UPDATE:
Problem solved.
i tested several big distros the last days and weeks on that toshiba
r500 12p notebook / netbook without any luck or sound. so today i
decided to temporarily reinstall windows 7 to try out sound there and
see if i can unlock or unmute the sound. even with the original
i dont know what you are talking about. the volume knob i am talking
about is a physical controll wheel on the toshiba portege R500-12P Model
PPR50E-06W09QGR notebook or netbook.
in the meanwhile since my report i tested MANY more linux distros.
ubuntu up to 16, mint, arch, debian 8 . If the
** Attachment added: "this is the DSDT of this toshiba notebook running debian
8"
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1511148/+attachment/4734931/+files/DSDT
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Node 0x21 [Volume Knob Widget] wcaps 0x600080: Mono
Volume-Knob: delta=0, steps=32, direct=0, val=64
Unsolicited: tag=00, enabled=0
Connection: 0
volume knob seem not enabled
do you mean thr driver enable volume knob in previous version ?
