[alsa-devel] [PATCH v3 0/5] ALSA: hda - hdmi: ATI/AMD multi-channel and HBR support
a.heider at gmail.com
Mon Oct 28 19:35:54 CET 2013
On Mon, Oct 28, 2013 at 08:25:22PM +0200, Anssi Hannula wrote:
> 28.10.2013 20:17, Andre Heider kirjoitti:
> > On Mon, Oct 28, 2013 at 08:12:43PM +0200, Anssi Hannula wrote:
> >> 28.10.2013 19:52, Andre Heider kirjoitti:
> >>> On Fri, Oct 25, 2013 at 08:23:48PM +0300, Anssi Hannula wrote:
> >>>> 25.10.2013 19:54, Andre Heider kirjoitti:
> >>>>> cat /proc/asound/card0/eld\#0.0
> >>>>> monitor_present 1
> >>>>> eld_valid 0
> >>>> However, this should have eld_valid=1 and contain more info. To get a
> >>>> hint on whether it is a bug in audio or video driver, could you give a
> >>>> log with CONFIG_SND_DEBUG ?
> >>>> AFAICS the sound git master tree should have the necessary support in
> >>>> the radeon video driver to allow the audio driver to generate a valid
> >>>> ELD with your card.
> >>> With CONFIG_SND_DEBUG=y I get a bunch of
> >>> "HDMI ATI/AMD: no speaker allocation for ELD"
> >>> but afaics that's about it.
> >> Thanks, that is exactly what I was looking for.
> >> Looks like a radeon driver issue - it does not seem to setup the speaker
> >> allocation registers properly (so that ALSA could read them from there),
> >> and I verified that the EDID you posted has a valid speaker allocation
> >> byte 0x4f.
> >> Just to recheck - you are running sound git master, or something else?
> > This is from 3.12-rc7 with today's sound/master (3fbdaf9b) merged on top.
> Ah, OK, that certainly explains it. 3.12-x has this one:
> Could you revert that for testing, just to see if you get proper ELD
> info then?
Blergh, guess that's my fault for not just using sound/master.
But that looks better:
eld_version [0x2] CEA-861D or below
edid_version [0x0] no CEA EDID Timing Extension block present
speakers [0x4f] FL/FR LFE FC RL/RR RLC/RRC
sad0_coding_type [0x1] LPCM
sad0_rates [0x1ee0] 32000 44100 48000 88200 96000 176400 192000
sad0_bits [0xe0000] 16 20 24
sad1_coding_type [0x2] AC-3
sad1_rates [0xe0] 32000 44100 48000
sad2_coding_type [0x6] AAC-LC
sad2_rates [0xe0] 32000 44100 48000
sad3_coding_type [0x7] DTS
sad3_rates [0xe0] 32000 44100 48000
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