[alsa-devel] HDMI LPCM (7.1) with AMD/FGLRX

Takashi Iwai tiwai at suse.de
Tue Aug 9 09:19:35 CEST 2011


At Tue, 9 Aug 2011 00:13:24 +0200,
Andrée 'Glaucous' wrote:
> 
> Okay, after waking up and stopped being stupid, I cloned latest alsa-kernel,

Use sound git tree:
  git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6.git

> this however still resulted in your patch failing, but I
> managed to install it manually.
> 
> I still can't run speaker-test with more than 2 channels.

Give the kernel message.  It should show the raw value.

> (HDMI is card1 now)
> --
> /proc/asound/card1/eld#0.0
> monitor_present 1
> eld_valid 1
> monitor_name
> connection_type HDMI
> eld_version [0x0] reserved
> edid_version [0x0] no CEA EDID Timing Extension block present
> manufacture_id 0x0
> product_id 0x0
> port_id 0x0
> support_hdcp 0
> support_ai 0
> audio_sync_delay 0
> speakers [0xffff] FL/FR LFE FC RL/RR RC FLC/FRC RLC/RRC FLW/FRW FLH/FRH TC
> FCH
> sad_count 0

So, this means it's likely 0xffffffff or such.

> --
> 
> Now monitor is present (which I should add, it also was when I updated to
> kernel 3.0 without any alsa patch), and there are many more channels,
> which is probably because due to your patch hardcoding the channel count.

No, the speaker configs read above are irrelevant from the channel
count.


Takashi


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