Re: [PATCH v3 2/3] Input: add a driver for GPIO controllable vibrators

From: Stephen Boyd
Date: Fri Apr 12 2019 - 13:44:14 EST


Quoting Luca Weiss (2019-04-12 08:06:24)
> diff --git a/drivers/input/misc/gpio-vibra.c b/drivers/input/misc/gpio-vibra.c
> new file mode 100644
> index 000000000000..3fd2dfd4f670
> --- /dev/null
> +++ b/drivers/input/misc/gpio-vibra.c
> @@ -0,0 +1,209 @@
> +
> +static int gpio_vibrator_probe(struct platform_device *pdev)
> +{
[...]
> + vibrator->input->id.bustype = BUS_HOST;
> + vibrator->input->close = gpio_vibrator_close;
> +
> + input_set_drvdata(vibrator->input, vibrator);
> + input_set_capability(vibrator->input, EV_FF, FF_RUMBLE);
> +
> + err = input_ff_create_memless(vibrator->input, NULL,
> + gpio_vibrator_play_effect);
> + if (err) {
> + dev_err(&pdev->dev, "Couldn't create FF dev: %d", err);
> + return err;
> + }
> +
> + err = input_register_device(vibrator->input);
> + if (err) {
> + dev_err(&pdev->dev, "Couldn't register input dev: %d", err);

All the printks in this file need a newline.

> + return err;
> + }
> +
> + platform_set_drvdata(pdev, vibrator);
> +
> + return 0;
> +}
> +
> +
> +#ifdef CONFIG_OF
> +static const struct of_device_id gpio_vibra_dt_match_table[] = {
> + { .compatible = "gpio-vibrator" },
> + {},

Nitpick: Drop the comma on the sentinel so nothing can go after it
without causing a compilation error.

> +};
> +MODULE_DEVICE_TABLE(of, gpio_vibra_dt_match_table);
> +#endif
> +