This file is indexed.

/usr/share/alsa/cards/CMI8738-MC6.conf is in libasound2-data 1.1.3-5.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
#
# Configuration for the CMI8738 chip with 4/6 multi-channel support
#

<confdir:pcm/front.conf>

CMI8738-MC6.pcm.front.0 {
	@args [ CARD ]
	@args.CARD {
		type string
	}
	type hw
	card $CARD
}	

# default with dmix/dsnoop
CMI8738-MC6.pcm.default {
	@args [ CARD ]
	@args.CARD {
		type string
	}
	type asym
	playback.pcm {
		type plug
		slave.pcm {
			@func concat
			strings [ "dmix:" $CARD ]
		}
	}
	capture.pcm {
		type plug
		slave.pcm {
			@func concat
			strings [ "dsnoop:" $CARD ]
		}
	}
}

<confdir:pcm/rear.conf>

# 2nd DAC
# FIXME: we need a volume attenuator for rear channel.
CMI8738-MC6.pcm.rear.0 {
	@args [ CARD ]
	@args.CARD {
		type string
	}
	type hw
	card $CARD
	device 1
}

<confdir:pcm/surround40.conf>

CMI8738-MC6.pcm.surround40.0 {
	@args [ CARD ]
	@args.CARD {
		type string
	}
	type hooks
	slave.pcm {
		type hw
		card $CARD
		device 1
		channels 4
	}
	hooks.0 {
		type ctl_elems
		hook_args [
			{
				name "Four Channel Mode"
				lock true
				preserve true
				value false
			}
		]
	}
}	

<confdir:pcm/surround21.conf>
<confdir:pcm/surround41.conf>
<confdir:pcm/surround50.conf>
<confdir:pcm/surround51.conf>

CMI8738-MC6.pcm.surround51.0 {
	@args [ CARD ]
	@args.CARD {
		type string
	}
	type hooks
	slave.pcm {
		type hw
		card $CARD
		device 1
		channels 6
	}
	hooks.0 {
		type ctl_elems
		hook_args [
			{
				name "Four Channel Mode"
				lock true
				preserve true
				value false
			}
		]
	}
}	

<confdir:pcm/iec958.conf>

CMI8738-MC6.pcm.iec958.0 {
	@args [ CARD AES0 AES1 AES2 AES3 ]
	@args.CARD {
		type string
	}
	@args.AES0 {
		type integer
	}
	@args.AES1 {
		type integer
	}
	@args.AES2 {
		type integer
	}
	@args.AES3 {
		type integer
	}
	type asym
	playback.pcm {
		type hooks
		slave.pcm {
			type hw
			card $CARD
			device 2
		}
		hooks.0 {
			type ctl_elems
			hook_args [
				{
					interface PCM
					name "IEC958 Playback PCM Stream"
					device 2
					lock true
					preserve true
					value [ $AES0 $AES1 $AES2 $AES3 ]
				}
				{
					name "IEC958 Loop"
					lock true
					preserve true
					value off
				}
			]
		}
	}
	capture.pcm {
		type hw
		card $CARD
		device 2
	}
}