/sys/class/sound/card0/device/: -r--r--r-- 1 root root 4096 Feb 8 19:12 ari_enabled -rw-r--r-- 1 root root 4096 Feb 8 19:12 broken_parity_status -r--r--r-- 1 root root 4096 Feb 8 19:12 class -rw-r--r-- 1 root root 256 Feb 8 19:12 config -r--r--r-- 1 root root 4096 Feb 8 19:12 consistent_dma_mask_bits -rw-r--r-- 1 root root 4096 Feb 8 19:12 d3cold_allowed --w------- 1 root root 4096 Feb 8 19:12 dev_rescan -r--r--r-- 1 root root 4096 Feb 8 19:12 device -r--r--r-- 1 root root 4096 Feb 8 19:12 dma_mask_bits lrwxrwxrwx 1 root root 0 Feb 8 19:12 driver -> ../../../bus/pci/drivers/saa7134 -rw-r--r-- 1 root root 4096 Feb 8 19:12 driver_override -rw-r--r-- 1 root root 4096 Feb 8 19:12 enable drwxr-xr-x 6 root root 0 Feb 8 19:12 i2c-1 -r--r--r-- 1 root root 4096 Feb 8 19:12 irq -r--r--r-- 1 root root 4096 Feb 8 19:12 local_cpulist -r--r--r-- 1 root root 4096 Feb 8 19:12 local_cpus -r--r--r-- 1 root root 4096 Feb 8 19:12 modalias -rw-r--r-- 1 root root 4096 Feb 8 19:12 msi_bus drwxr-xr-x 2 root root 0 Feb 8 19:12 power --w--w---- 1 root root 4096 Feb 8 19:12 remove --w------- 1 root root 4096 Feb 8 19:12 reset -r--r--r-- 1 root root 4096 Feb 8 19:12 resource -rw------- 1 root root 1024 Feb 8 19:12 resource0 -r--r--r-- 1 root root 4096 Feb 8 19:12 revision drwxr-xr-x 3 root root 0 Feb 8 19:12 sound lrwxrwxrwx 1 root root 0 Feb 8 19:12 subsystem -> ../../../bus/pci -r--r--r-- 1 root root 4096 Feb 8 19:12 subsystem_device -r--r--r-- 1 root root 4096 Feb 8 19:12 subsystem_vendor -rw-r--r-- 1 root root 4096 Feb 8 19:12 uevent -r--r--r-- 1 root root 4096 Feb 8 19:12 vendor drwxr-xr-x 6 root root 0 Feb 8 19:12 video4linux /sys/class/sound/card1/device/: drwxr-xr-x 3 root root 0 Feb 8 19:12 1-0:VIA1612A -r--r--r-- 1 root root 4096 Feb 8 19:12 ari_enabled -rw-r--r-- 1 root root 4096 Feb 8 19:12 broken_parity_status -r--r--r-- 1 root root 4096 Feb 8 19:12 class -rw-r--r-- 1 root root 256 Feb 8 19:12 config -r--r--r-- 1 root root 4096 Feb 8 19:12 consistent_dma_mask_bits -rw-r--r-- 1 root root 4096 Feb 8 19:12 d3cold_allowed --w------- 1 root root 4096 Feb 8 19:12 dev_rescan -r--r--r-- 1 root root 4096 Feb 8 19:12 device -r--r--r-- 1 root root 4096 Feb 8 19:12 dma_mask_bits lrwxrwxrwx 1 root root 0 Feb 8 19:12 driver -> ../../../bus/pci/drivers/snd_via82xx -rw-r--r-- 1 root root 4096 Feb 8 19:12 driver_override -rw-r--r-- 1 root root 4096 Feb 8 19:12 enable -r--r--r-- 1 root root 4096 Feb 8 19:12 irq -r--r--r-- 1 root root 4096 Feb 8 19:12 local_cpulist -r--r--r-- 1 root root 4096 Feb 8 19:12 local_cpus -r--r--r-- 1 root root 4096 Feb 8 19:12 modalias -rw-r--r-- 1 root root 4096 Feb 8 19:12 msi_bus drwxr-xr-x 2 root root 0 Feb 8 19:12 power --w--w---- 1 root root 4096 Feb 8 19:12 remove --w------- 1 root root 4096 Feb 8 19:12 reset -r--r--r-- 1 root root 4096 Feb 8 19:12 resource -rw------- 1 root root 256 Feb 8 19:12 resource0 -rw------- 1 root root 4 Feb 8 19:12 resource1 -rw------- 1 root root 4 Feb 8 19:12 resource2 -r--r--r-- 1 root root 4096 Feb 8 19:12 revision drwxr-xr-x 3 root root 0 Feb 8 19:12 sound lrwxrwxrwx 1 root root 0 Feb 8 19:12 subsystem -> ../../../bus/pci -r--r--r-- 1 root root 4096 Feb 8 19:12 subsystem_device -r--r--r-- 1 root root 4096 Feb 8 19:12 subsystem_vendor -rw-r--r-- 1 root root 4096 Feb 8 19:12 uevent -r--r--r-- 1 root root 4096 Feb 8 19:12 vendor