linux-kernel - Re: [PATCH v18 3/3] Input: new da7280 haptic driver

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Message-ID: <20200802115422.GB1090@bug>
Date:   Sun, 2 Aug 2020 13:54:22 +0200
From:   Pavel Machek <pavel@....cz>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:     Roy Im <roy.im.opensource@...semi.com>,
        Uwe Kleine-Koenig <u.kleine-koenig@...gutronix.de>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Brian Masney <masneyb@...tation.org>,
        Greg KH <gregkh@...uxfoundation.org>,
        Lee Jones <lee.jones@...aro.org>, Luca Weiss <luca@...tu.xyz>,
        Maximilian Luz <luzmaximilian@...il.com>,
        Pascal PAILLET-LME <p.paillet@...com>,
        Rob Herring <robh@...nel.org>,
        Samuel Ortiz <sameo@...ux.intel.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Support Opensource <support.opensource@...semi.com>,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-pwm@...r.kernel.org
Subject: Re: [PATCH v18 3/3] Input: new da7280 haptic driver

Hi!

> > +static DEVICE_ATTR_RW(ps_seq_id);
> > +static DEVICE_ATTR_RW(ps_seq_loop);
> > +static DEVICE_ATTR_RW(gpi_seq_id0);
> > +static DEVICE_ATTR_RW(gpi_seq_id1);
> > +static DEVICE_ATTR_RW(gpi_seq_id2);
> > +static DEVICE_ATTR_WO(patterns);
> 
> Should this be a binary attribute instead of having string parsing in
> the kernel?

Plus... is this suitable userland interface? Should it be documetned?
									Pavel

-- 
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