diff --git a/ac108_asound.state b/ac108_asound.state
index 33fb369..661432a 100644
--- a/ac108_asound.state
+++ b/ac108_asound.state
@@ -68,202 +68,106 @@ state.ALSA {
 state.seeed4micvoicec {
 	control.1 {
 		iface MIXER
-		name 'OUT1 Mute'
-		value false
+		name 'CH1 digital volume'
+		value 172
 		comment {
 			access 'read write'
-			type BOOLEAN
+			type INTEGER
 			count 1
+			range '0 - 255'
+			dbmin -11925
+			dbmax 7200
+			dbvalue.0 975
 		}
 	}
 	control.2 {
 		iface MIXER
-		name 'OUT2 Mute'
-		value true
+		name 'CH2 digital volume'
+		value 172
 		comment {
 			access 'read write'
-			type BOOLEAN
+			type INTEGER
 			count 1
+			range '0 - 255'
+			dbmin -11925
+			dbmax 7200
+			dbvalue.0 975
 		}
 	}
 	control.3 {
 		iface MIXER
-		name 'TX1 Channel1~8 enable'
-		value '1-4 channels '
+		name 'CH3 digital volume'
+		value 172
 		comment {
 			access 'read write'
-			type ENUMERATED
+			type INTEGER
 			count 1
-			item.0 'disable all'
-			item.1 '1-1 channels '
-			item.2 '1-2 channels '
-			item.3 '1-3 channels '
-			item.4 '1-4 channels '
-			item.5 '1-5 channels '
-			item.6 '1-6 channels '
-			item.7 '1-7 channels '
-			item.8 '1-8 channels '
+			range '0 - 255'
+			dbmin -11925
+			dbmax 7200
+			dbvalue.0 975
 		}
 	}
 	control.4 {
 		iface MIXER
-		name 'TX1 Channel9~16 enable'
-		value 'disable all'
+		name 'CH4 digital volume'
+		value 172
 		comment {
 			access 'read write'
-			type ENUMERATED
+			type INTEGER
 			count 1
-			item.0 'disable all'
-			item.1 '8-9 channels '
-			item.2 '8-10 channels '
-			item.3 '8-11 channels '
-			item.4 '8-12 channels '
-			item.5 '8-13 channels '
-			item.6 '8-14 channels '
-			item.7 '8-15 channels '
-			item.8 '8-16 channels '
+			range '0 - 255'
+			dbmin -11925
+			dbmax 7200
+			dbvalue.0 975
 		}
 	}
 	control.5 {
 		iface MIXER
-		name 'TX2 Channel1~8 enable'
-		value 'disable all'
+		name 'ADC1 PGA gain'
+		value 31
 		comment {
 			access 'read write'
-			type ENUMERATED
+			type INTEGER
 			count 1
-			item.0 'disable all'
-			item.1 '1-1 channels '
-			item.2 '1-2 channels '
-			item.3 '1-3 channels '
-			item.4 '1-4 channels '
-			item.5 '1-5 channels '
-			item.6 '1-6 channels '
-			item.7 '1-7 channels '
-			item.8 '1-8 channels '
+			range '0 - 31'
+			dbmin 0
+			dbmax 3100
+			dbvalue.0 3100
 		}
 	}
 	control.6 {
 		iface MIXER
-		name 'TX2 Channel9~16 enable'
-		value 'disable all'
+		name 'ADC2 PGA gain'
+		value 31
 		comment {
 			access 'read write'
-			type ENUMERATED
+			type INTEGER
 			count 1
-			item.0 'disable all'
-			item.1 '8-9 channels '
-			item.2 '8-10 channels '
-			item.3 '8-11 channels '
-			item.4 '8-12 channels '
-			item.5 '8-13 channels '
-			item.6 '8-14 channels '
-			item.7 '8-15 channels '
-			item.8 '8-16 channels '
+			range '0 - 31'
+			dbmin 0
+			dbmax 3100
+			dbvalue.0 3100
 		}
 	}
 	control.7 {
 		iface MIXER
-		name 'CH1 digital volume'
-		value 181
+		name 'ADC3 PGA gain'
+		value 31
 		comment {
 			access 'read write'
 			type INTEGER
 			count 1
-			range '0 - 255'
-			dbmin -11925
-			dbmax 7200
-			dbvalue.0 1650
+			range '0 - 31'
+			dbmin 0
+			dbmax 3100
+			dbvalue.0 3100
 		}
 	}
 	control.8 {
-		iface MIXER
-		name 'CH2 digital volume'
-		value 181
-		comment {
-			access 'read write'
-			type INTEGER
-			count 1
-			range '0 - 255'
-			dbmin -11925
-			dbmax 7200
-			dbvalue.0 1650
-		}
-	}
-	control.9 {
-		iface MIXER
-		name 'CH3 digital volume'
-		value 181
-		comment {
-			access 'read write'
-			type INTEGER
-			count 1
-			range '0 - 255'
-			dbmin -11925
-			dbmax 7200
-			dbvalue.0 1650
-		}
-	}
-	control.10 {
