#linux-amlogic on 2023-07-08 — irc logs at libera.irclog.whitequark.org

2021-06-01 12:24 narmstrong changed the topic of #linux-amlogic to: Amlogic mainline kernel development discussion - our wiki http://linux-meson.com/ - ml linux-amlogic@lists.infradead.org - official channel moved from Freenode - publicly logged on https://libera.irclog.whitequark.org/linux-amlogic

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11:25 <f_> At this point I think I need to collect a lot more logs.

11:25 <f_> I think all acs.bin binaries work on my set-top box

11:26 <f_> which is: good and bad

11:26 <f_> Good, because it works fine

11:26 <f_> Bad, because I don't get to see what happens if it doesn't!!

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11:42 <f_> I'm auditing my code and Amlogic's and checking for mistakes I might have made.

11:42 <f_> ..as well as Amlogic's memtest functions

11:42 <f_> Seems like they changed some stuff

11:43 <f_> Not too much, looks like the functions themselves stayed untouched. But I can see they write to one register before running memTestDataBus

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13:13 <f_> :/ `if (*address != pattern)` hangs..

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13:26 <chewitt> minute: I saw mention of 'channels' re audio

13:26 <chewitt> You might want to pick https://github.com/chewitt/linux/commit/83beb2550c58fdd49ae15239e008d3391ad0a29c into your kernel

13:26 <chewitt> it's a hack (not upstreamable) but ensures audio channels map correctly to alsa controls

13:27 <f_> o/ chewitt!

13:27 <chewitt> if you play multi-channel audio files you will find that stuff comes out the wrong speakers

13:27 <chewitt> (occasionally)

13:27 <f_> How are you doing? It's been a while.

13:27 <chewitt> all good .. new job and other interests taking precedence at the moment

13:28 <f_> Great.

13:28 <f_> https://git.vitali64.duckdns.org/misc/reversing-gxbb-bl2.git/ these are my BL2 reverse-engineering notes

13:28 <chewitt> and nothing new/interesting to test (for my use-cases) until there's some movement on hardware video decoding topics

13:29 <chewitt> I've been reading the backlog .. nice work

13:29 <chewitt> keep going :)

13:29 <f_> Thanks :)

13:29 <f_> https://git.vitali64.duckdns.org/misc/reversing-gxbb-bl2.git/about/#notes I've written some docs, too.

13:29 <f_> Not much yet.

13:30 <f_> And this repo also hosts a disassembly + decompilation of BL2, as well as a ghidra project file.

13:33 * f_ hopes this isn't illegal but isn't a lawyer in any way.

13:47 <minute> chewitt: ohh interesting

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14:29 <chewitt> minute: this is the issue that patch 'fixes' https://lore.kernel.org/all/125f4abc-a85e-7a8c-594c-4cf7ddee1d78@perex.cz/T/

14:30 <chewitt> the thread eventually comes to the conclusion that someone should work on code to pass-through the controls

14:30 <chewitt> but that's way way beyond my non-coding capabilities and there's no willing volunteers for the task

14:31 <chewitt> one of the Kodi developers hacked up the workaround patch for me though :)

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