[tom@localhost ~]$ sudo hda-verb /dev/snd/hwC1D0 0x0 PARAMETERS 0x00
nid = 0x0, verb = 0xf00, param = 0x0
value = 0x10ec0295

[email protected]:vfio_region_read  (0000:00:1f.3:region0+0x48, 2) = 0x93
[email protected]:vfio_region_read  (0000:00:1f.3:region0+0x4a, 2) = 0x93
[email protected]:vfio_region_write  (0000:00:1f.3:region0+0x48, 0x94, 2)
[email protected]:vfio_region_read  (0000:00:1f.3:region0+0x24, 4) = 0xc0000000
[email protected]:vfio_region_read  (0000:00:1f.3:region0+0x5d, 1) = 0x1
[email protected]:vfio_region_read  (0000:00:1f.3:region0+0x58, 2) = 0x94
[email protected]:vfio_region_write  (0000:00:1f.3:region0+0x5d, 0x5, 1)
[email protected]:vfio_region_read  (0000:00:1f.3:region0+0x24, 4) = 0x0



[tom@localhost ~]$ sudo hda-verb /dev/snd/hwC1D0 0x0 PARAMETERS 0x02
nid = 0x0, verb = 0xf00, param = 0x2
value = 0x100002


[email protected]:vfio_region_read  (0000:00:1f.3:region0+0x48, 2) = 0x94
[email protected]:vfio_region_read  (0000:00:1f.3:region0+0x4a, 2) = 0x94
[email protected]:vfio_region_write  (0000:00:1f.3:region0+0x48, 0x95, 2)
[email protected]:vfio_region_read  (0000:00:1f.3:region0+0x24, 4) = 0xc0000000
[email protected]:vfio_region_read  (0000:00:1f.3:region0+0x5d, 1) = 0x1
[email protected]:vfio_region_read  (0000:00:1f.3:region0+0x58, 2) = 0x95
[email protected]:vfio_region_write  (0000:00:1f.3:region0+0x5d, 0x5, 1)
[email protected]:vfio_region_read  (0000:00:1f.3:region0+0x24, 4) = 0x0