/sys/class/sound/card0/device/: -r--r--r-- 1 root root 4096 Nov 12 22:25 ari_enabled -rw-r--r-- 1 root root 4096 Nov 12 22:25 broken_parity_status -r--r--r-- 1 root root 4096 Nov 12 22:25 class -rw-r--r-- 1 root root 256 Nov 12 22:25 config -r--r--r-- 1 root root 4096 Nov 12 22:25 consistent_dma_mask_bits -rw-r--r-- 1 root root 4096 Nov 12 22:25 d3cold_allowed -r--r--r-- 1 root root 4096 Nov 12 22:25 device -r--r--r-- 1 root root 4096 Nov 12 22:25 dma_mask_bits lrwxrwxrwx 1 root root 0 Nov 12 23:17 driver -> ../../../bus/pci/drivers/saa7134 -rw-r--r-- 1 root root 4096 Nov 12 22:25 driver_override -rw-r--r-- 1 root root 4096 Nov 12 22:25 enable drwxr-xr-x 6 root root 0 Nov 12 22:25 i2c-0 -r--r--r-- 1 root root 4096 Nov 12 22:25 irq -r--r--r-- 1 root root 4096 Nov 12 22:25 local_cpulist -r--r--r-- 1 root root 4096 Nov 12 22:25 local_cpus -r--r--r-- 1 root root 4096 Nov 12 22:25 modalias -rw-r--r-- 1 root root 4096 Nov 12 22:25 msi_bus drwxr-xr-x 2 root root 0 Nov 12 22:25 power --w--w---- 1 root root 4096 Nov 12 22:25 remove --w--w---- 1 root root 4096 Nov 12 22:25 rescan --w------- 1 root root 4096 Nov 12 22:25 reset -r--r--r-- 1 root root 4096 Nov 12 22:25 resource -rw------- 1 root root 1024 Nov 12 22:25 resource0 -r--r--r-- 1 root root 4096 Nov 12 22:25 revision drwxr-xr-x 3 root root 0 Nov 12 22:25 sound lrwxrwxrwx 1 root root 0 Nov 12 22:25 subsystem -> ../../../bus/pci -r--r--r-- 1 root root 4096 Nov 12 22:25 subsystem_device -r--r--r-- 1 root root 4096 Nov 12 22:25 subsystem_vendor -rw-r--r-- 1 root root 4096 Nov 12 22:25 uevent -r--r--r-- 1 root root 4096 Nov 12 22:25 vendor drwxr-xr-x 6 root root 0 Nov 12 22:25 video4linux /sys/class/sound/card1/device/: drwxr-xr-x 3 root root 0 Nov 12 22:25 1-0:ALC655 -r--r--r-- 1 root root 4096 Nov 12 22:25 ari_enabled -rw-r--r-- 1 root root 4096 Nov 12 22:25 broken_parity_status -r--r--r-- 1 root root 4096 Nov 12 22:25 class -rw-r--r-- 1 root root 256 Nov 12 22:25 config -r--r--r-- 1 root root 4096 Nov 12 22:25 consistent_dma_mask_bits -rw-r--r-- 1 root root 4096 Nov 12 22:25 d3cold_allowed -r--r--r-- 1 root root 4096 Nov 12 22:25 device -r--r--r-- 1 root root 4096 Nov 12 22:25 dma_mask_bits lrwxrwxrwx 1 root root 0 Nov 12 23:17 driver -> ../../../bus/pci/drivers/snd_intel8x0 -rw-r--r-- 1 root root 4096 Nov 12 22:25 driver_override -rw-r--r-- 1 root root 4096 Nov 12 22:25 enable lrwxrwxrwx 1 root root 0 Nov 12 22:25 firmware_node -> ../../LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:0e -r--r--r-- 1 root root 4096 Nov 12 22:25 irq -r--r--r-- 1 root root 4096 Nov 12 22:25 local_cpulist -r--r--r-- 1 root root 4096 Nov 12 22:25 local_cpus -r--r--r-- 1 root root 4096 Nov 12 22:25 modalias -rw-r--r-- 1 root root 4096 Nov 12 22:25 msi_bus drwxr-xr-x 2 root root 0 Nov 12 22:25 power --w--w---- 1 root root 4096 Nov 12 22:25 remove --w--w---- 1 root root 4096 Nov 12 22:25 rescan --w------- 1 root root 4096 Nov 12 22:25 reset -r--r--r-- 1 root root 4096 Nov 12 22:25 resource -rw------- 1 root root 256 Nov 12 22:25 resource0 -rw------- 1 root root 128 Nov 12 22:25 resource1 -r--r--r-- 1 root root 4096 Nov 12 22:25 revision drwxr-xr-x 3 root root 0 Nov 12 22:25 sound lrwxrwxrwx 1 root root 0 Nov 12 22:25 subsystem -> ../../../bus/pci -r--r--r-- 1 root root 4096 Nov 12 22:25 subsystem_device -r--r--r-- 1 root root 4096 Nov 12 22:25 subsystem_vendor -rw-r--r-- 1 root root 4096 Nov 12 22:25 uevent -r--r--r-- 1 root root 4096 Nov 12 22:25 vendor