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Rev 168 Rev 378
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        xor eax, eax
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        xor eax, eax
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        stdcall codec_write, dword CODEC_AUX_VOL
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        stdcall codec_write, dword CODEC_AUX_VOL
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        mov eax, 0x1010
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        mov eax, 0x0B0B
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        stdcall codec_write, dword CODEC_MASTER_VOL_REG
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        stdcall codec_write, dword CODEC_MASTER_VOL_REG
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.init_error:
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.init_error:
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	xor    eax, eax 			  ; exit with error
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	xor    eax, eax 			  ; exit with error
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	ret
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	ret
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endp
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align 4
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endp
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proc set_master_vol stdcall, vol:dword
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; param
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;  eax= volume  -10000 - 0 for both channels
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	   mov ebx, 63
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	   mov ecx, 20644
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align 4
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	   mov eax, [vol]
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set_master_vol:
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           cmp eax, 0
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	   cmp eax, 90
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           jl @F
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           xor eax, eax
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	   jna @f
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           jmp .set
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@@:
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           cmp eax, -9450
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	   mov eax, 90
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           jg .set
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@@:
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           mov eax, -9450     ;clamp into 6 bits
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	   mul ecx
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.set:
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	   shr eax, 15
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           cdq
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	   sub ebx, eax
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           mov ebx, -150
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           idiv ebx
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	   mov ah, bl
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           mov ah, al
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	   mov al, bl
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	   stdcall codec_write, dword CODEC_MASTER_VOL_REG
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	   stdcall codec_write, dword CODEC_MASTER_VOL_REG
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	   ret
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           xor eax, eax
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endp
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	   ret
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align 4
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proc get_master_vol stdcall, pvol:dword
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	   stdcall codec_read, dword CODEC_MASTER_VOL_REG
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	   and eax, 0x3F
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	   mov ebx, 63
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align 4
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	   mov ecx, 20644
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	   xchg eax, ebx
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proc get_master_vol stdcall, pvol:dword
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	   sub eax, ebx
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- 
 
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	   stdcall codec_read, dword CODEC_MASTER_VOL_REG
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	   shl eax, 15
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	   and eax, 0x3F
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	   xor edx, edx
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           imul eax, -150
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	   div ecx
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           mov ebx, [pvol]
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           mov ebx, [pvol]
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           mov [ebx], eax