linux-kernel - Re: No mixers on ATI RS780 Azalia

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Date:	Thu, 27 May 2010 16:55:34 +0200
From:	Clemens Ladisch <clemens@...isch.de>
To:	Robert Hancock <hancockrwd@...il.com>
CC:	Jan Engelhardt <jengelh@...ozas.de>, Takashi Iwai <tiwai@...e.de>,
	alsa-devel@...a-project.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: No mixers on ATI RS780 Azalia

Robert Hancock wrote:
> On 05/27/2010 06:34 AM, Jan Engelhardt wrote:
>> On Thursday 2010-05-27 13:42, Clemens Ladisch wrote:
>>> It is possible that an embedded device like this requires some custom
>>> initialization.  Can you find out if the Windows driver is the standard
>>> Microsoft driver or Samsung's?
>>
>> Looks like the Microsoft one:
> 
> Well, not Samsung, but it's not the Microsoft HDA driver either, it's 
> using a Realtek driver.
> 
>> == "ATI HDMI Audio" ==
>> ...
>> C:\WINDOWS\system32\drivers\RtHDMI.sys
>> 	Realtek, 5.10.0.5602 built by WinDDK

Googling shows that this is the driver that AMD ships for its "ATI HDMI"
devices.

>> == "Realtek High Definition Audio" ==
>> ...

This also looks like the standard driver.


Apparently, this computer uses standard audio hardware; the culprit is
probably the Linux radeon driver.


Regards,
Clemens
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