HP dx7300 HP Compaq dx7300 and dc7700 Business PC Technical Reference Guide, 1 - Page 109
Audio Control, Table 5-23., HD Audio Codec Commands
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Input/Output Interfaces Audio Control The audio subsystem is controlled through a set of verb commands listed in Table 5-23. Table 5-23. HD Audio Codec Commands Verb Value Verb Value Verb Value Get Parameter F00h Set Power State 705h Get GPIO Enable Mask F16h Get Connection Select F01h Get Conv. Stream Ch. F06h Set GPIO Enable Mask 716h Set Connection Select 701h Set Conv. Stream Ch. 706h Get GPIO Direction F17h Get Connection List F02h Get Pin Widget Cntrl. F07h Set GPIO Direction 717h Get Processing State F03h Set Pin Widget Cntrl. 707h Get GPIO Unsol. Resp. En. Mask F19h Set Processing State 703h Get Unsol. Resp. Cntrl. F08h Set GPIO Unsol. Resp. En. 719h Mask Get Coefficient Index 00Dh Set Unsol. Resp. Cntrl. 708h Function Reset 7FFh Set Coefficient Index 005h Get Pin Sense F09h Get Digital Converter Control F0Dh Get Processing Coefficient 00Ch Execute Pin Sense 709h Set Digital Conv. Cntrl. 1 70Dh Set Processing Coefficient 004h Get Default Config. F1Ch Set Digital Conv. Cntrl. 2 70Eh Get Amplifier Gain 00Bh Set Default Config. 71C-71F Get EAPD Enable h F0Ch Set Amplifier Gain 003h Get Beep Generator F0Ah Set EAPD Enable 70Ch Get Converter Format 00Ah Set Beep Generator 70Ah Get Volume Knob Widget FOFh Set Converter Format 002h Get GPIO Data F15h Set Volume Knob Widget 70Fh Get Power State F05h Set GPIO Data 715h -- -- NOTE: Refer to vendor data sheet for more information. Get Converter Format Technical Reference Guide www.hp.com 5-31