On 10/1/18 6:43 PM, Rodney W. Grimes wrote: >> Hi >> >> While sound work out of the box (with headphone switching) on the 1-2 year >> older Latitude 7270, it does not on my new machine. >> >> The internal speaker works fine. If I plug in external speakers in the >> headphone jack, sound still goes to the internal speaker while a very load >> buzz comes from the external speakers. >> >> Do we have a solution for this? > I do not believe we have anything that detects stuff plugged into > and removed from the newer sound stuff that needs switching to > change from internal to external speakers. > > I think you need to do what I have to do when I plug in external > speakers on my thinkpad x230: > sysctl hw.snd.default_unit=1 > > And when I unplug them I have to do: > sysctl hw.snd.default_unit=0 > > to switch back to the internal speakers. Hi Rod, Can you post the output of 'sysctl dev.pcm' and 'sysctl dev.hdaa'Received on Tue Oct 02 2018 - 05:36:44 UTC
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