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AGPTEK Rocker

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pechenyh:

--- Quote from: wodz on June 21, 2018, 02:49:03 PM ---Anyone can confirm this? I can't reproduce. Anyway which player (T6, Rocker v1, Rocker v2), which original firmware version? Are you able to hook ADB?

--- End quote ---

Benjie T6, same problem. Original firmware 【AGPTEK】ROCKER UPT1.2

wodz:

--- Quote from: Dulus_No on June 22, 2018, 06:36:31 AM ---echo 1 - backlight off, screen still displays (usb plug image) and stops refreshing (time on status bar).
echo 0 - backlight on, screen is frozen (still displays usb image), can blindly navigate and play music.

--- End quote ---

So something is wrong with linux driver then. Besides it is strange you can easily see something on lcd with backlight off. Could you try to upgrade OF to 1.4 (patched with rockbox bootloader of course)?

Dulus_No:

--- Quote from: wodz on June 22, 2018, 07:22:31 AM ---So something is wrong with linux driver then. Besides it is strange you can easily see something on lcd with backlight off. Could you try to upgrade OF to 1.4 (patched with rockbox bootloader of course)?

--- End quote ---
Where can I get that version?
Found it.
Hmmm... 1.4 and 1.3 files are identical to 1.1 file.
Edit:
Checked with patched 1.1, 1.06beta and 1.05beta - no difference, same reactions as
--- Quote from: Dulus_No on June 22, 2018, 06:36:31 AM ---echo 1 - backlight off, screen still displays (usb plug image) and stops refreshing (time on status bar).
echo 0 - backlight on, screen is frozen (still displays usb image), can blindly navigate and play music.

--- End quote ---
Edit2: Found 1.04beta (Benjie version) and got the same reaction (on patched).

speachy:
Another couple of bugaboos:

 * Plugging in USB _power_ always sends rockbox into "usb storage" mode, halting any playback and locking the buttons.  Holding select down when plugging in avoids this.
 * Holding down select when plugging it into a PC still results in the SD card being remotely mounted/accessible, even while rockbox is still actively playing.  This causes ...problems.

(BTW, I now have ADB running properly; turned out to be a bug in ADB itself, fixed in a newer version than I had running)

speachy:

--- Quote from: wodz on June 21, 2018, 02:22:56 AM ---
--- Quote from: pizza on June 20, 2018, 07:25:04 PM ---BTW, one more for the bug/quirk list -- When audio playback starts (or resumes) there is sometimes an audible pop/click -- Several theories (codec automatically going into powersave mode?) but no way to really confirm anything since I still can't get ADB to work.  (Is there some trick involved beyond launching it via the bootloader?)

--- End quote ---

I didn't spot this pop/click but I don't use Rocker daily. Anyway I am afraid there is nothing I can do about this.

--- End quote ---

There's a click that happens ~3s after pausing playback.  Its intensity is unaffected by the selected output volume.  It's probably due to the codec's amp being powered down after a period of silence, most likely by logic in the kernel's driver.  Changing the output port to something other than '2' (ie headphone) produces an immediate click/pop, so that approach won't work either.

So we're basically boned without the kernel sources (or the ability to roll our own..) Has anyone attempted to get them from AGPtek or Benjie?  EDIT: Saw that neither is cooperating.  A pity.

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