-		iface MIXER
-		name 'CH4 digital volume'
-		value 181
-		comment {
-			access 'read write'
-			type INTEGER
-			count 1
-			range '0 - 255'
-			dbmin -11925
-			dbmax 7200
-			dbvalue.0 1650
-		}
-	}
-	control.11 {
-		iface MIXER
-		name 'ADC1 PGA gain'
-		value 27
-		comment {
-			access 'read write'
-			type INTEGER
-			count 1
-			range '0 - 31'
-			dbmin 0
-			dbmax 3100
-			dbvalue.0 2700
-		}
-	}
-	control.12 {
-		iface MIXER
-		name 'ADC2 PGA gain'
-		value 27
-		comment {
-			access 'read write'
-			type INTEGER
-			count 1
-			range '0 - 31'
-			dbmin 0
-			dbmax 3100
-			dbvalue.0 2700
-		}
-	}
-	control.13 {
-		iface MIXER
-		name 'ADC3 PGA gain'
-		value 27
-		comment {
-			access 'read write'
-			type INTEGER
-			count 1
-			range '0 - 31'
-			dbmin 0
-			dbmax 3100
-			dbvalue.0 2700
-		}
-	}
-	control.14 {
 		iface MIXER
 		name 'ADC4 PGA gain'
-		value 27
+		value 31
 		comment {
 			access 'read write'
 			type INTEGER
@@ -271,683 +175,7 @@ state.seeed4micvoicec {
 			range '0 - 31'
 			dbmin 0
 			dbmax 3100
-			dbvalue.0 2700
-		}
-	}
-	control.15 {
-		iface MIXER
-		name 'Tx1 Channels'
-		value '4 channels '
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 '1 channels '
-			item.1 '2 channels '
-			item.2 '3 channels '
-			item.3 '4 channels '
-			item.4 '5 channels '
-			item.5 '6 channels '
-			item.6 '7 channels '
-			item.7 '8 channels '
-			item.8 '9 channels '
-			item.9 '10 channels '
-			item.10 '11 channels '
-			item.11 '12 channels '
-			item.12 '13 channels '
-			item.13 '14 channels '
-			item.14 '15 channels '
-			item.15 '16 channels '
-		}
-	}
-	control.16 {
-		iface MIXER
-		name 'Tx2 Channels'
-		value '1 channels '
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 '1 channels '
-			item.1 '2 channels '
-			item.2 '3 channels '
-			item.3 '4 channels '
-			item.4 '5 channels '
-			item.5 '6 channels '
-			item.6 '7 channels '
-			item.7 '8 channels '
-			item.8 '9 channels '
-			item.9 '10 channels '
-			item.10 '11 channels '
-			item.11 '12 channels '
-			item.12 '13 channels '
-			item.13 '14 channels '
-			item.14 '15 channels '
-			item.15 '16 channels '
-		}
-	}
-	control.17 {
-		iface MIXER
-		name 'Tx1 Channels 1 MAP'
-		value '1st adc sample'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 '1st adc sample'
-			item.1 '2st adc sample'
-			item.2 '3st adc sample'
-			item.3 '4st adc sample'
-		}
-	}
-	control.18 {
-		iface MIXER
-		name 'Tx1 Channels 2 MAP'
-		value '2st adc sample'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 '1st adc sample'
-			item.1 '2st adc sample'
-			item.2 '3st adc sample'
-			item.3 '4st adc sample'
-		}
-	}
-	control.19 {
-		iface MIXER
-		name 'Tx1 Channels 3 MAP'
-		value '3st adc sample'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 '1st adc sample'
-			item.1 '2st adc sample'
-			item.2 '3st adc sample'
-			item.3 '4st adc sample'
-		}
-	}
-	control.20 {
-		iface MIXER
-		name 'Tx1 Channels 4 MAP'
-		value '4st adc sample'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 '1st adc sample'
-			item.1 '2st adc sample'
-			item.2 '3st adc sample'
-			item.3 '4st adc sample'
-		}
-	}
-	control.21 {
-		iface MIXER
-		name 'Tx1 Channels 5 MAP'
-		value '1st adc sample'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 '1st adc sample'
-			item.1 '2st adc sample'
-			item.2 '3st adc sample'
-			item.3 '4st adc sample'
-		}
-	}
-	control.22 {
-		iface MIXER
-		name 'Tx1 Channels 6 MAP'
-		value '1st adc sample'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 '1st adc sample'
-			item.1 '2st adc sample'
-			item.2 '3st adc sample'
-			item.3 '4st adc sample'
