cmipci: have only surround40 on 6 ch card

["SeNS" <sens_boston@yahoo.com>]

Hello, All!

Sorry for repost; probably, it's a driver problem.

I have 6 channel CMI8738-based card (it works in 6 channel mode under win32; 
and works before under Linux with ALSA).

===============================================
lspci output: "0000:00:0a.0 Multimedia
audio controller: C-Media Electronics Inc CM8738 (rev 10)"
===============================================
my kernel version 2.4.34
alsa version 1.0.15
===============================================
cat /proc/asound/cards
 0 [CMI8738        ]: CMI8738 - C-Media CMI8738
                      C-Media CMI8738 (model 37) at 0xe000, irq 10
===============================================
cat /proc/asound/card0/cmipci

C-Media PCI CMI8738 (model 37) at 0xe000, irq 10

00: 02 00 01 00
04: 10 1c 00 00
08: 03 00 00 01
0c: 00 00 01 00
10: d4 00 00 40
14: 00 00 00 00
18: 00 80 80 08
1c: fa 4c 04 33
20: 10 01 00 00
24: 20 01 ff 00
28: 00 00 00 00
2c: 00 00 00 00
30: ff ff ff ff
34: 00 00 00 00
38: 00 00 00 00
3c: 00 00 00 00
===============================================

WBR, SeNS