You are right, I was using headphones that had a microphone and the jacks on the card do not handle the Tip, Ring, Ring, Sleeve (TRRS) connector.
On Wed, Oct 24, 2018 at 2:11 PM Clemens Ladisch via Alsa-user <alsa-user@xxxxxxxxxxxxxxxxxxxxx> wrote:
Chad Skeeters wrote:
> It plays "Front Left", "Front Right" out of *both* speakers of headphones
> connected to the green headphone port on the back of the card. Then it
> plays "Rear Left", "Rear Right" out of both speakers of headphones
> connected to the black surround port on the back of the card.
The channels are entirely separated in the hardware.
This is likely to be a problem with the connector (not plugged in all the
way?) or with the headphones.
Regards,
Clemens
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