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Hifiberry DAC+ Pro, driver not 'recognized' when using experimental gl driver on a pi 3 #1420
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rpi-update not working suggests you may have something unsuitable in config.txt. Can you post your config.txt? |
Here is my current config.txt
|
sorry for the big fonts, next time i will attache a file |
I don't see a reason for that to fail to boot with rpi-update. Can you try again? |
If it does boot, then post output of |
what should i backup, before doing a rpi-update? |
here is output from dmesg and vcdbg log msg (before a rpi-update) |
@pelwell any ideas? |
the vc4 3d driver uses the new clock framework but the I2S driver hasn't been (back-)ported to that yet so ATM they can't be used together. This is why you get that line in dmesg: That region has already been registered by the clock framework, so the I2S driver can't request that, too. msperl posted that his I2S/clk patches already landed in the 4.6rc kernel series, but I diidn't have time to test them yet |
will the patches be backported to 4.4? |
On a raspberry pi 3, with raspbian
When i enable the experimental gl driver (done via raspi-config, advanced options), then after a reboot, the dac+pro driver is not recognized anymore.
Do you know a way to both use the dac+ pro for playing hifi music and use the experimental gl driver with the application mixxx for dj-ing.
I use a pi 3, with up-to-date raspbian.
(did not do a rpi-update, because after that my pi won't boot anymore)
output from uname -a:
Linux pi19 4.1.19-v7+ #858 SMP Tue Mar 15 15:56:00 GMT 2016 armv7l GNU/Linux
a piece of dmesg:
3.828256] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[ 3.828276] [drm] No driver support for vblank timestamp query.
[ 3.896483] Console: switching to colour frame buffer device 240x75
[ 3.947201] vc4-drm soc:gpu@7e4c0000: fb0: frame buffer device
[ 3.947211] vc4-drm soc:gpu@7e4c0000: registered panic notifier
[ 4.002081] snd-rpi-hifiberry-dacplus sound: ASoC: CPU DAI (null) not registered
[ 4.002122] snd-rpi-hifiberry-dacplus sound: snd_soc_register_card() failed: -517
[ 4.022814] snd-rpi-hifiberry-dacplus sound: ASoC: CPU DAI (null) not registered
[ 4.022851] snd-rpi-hifiberry-dacplus sound: snd_soc_register_card() failed: -517
[ 4.041936] systemd-journald[102]: Received request to flush runtime journal from PID 1
[ 4.277359] brcmfmac: brcmf_cfg80211_reg_notifier: not a ISO3166 code
[ 4.277391] cfg80211: World regulatory domain updated:
[ 4.277401] cfg80211: DFS Master region: unset
[ 4.277410] cfg80211: (start_f
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