Input: ili210x - fix return value of is_visible function
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: cc12ba18 ("Input: ili210x - optionally show calibrate sysfs attribute") Signed-off-by: Luca Weiss <luca@z3ntu.xyz> Reviewed-by: Sven Van Asbroeck <TheSven73@gmail.com> Link: https://lore.kernel.org/r/20200209145628.649409-1-luca@z3ntu.xyz Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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