linux-kernel - Re: [RFC] Limiting charge current on Droid 4 (and N900)

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Message-ID: <20200629155515.GR37466@atomide.com>
Date:   Mon, 29 Jun 2020 08:55:15 -0700
From:   Tony Lindgren <tony@...mide.com>
To:     Pavel Machek <pavel@....cz>
Cc:     kernel list <linux-kernel@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-omap@...r.kernel.org, sre@...nel.org, nekit1000@...il.com,
        mpartap@....net, merlijn@...zup.org, martin_rysavy@...trum.cz,
        linux-pm@...r.kernel.org
Subject: Re: [RFC] Limiting charge current on Droid 4 (and N900)

* Pavel Machek <pavel@....cz> [200615 07:06]:
> Hi!
> 
> Droid 4 has same problem as N900: it is often neccessary to manually
> tweak current draw from USB, for example when using thin charging cable.
> 
> N900 creates unique attribute by hand, but I believe
> POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT looks suitable. (Should N900 be
> converted?)
> 
> Comments? Would the patch be acceptable after fixing whitespace?

Looks OK to me. Until we have better charger vs host vs usb3 charging hub
detection in place this seems like a good thing to do.

Regards,

Tony