[Sansa Clip v2] - Blank Display [RESOLVED]

[saratoga]

http://www.mit.edu/mgg6/www/rockbox-clipv2-lcddelay_25.7z

Longer LCD delay (25, and frequency scaling enabled since that doesn't seem to be the problem). 

[saratoga]

If someone with a display problem on the clip could test that it would be very helpful.

Mihail:  sorry I haven't been working on this lately, I still want to get your patches committed. How do you want to proceed?

[Mihail Zenkov]

IMHO first we should add gui boost - we already have many reports about it. Also we can commit simple bug fix: g#1269, g#1271, g#1273, g#1274, g#1275. Wait for week or two and commit g#1272 and enable voltage scaling.

For g#1270 we need more testing, especially on AMSv1.
g#1276 should be good for commit, but please test it on your players before commit.

[Graham1]

If someone with a display problem on the clip could test that it would be very helpful.

Still showing a blank display after boot.

[Mihail Zenkov]

Probably we need much bigger delay (>=50) as it was in case fuze v2.

[Graham1]

Occasionally, the screen displays after pressing a button but doesn't display instantly like 3.13 did. It's a bit trial and error but usually the longer you leave the clip without pressing a button, the more chance you have of the screen appearing. If you press a button and the screen doesn't display, it doesn't after that.

[saratoga]

Here are two longer delays.  Do either of them work?

http://www.web.mit.edu/mgg6/www/rockbox-clipv2-lcddelay_50.7z
http://www.web.mit.edu/mgg6/www/rockbox-clipv2-lcddelay_100.7z

[Graham1]

Here are two longer delays.  Do either of them work?
http://www.web.mit.edu/mgg6/www/rockbox-clipv2-lcddelay_50.7z
http://www.web.mit.edu/mgg6/www/rockbox-clipv2-lcddelay_100.7z

Blank display on both. Could you confirm I'm applying the correct actions.

1. Use Rockbox Utility 1.4.0 to install boot loader only (development version). Boots as 5.0
2. Extract zip and copy ".rockbox" folder to root of Sansa Clip v2.
3. Waited 50 and 100 secs after each installation.

Pressing the play button after these times did display menu on both these installations.

[saratoga]

You don't need rockbox utility, just to copy the build to the player.  Is that what you were doing?

[Mihail Zenkov]

saratoga: I am very unsure is it related, but can you also add big delay in button_hold (as it was for fuze v2)?

[Graham1]

You don't need rockbox utility, just to copy the build to the player.  Is that what you were doing?

Just wanted to make sure I was using the correct firmware (development, rather than stable) or does that not matter? I usually just delete the ".rockbox" folder on Sansa Clip v2 and then replace (copy/paste) with newer builds.



Edit: Just so I am sure, should these fixes display the menu straight after the Rockbox logo? (like with 3.13).

[Mihail Zenkov]

saratoga: I am very unsure is it related, but can you also add big delay in button_hold (as it was for fuze v2)?

Or you have better idea?

[saratoga]

saratoga: I am very unsure is it related, but can you also add big delay in button_hold (as it was for fuze v2)?

Or you have better idea?

Sorry no, just busy.  Could you give me a patch?  I'm not too familiar with that delay. 

[Mihail Zenkov]

Ok.

[saratoga]

http://web.mit.edu/mgg6/www/rockbox-clipv2-button_hold.7z

Let us know if this works any better.