-		}
-	}
-	control.23 {
-		iface MIXER
-		name 'Tx1 Channels 7 MAP'
-		value '1st adc sample'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 '1st adc sample'
-			item.1 '2st adc sample'
-			item.2 '3st adc sample'
-			item.3 '4st adc sample'
-		}
-	}
-	control.24 {
-		iface MIXER
-		name 'Tx1 Channels 8 MAP'
-		value '1st adc sample'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 '1st adc sample'
-			item.1 '2st adc sample'
-			item.2 '3st adc sample'
-			item.3 '4st adc sample'
-		}
-	}
-	control.25 {
-		iface MIXER
-		name 'Tx1 Channels 9 MAP'
-		value '1st adc sample'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 '1st adc sample'
-			item.1 '2st adc sample'
-			item.2 '3st adc sample'
-			item.3 '4st adc sample'
-		}
-	}
-	control.26 {
-		iface MIXER
-		name 'Tx1 Channels 10 MAP'
-		value '1st adc sample'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 '1st adc sample'
-			item.1 '2st adc sample'
-			item.2 '3st adc sample'
-			item.3 '4st adc sample'
-		}
-	}
-	control.27 {
-		iface MIXER
-		name 'Tx1 Channels 11 MAP'
-		value '1st adc sample'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 '1st adc sample'
-			item.1 '2st adc sample'
-			item.2 '3st adc sample'
-			item.3 '4st adc sample'
-		}
-	}
-	control.28 {
-		iface MIXER
-		name 'Tx1 Channels 12 MAP'
-		value '1st adc sample'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 '1st adc sample'
-			item.1 '2st adc sample'
-			item.2 '3st adc sample'
-			item.3 '4st adc sample'
-		}
-	}
-	control.29 {
-		iface MIXER
-		name 'Tx1 Channels 13 MAP'
-		value '1st adc sample'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 '1st adc sample'
-			item.1 '2st adc sample'
-			item.2 '3st adc sample'
-			item.3 '4st adc sample'
-		}
-	}
-	control.30 {
-		iface MIXER
-		name 'Tx1 Channels 14 MAP'
-		value '1st adc sample'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 '1st adc sample'
-			item.1 '2st adc sample'
-			item.2 '3st adc sample'
-			item.3 '4st adc sample'
-		}
-	}
-	control.31 {
-		iface MIXER
-		name 'Tx1 Channels 15 MAP'
-		value '1st adc sample'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 '1st adc sample'
-			item.1 '2st adc sample'
-			item.2 '3st adc sample'
-			item.3 '4st adc sample'
-		}
-	}
-	control.32 {
-		iface MIXER
-		name 'Tx1 Channels 16 MAP'
-		value '1st adc sample'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 '1st adc sample'
-			item.1 '2st adc sample'
-			item.2 '3st adc sample'
-			item.3 '4st adc sample'
-		}
-	}
-	control.33 {
-		iface MIXER
-		name 'Tx2 Channels 1 MAP'
-		value '1st adc sample'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 '1st adc sample'
-			item.1 '2st adc sample'
-			item.2 '3st adc sample'
-			item.3 '4st adc sample'
-		}
-	}
-	control.34 {
-		iface MIXER
-		name 'Tx2 Channels 2 MAP'
-		value '1st adc sample'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 '1st adc sample'
-			item.1 '2st adc sample'
-			item.2 '3st adc sample'
-			item.3 '4st adc sample'
-		}
-	}
-	control.35 {
-		iface MIXER
-		name 'Tx2 Channels 3 MAP'
-		value '1st adc sample'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 '1st adc sample'
-			item.1 '2st adc sample'
-			item.2 '3st adc sample'
-			item.3 '4st adc sample'
-		}
-	}
-	control.36 {
-		iface MIXER
-		name 'Tx2 Channels 4 MAP'
-		value '1st adc sample'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 '1st adc sample'
-			item.1 '2st adc sample'
-			item.2 '3st adc sample'
-			item.3 '4st adc sample'
-		}
-	}
-	control.37 {
-		iface MIXER
-		name 'Tx2 Channels 5 MAP'
-		value '1st adc sample'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 '1st adc sample'
