Works fine on my rpi zero w cams, I have a bunch of them in use, they've proven ...

Works fine on my rpi zero w cams, I have a bunch of them in use, they've proven very reliable:

   PID USER      PR  NI    VIRT    RES    SHR S %CPU %MEM     TIME+ COMMAND                                     

   437 cam       20   0  120072  23352  15156 S 12.8  6.2  41:56.21 motion
  3417 regusr    20   0    8128   3272   2748 R  1.6  0.9   0:00.55 top                                         
    37 root       1 -19       0      0      0 S  0.6  0.0   1:39.16 vchiq-slot/0                                
   191 cam       20   0   59000  20040   9852 S  0.6  5.3   2:04.44 meyectl                                     
  2334 tun       20   0    9180   4948   4404 S  0.3  1.3   0:00.97 ssh                                         
  3398 regusr    20   0   11512   3780   3036 S  0.3  1.0   0:00.11 sshd                                        
  3404 root      20   0       0      0      0 I  0.3  0.0   0:00.09 kworker/u2:1                                
  3418 root      20   0       0      0      0 I  0.3  0.0   0:00.04 kworker/0:2