Rockbox Development > Feature Ideas
Brightness (While Plugged In)
saratoga:
--- Quote from: torne on February 13, 2010, 01:27:49 PM ---I was going to post and tell you that the brightness doesn't make that much difference, but I just tested it on my ipodvideo and it's a massive difference, for that model at least.
Player idle, backlight off (but LCD on): ~120mW
Player idle, backlight on minimum: ~165mW
Player idle, backlight on maximum: ~410mW
--- End quote ---
Ha I could have told you that LEDs use a LOT of power. Particularly white ones.
tomers:
--- Quote from: Yotto on February 13, 2010, 06:20:16 PM ---@tomers: I cannot say if it's feature bloat or not. I obviously would like it but if nobody else sees a use for it, I'm perfectly willing to do without. Same goes for if nobody feels like doing the work to add it. It's not like I'm offering, and my code likely would need fixing because I'm by no means a programmer.
--- End quote ---
If this feature fixes 'broken' charging, then it is more important than I thought originally. Isn't there any work done ATM to have the iPod draw 500mA from the USB bus? Otherwise, Dimming LCD is just a workaround, doesn't it?
This feature might also be useful for those on-the-go, who want to save their laptops battery, too.
Llorean:
If you wanted to save the laptop's battery, why would you leave the backlight on at all? Wouldn't you instead just have it timeout like normal and only show on button presses?
This feature's really only useful if you're trying to use the player and charge at the same time and for some reason need the backlight dimmer while using it and connected to a charger than when not connected to a charger.
Generally speaking shouldn't the same indoor backlight levels be acceptable when charging and not? If you need to see the screen (for whatever reason) the same level of brightness is generally needed indoors whether or not a cable is connected to the player, right?
torne:
--- Quote from: tomers on February 14, 2010, 03:25:54 AM ---If this feature fixes 'broken' charging, then it is more important than I thought originally. Isn't there any work done ATM to have the iPod draw 500mA from the USB bus? Otherwise, Dimming LCD is just a workaround, doesn't it?
--- End quote ---
It doesn't fix broken charging, even with the backlight off entirely the charging speed is very slow. I'm working on revamping usb charging, yes.
Yotto:
--- Quote from: Llorean on February 14, 2010, 04:26:19 AM ---This feature's really only useful if you're trying to use the player and charge at the same time and for some reason need the backlight dimmer while using it and connected to a charger than when not connected to a charger.
--- End quote ---
Correct. It is a very specific thing I want.
--- Quote ---Generally speaking shouldn't the same indoor backlight levels be acceptable when charging and not? If you need to see the screen (for whatever reason) the same level of brightness is generally needed indoors whether or not a cable is connected to the player, right?
--- End quote ---
Also correct, to a point. I *prefer* a certain brightness level (I think it's 6) but I am *capable of seeing* a lower level (I can read 2, though I wouldn't choose to when navigating menus and the like).
This would allow me to, while at work, have my ipod plugged in and be listening to it, and when a song comes on and I don't know the band I can just glance over and see it. It is merely for convenience. And, in fact, I have little problem just having it on at my normal brightness and accepting that it takes a little longer to get a full battery.
Again, I'm not trying to convince anybody they should do this. I'm merely explaining my reasons for wanting it.
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