determining and setting sample rate for HDA-Intel - HDA NVidia (and maybe others)

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Hello All,

I'm wondering what the official way is to determine and set sample rate
for HDA-Intel - HDA NVidia sound "card" (it's on my MB); the core/chip is:
Realtek ALC883.

According to Realtek documentation the chip supports various sample rates:

http://www.realtek.com.tw/products/productsView.aspx?Langid=1&PFid=28&Level=5&Conn=4&ProdID=44 ->

"
ll DACs support 44.1k/48k/96k/192kHz sample rate 
All ADCs support 44.1k/48k/96kHz sample rate 
16/20/24-bit S/PDIF-OUT supports 44.1k/48k/96k/192kHz sample rate 
16/20/24-bit S/PDIF-IN supports 44.1k/48k/96kHz sample rate
".

So, I've found this:

"
sergei@amdam2:~> cat /proc/asound/card0/pcm0p/sub0/hw_params
access: MMAP_INTERLEAVED
format: S16_LE
subformat: STD
channels: 2
rate: 48000 (48000/1)
period_size: 1024
buffer_size: 16384
tick_time: 4000
sergei@amdam2:~>
",

sample rate appears to be 48000Hz.

How can I change the sample rate ? I do not see controls in mixers.

This is opposed to what I had with M-Audio Revolution 7.1 whose mixers
do have sample rate control.

Thanks,
  Sergei.

P.S. System info:

sergei@amdam2:~> cat /proc/asound/version
Advanced Linux Sound Architecture Driver Version 1.0.12rc1 (Thu Jun 22 13:55:50 2006 UTC).
sergei@amdam2:~> uname -a
Linux amdam2 2.6.18.8-0.7-default #1 SMP Tue Oct 2 17:21:08 UTC 2007 i686 athlon i386 GNU/Linux
sergei@amdam2:~>   

- that's SUSE 10.2.

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