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Subject: Re: Soft lock and screen/lcd activation

Re: Soft lock and screen/lcd activation

From: Amaury Pouly <>
Date: Wed, 5 Jun 2013 09:32:24 +0200

I have implemented radio lock here:
Can someone please review it ? Otherwise I will just commit it soon.

Amaury Pouly

2013/3/12 Jonathan Gordon <>

> On 12 March 2013 02:42, Amaury Pouly <> wrote:
>> Hi all,
>> As you know, many of our targets features a "soft-lock" in the WPS which
>> locks all the keys except the unlock key, to prevent accidental changes.
>> This is a very useful feature but recent targets like the Fuze+ have shown
>> that it is too limited in two ways:
>> 1) Only in WPS
>> This feature only exists in the WPS screen, which kind of make sense if
>> you listen to music but this is not the only screen where it would be
>> useful. One of the most asked one is the radio screen where you currently
>> cannot lock the keys.
>> 2) Doesn't prevent screen activation
>> Another problem which is more specific to the Fuze+ is that it features a
>> touchpad which you can easily touch, and thus will constantly activate the
>> screen/lcd. This is bad for the battery life and this is also very
>> annoying. That's precisely why most phones on the market just won't respond
>> to touch events when locked and you'll need to touch a physical buttons to
>> activate it again. I think it would be very sensible to have such a feature
>> in Rockbox too.
>> To sum up, what many *users* would like to see is:
>> * lock in radio screen (at least)
>> * lock which disables the screen until a physical button is hit (with a
>> setting)
>> Maybe it is time to discuss about these issues and try to fix them. I
>> would be willing to help but I must say this is mostly related to part of
>> the code I don't know about so help would be greatly appreciated.
>> Please share you opinion,
>> Amaury Pouly
> There is nothing magical about making this work. Just OR ALLOW_SOFTLOCK to
> the fm screens action context and add a keymapping for ACTION_STD_KEYLOCK
> to the relevant keymap table. Now to make the backlight work how you want
> you just need to notify the firmware/ code that the buttons should be
> "locked", add a softlock_buttons_lock(bool lock) to firmware/button.c and
> hook the backlight up to that.
> Jonathan
Received on 2013-06-05

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