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Groups > linux.debian.bugs.dist > #1053964
| From | Ryutaroh Matsumoto <ryutaroh@ict.e.titech.ac.jp> |
|---|---|
| Newsgroups | linux.debian.bugs.dist, linux.debian.kernel |
| Subject | Bug#978025: Sound issues with the 5.10.x kernel (alsa) |
| Date | 2021-03-28 08:10 +0200 |
| Message-ID | <BXwMy-DW-3@gated-at.bofh.it> (permalink) |
| References | <BXrWx-5Ks-3@gated-at.bofh.it> <BXrWx-5Ks-5@gated-at.bofh.it> <BXrWx-5Ks-1@gated-at.bofh.it> <BpCrn-2Lq-1@gated-at.bofh.it> <BXrWx-5Ks-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Cross-posted to 2 groups.
> I think the root cause of this issue is that both vc4.ko and snd_bcm2835.ko > try to provide ALSA sinks to HDMI audio outputs from RPi. > Why do the two drivers provide the same functionality for the same device? > It seems nonsense. > There must be some coordination between vc4.ko and snd_bcm2835.ko > on who provides ALSA sinks of RPi HDMI output. Giving "enable_hdmi=0" to snd_bcm2835.ko does not improve the situation, while module_blacklisting snd_bcm2835 suppresses all the symptoms reported. snd_bcm2835.ko in 5.10.24 seems having a bug ignoring "enable_hdmi=0". Best regards, Ryutaroh
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Bug#978025: Sound issues with the 5.10.x kernel (alsa) Ryutaroh Matsumoto <ryutaroh@ict.e.titech.ac.jp> - 2021-03-28 03:00 +0200
Bug#978025: Sound issues with the 5.10.x kernel (alsa) Ryutaroh Matsumoto <ryutaroh@ict.e.titech.ac.jp> - 2021-03-28 08:10 +0200
Bug#985928: Sound issues with the 5.10.x kernel (alsa) Ryutaroh Matsumoto <ryutaroh@ict.e.titech.ac.jp> - 2021-03-29 01:20 +0200
Bug#978025: Sound issues with the 5.10.x kernel (alsa) Ryutaroh Matsumoto <ryutaroh@ict.e.titech.ac.jp> - 2021-03-29 01:30 +0200
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