On 17 Nov 2001, Jeffrey H. Ingber wrote:
> Hi,
>
> I'm having quite a bit of difficulty getting an EMU E-Card to work
> properly under Linux. I've fired off messages to various EMU10K1
> efforts including the parties responsible for the kernel EMU10K1 driver
> and the Creative driver - all of whom ignore my mail. The problem as I
> see it is this:
>
> The EMU E-Card (the 'card' portion of the EMU APS) doesn't have an AC'97
> mixer, and the mixer is *not* the same the mixer found on the Live!
> cards. The kernel driver, Creative driver, and the ALSA driver all
> claim support for this card. However, I beleive this is a false
> assumption based on the fact that the card uses the EMU10K1. This is
> where the similarities end. The card is rather obscure, so it's
> understandable that it may not have actually been tested. For this card
> work work, the mixer function needs to be supported which doesn't seem
> to be the case.
>
> The ALSA 0.9 drivers are the closet I've come to getting this card to
> produce so much as a peep of sound (I hear a second or two of faint
> static when the modules are loaded). Right now, I can load the
> appropriate modules and use audio applications - the problem is, I can't
> hear sound since there is no access to the [proper] mixer device to
> raise the PCM volume.
>
> Running alsamixer, I see the following:
>
> Card: E-mu APS
> Chip:
>
> NOTE there is noting listed for 'chip' - which leads me to beleive my
> theory is correct. The channels available are:
>
> Headphone LFE 1
> Headphone 1
> Headphone Center 1
> Tone
> Bass
> Treble
> Surround Digital
> Center
> LFE
> Wave
> Wave Surround
> Music
> Line LiveDrive
> Line LiveDrive 1
> Zoom Video
> IEC958 Coaxial
> IEC958 Optical
> IEC958 Optical Raw
> IEC958 TTL
> AC'97
>
> These options don't make sense for this particular card.
>
> I'd like to know if this card was actually tested and known to work, and
> if so, I'd like to know exactly how it was done. I'd like to get this
> card working, so if it is infact non-function with the current drivers -
> I'm going to fix this. But I'd like hear any feedback pertaining to
> this problem before I begin.
At the time, we don't know the hardware connection diagram. The APS
initialization code was taken from the Creative - open source driver.
I think that only the DSP code should be modified according available I/O
connections.
Jaroslav
-----
Jaroslav Kysela <[EMAIL PROTECTED]>
SuSE Linux http://www.suse.com
ALSA project http://www.alsa-project.org
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