-			item.1 '2st adc sample'
-			item.2 '3st adc sample'
-			item.3 '4st adc sample'
-		}
-	}
-	control.38 {
-		iface MIXER
-		name 'Tx2 Channels 6 MAP'
-		value '1st adc sample'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 '1st adc sample'
-			item.1 '2st adc sample'
-			item.2 '3st adc sample'
-			item.3 '4st adc sample'
-		}
-	}
-	control.39 {
-		iface MIXER
-		name 'Tx2 Channels 7 MAP'
-		value '1st adc sample'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 '1st adc sample'
-			item.1 '2st adc sample'
-			item.2 '3st adc sample'
-			item.3 '4st adc sample'
-		}
-	}
-	control.40 {
-		iface MIXER
-		name 'Tx2 Channels 8 MAP'
-		value '1st adc sample'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 '1st adc sample'
-			item.1 '2st adc sample'
-			item.2 '3st adc sample'
-			item.3 '4st adc sample'
-		}
-	}
-	control.41 {
-		iface MIXER
-		name 'Tx2 Channels 9 MAP'
-		value '1st adc sample'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 '1st adc sample'
-			item.1 '2st adc sample'
-			item.2 '3st adc sample'
-			item.3 '4st adc sample'
-		}
-	}
-	control.42 {
-		iface MIXER
-		name 'Tx2 Channels 10 MAP'
-		value '1st adc sample'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 '1st adc sample'
-			item.1 '2st adc sample'
-			item.2 '3st adc sample'
-			item.3 '4st adc sample'
-		}
-	}
-	control.43 {
-		iface MIXER
-		name 'Tx2 Channels 11 MAP'
-		value '1st adc sample'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 '1st adc sample'
-			item.1 '2st adc sample'
-			item.2 '3st adc sample'
-			item.3 '4st adc sample'
-		}
-	}
-	control.44 {
-		iface MIXER
-		name 'Tx2 Channels 12 MAP'
-		value '1st adc sample'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 '1st adc sample'
-			item.1 '2st adc sample'
-			item.2 '3st adc sample'
-			item.3 '4st adc sample'
-		}
-	}
-	control.45 {
-		iface MIXER
-		name 'Tx2 Channels 13 MAP'
-		value '1st adc sample'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 '1st adc sample'
-			item.1 '2st adc sample'
-			item.2 '3st adc sample'
-			item.3 '4st adc sample'
-		}
-	}
-	control.46 {
-		iface MIXER
-		name 'Tx2 Channels 14 MAP'
-		value '1st adc sample'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 '1st adc sample'
-			item.1 '2st adc sample'
-			item.2 '3st adc sample'
-			item.3 '4st adc sample'
-		}
-	}
-	control.47 {
-		iface MIXER
-		name 'Tx2 Channels 15 MAP'
-		value '1st adc sample'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 '1st adc sample'
-			item.1 '2st adc sample'
-			item.2 '3st adc sample'
-			item.3 '4st adc sample'
-		}
-	}
-	control.48 {
-		iface MIXER
-		name 'Tx2 Channels 16 MAP'
-		value '1st adc sample'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 '1st adc sample'
-			item.1 '2st adc sample'
-			item.2 '3st adc sample'
-			item.3 '4st adc sample'
-		}
-	}
-	control.49 {
-		iface MIXER
-		name 'ADC4 Source'
-		value 'Analog ADC4'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 'Analog ADC1'
-			item.1 'Analog ADC2'
-			item.2 'Analog ADC3'
-			item.3 'Analog ADC4'
-		}
-	}
-	control.50 {
-		iface MIXER
-		name 'ADC3 Source'
-		value 'Analog ADC3'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 'Analog ADC1'
-			item.1 'Analog ADC2'
-			item.2 'Analog ADC3'
-			item.3 'Analog ADC4'
-		}
-	}
-	control.51 {
-		iface MIXER
-		name 'ADC2 Source'
-		value 'Analog ADC2'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 'Analog ADC1'
-			item.1 'Analog ADC2'
-			item.2 'Analog ADC3'
-			item.3 'Analog ADC4'
-		}
-	}
-	control.52 {
-		iface MIXER
-		name 'ADC1 Source'
