Re: [PATCH] Input: ili210x - fix return value of is_visible function

From: Sven Van Asbroeck
Date: Mon Feb 10 2020 - 10:07:48 EST


Luca,

Good catch. That's what happens when I post a patch I can't test :)

Reviewed-by: Sven Van Asbroeck <TheSven73@xxxxxxxxx>

On Sun, Feb 9, 2020 at 9:58 AM Luca Weiss <luca@xxxxxxxxx> wrote:
>
> The is_visible function expects the permissions associated with an
> attribute of the sysfs group or 0 if an attribute is not visible.
>
> Change the code to return the attribute permissions when the attribute
> should be visible which resolves the warning:
>
> Attribute calibrate: Invalid permissions 01
>
> Fixes: cc12ba1872c6 ("Input: ili210x - optionally show calibrate sysfs attribute")
> Signed-off-by: Luca Weiss <luca@xxxxxxxxx>
> ---
> drivers/input/touchscreen/ili210x.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/input/touchscreen/ili210x.c b/drivers/input/touchscreen/ili210x.c
> index 37526baff8a6..199cf3daec10 100644
> --- a/drivers/input/touchscreen/ili210x.c
> +++ b/drivers/input/touchscreen/ili210x.c
> @@ -351,7 +351,7 @@ static umode_t ili210x_calibrate_visible(struct kobject *kobj,
> struct i2c_client *client = to_i2c_client(dev);
> struct ili210x *priv = i2c_get_clientdata(client);
>
> - return priv->chip->has_calibrate_reg;
> + return priv->chip->has_calibrate_reg ? attr->mode : 0;
> }
>
> static const struct attribute_group ili210x_attr_group = {
> --
> 2.25.0
>