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Author Topic: bcm2708-i2s: Enable MMAP support via a DT property and overlay  (Read 3473 times)

Offline resi

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bcm2708-i2s: Enable MMAP support via a DT property and overlay
« on: June 11, 2015, 07:02:15 AM »
Hi,

i want to check this out on my Raspberry Pi B+ with piCore: bcm2708-i2s: Enable MMAP support via a DT property and overlay

Unfortunately, i'm a noob... Did you see any chance, this could work with release 6.1-beta? If yes, which steps are need to taken?

Thank you

Klaus
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Online Paul_123

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Re: bcm2708-i2s: Enable MMAP support via a DT property and overlay
« Reply #1 on: June 11, 2015, 08:00:18 AM »
This change is at the kernel level.    You would have to build your own kernel and remaster piCore to try it.



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Offline resi

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Re: bcm2708-i2s: Enable MMAP support via a DT property and overlay
« Reply #2 on: June 11, 2015, 03:37:20 PM »
Thank you.  I had already expected that and i feared it  :'( ... it's now 15 years ago that i build a kernel. And that was no cross-compiling. I see, i have now some hours to do... Have you any helpfull hints or links for me?
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Online Paul_123

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Re: bcm2708-i2s: Enable MMAP support via a DT property and overlay
« Reply #3 on: June 11, 2015, 07:50:47 PM »
Building a kernel is not hard to do, but installing a kernel is more involved in piCore.    There are several threads on this already.
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