-		value 'Analog ADC1'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 'Analog ADC1'
-			item.1 'Analog ADC2'
-			item.2 'Analog ADC3'
-			item.3 'Analog ADC4'
-		}
-	}
-	control.53 {
-		iface MIXER
-		name 'ADC1 Digital Mixer gc'
-		value 'disable all'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 'disable all'
-			item.1 'ADC1 data'
-			item.2 'ADC2 data'
-			item.3 'ADC3 data'
-			item.4 'ADC4 data'
-		}
-	}
-	control.54 {
-		iface MIXER
-		name 'ADC1 Digital Mixer src'
-		value 'ADC1 data'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 'disable all'
-			item.1 'ADC1 data'
-			item.2 'ADC2 data'
-			item.3 'ADC3 data'
-			item.4 'ADC4 data'
-		}
-	}
-	control.55 {
-		iface MIXER
-		name 'ADC2 Digital Mixer gc'
-		value 'disable all'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 'disable all'
-			item.1 'ADC1 data'
-			item.2 'ADC2 data'
-			item.3 'ADC3 data'
-			item.4 'ADC4 data'
-		}
-	}
-	control.56 {
-		iface MIXER
-		name 'ADC2 Digital Mixer src'
-		value 'ADC2 data'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 'disable all'
-			item.1 'ADC1 data'
-			item.2 'ADC2 data'
-			item.3 'ADC3 data'
-			item.4 'ADC4 data'
-		}
-	}
-	control.57 {
-		iface MIXER
-		name 'ADC3 Digital Mixer gc'
-		value 'disable all'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 'disable all'
-			item.1 'ADC1 data'
-			item.2 'ADC2 data'
-			item.3 'ADC3 data'
-			item.4 'ADC4 data'
-		}
-	}
-	control.58 {
-		iface MIXER
-		name 'ADC3 Digital Mixer src'
-		value 'ADC3 data'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 'disable all'
-			item.1 'ADC1 data'
-			item.2 'ADC2 data'
-			item.3 'ADC3 data'
-			item.4 'ADC4 data'
-		}
-	}
-	control.59 {
-		iface MIXER
-		name 'ADC4 Digital Mixer gc'
-		value 'disable all'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 'disable all'
-			item.1 'ADC1 data'
-			item.2 'ADC2 data'
-			item.3 'ADC3 data'
-			item.4 'ADC4 data'
-		}
-	}
-	control.60 {
-		iface MIXER
-		name 'ADC4 Digital Mixer src'
-		value 'ADC4 data'
-		comment {
-			access 'read write'
-			type ENUMERATED
-			count 1
-			item.0 'disable all'
-			item.1 'ADC1 data'
-			item.2 'ADC2 data'
-			item.3 'ADC3 data'
-			item.4 'ADC4 data'
+			dbvalue.0 3100
 		}
 	}
 }
diff --git a/asound_4mic.conf b/asound_4mic.conf
index 8e25afd..706dbe5 100644
--- a/asound_4mic.conf
+++ b/asound_4mic.conf
@@ -22,5 +22,5 @@ pcm.dmixed {
 
 pcm.ac108 {
     type plug
-    slave.pcm "hw:1,0"
+    ac108-slavepcm "hw:1,0"
 }
diff --git a/seeed-voicecard b/seeed-voicecard
index eb8cf9c..e988982 100755
--- a/seeed-voicecard
+++ b/seeed-voicecard
@@ -20,6 +20,10 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 # THE SOFTWARE.
 
+set -x
+exec 1>/var/log/$(basename $0).log 2>&1
+
+
 is_1a=$(i2cdetect -y  1 0x1a 0x1a | grep 1a | awk '{print $2}')
 is_35=$(i2cdetect -y  1 0x35 0x35 | grep 35 | awk '{print $2}')
 is_3b=$(i2cdetect -y  1 0x3b 0x3b | grep 3b | awk '{print $2}')
@@ -50,13 +54,13 @@ if [ "x${is_3b}" == "x3b" ] && [ "x${is_35}" == "x" ] ; then
     cp /etc/voicecard/asound_4mic.conf /etc/asound.conf
 
     echo "get slavepcm line number"
-    line=$(grep -n slavepcm /etc/asound.conf | awk '{print $1}' | sed 's/://')
+    line=$(grep -n ac108-slavepcm /etc/asound.conf | awk '{print $1}' | sed 's/://')
 
     echo "delete ${line} slavepcm hw number"
     sed -i -e "${line}d"  /etc/asound.conf
 
-    echo "inset slavepcm hw:${hw},0"
-    sed -i "${line}i slavepcm \"hw:${hw},0\""  /etc/asound.conf
+    echo "insert slavepcm hw:${hw},0"
+    sed -i "${line}i slave.pcm \"hw:${hw},0\""  /etc/asound.conf
 
     cp /etc/voicecard/ac108_asound.state /var/lib/alsa/asound.state
 fi