and
> one at least was me giving you wrong advise, I've fixed it up.
>
> Please check I haven't made a mess of it!
>
> Applied with changes to the togreg branch of iio.git and pushed out
> as testing (where it should be visible now) for the autobuilders to
> play with it.
>
> Thanks,
>
> Jonathan
> > ---

> > + indio_dev->name = "vl53l0x";
> > + indio_dev->info = &vl53l0x_info;
> > + indio_dev->channels = vl53l0x_channels;
> > + indio_dev->num_channels = ARRAY_SIZE(vl53l0x_channels);
> > + indio_dev->modes = INDIO_DIRECT_MODE;
> > +
> > + return devm_iio_device_register(&client->dev, indio_dev);
> > +}
> > +
> > +static const struct of_device_id st_vl53l0x_dt_match[] = {
> > + { .compatible = "st,vl53l0x-i2c", },
>
> Ah, this suffers from the same thing that was picked up in a driver
> you sent later in the week. No need to have -i2c in the compatible
> as this is clear from the bus type.
>
> (I might just fix this up).
>

Hi Jonathan,

Sorry for the newbie mistakes you and Himanshu pointed out, I'm just
writing them down on my little checklist!
I just checked the code, found that this compatible string was not
getting corrected in the DT binding doc file, sorry that you have
to help correct my mistakes, thanks a lot!

yours,
Song Qiang

> > + { }
> > +};
> > +MODULE_DEVICE_TABLE(of, st_vl53l0x_dt_match);
> > +
> > +static struct i2c_driver vl53l0x_driver = {
> > + .driver = {
> > + .name = "vl53l0x-i2c",
> > + .of_match_table = st_vl53l0x_dt_match,
> > + },
> > + .probe_new = vl53l0x_probe,
> > +};
> > +module_i2c_driver(vl53l0x_driver);
> > +
> > +MODULE_AUTHOR("Song Qiang <songqiang1304521@gmail.com>");
> > +MODULE_DESCRIPTION("ST vl53l0x ToF ranging sensor driver");
> > +MODULE_LICENSE("GPL v2");
>

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