657 /* Bit 4 thru 11 is the S/PDIF category code */
1010 	/* Set clock source to Internal (as opposed to S/PDIF) */  in mbox3_setup_48_24_magic()
1130 	/* Mute the S/PDIF hardware loopback  in mbox3_setup_48_24_magic()
1135 	/* S/PDIF hardware input 1 left channel */  in mbox3_setup_48_24_magic()
1138 	/* S/PDIF hardware input 1 right channel */  in mbox3_setup_48_24_magic()
1141 	/* S/PDIF hardware input 2 left channel */  in mbox3_setup_48_24_magic()
1144 	/* S/PDIF hardware input 2 right channel */  in mbox3_setup_48_24_magic()
1147 	/* S/PDIF hardware input 3 left channel */  in mbox3_setup_48_24_magic()
1150 	/* S/PDIF hardware input 3 right channel */  in mbox3_setup_48_24_magic()
1153 	/* S/PDIF hardware input 4 left channel */  in mbox3_setup_48_24_magic()
1156 	/* S/PDIF hardware input 4 right channel */  in mbox3_setup_48_24_magic()
1159 	/* S/PDIF software return 1 left channel */  in mbox3_setup_48_24_magic()
1162 	/* S/PDIF software return 1 right channel */  in mbox3_setup_48_24_magic()
1165 	/* S/PDIF software return 2 left channel */  in mbox3_setup_48_24_magic()
1168 	/* S/PDIF software return 2 right channel */  in mbox3_setup_48_24_magic()
1174 	/* S/PDIF software return 3 left channel */  in mbox3_setup_48_24_magic()
1180 	/* S/PDIF software return 3 right channel */  in mbox3_setup_48_24_magic()
1183 	/* S/PDIF software return 4 left channel */  in mbox3_setup_48_24_magic()
1189 	/* S/PDIF software return 4 right channel */  in mbox3_setup_48_24_magic()
1195 	/* S/PDIF fx returns left channel */  in mbox3_setup_48_24_magic()
1198 	/* S/PDIF fx returns right channel */  in mbox3_setup_48_24_magic()
1516 	 * 1: 6 Analog + 2 S/PDIF  in s1810c_skip_setting_quirk()
1517 	 * 2: 6 Analog + 2 S/PDIF  in s1810c_skip_setting_quirk()
1521 	 * 1: 8 Analog + 2 S/PDIF + 8 ADAT  in s1810c_skip_setting_quirk()
1522 	 * 2: 8 Analog + 2 S/PDIF + 4 ADAT  in s1810c_skip_setting_quirk()