you have to ask the author why the driver create the headphone jack detection control if the driver should *NOT* do detection
https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/?id=d39a3ae8215ad90e68ca5fbbced507b07052018b + case HDA_FIXUP_ACT_PROBE: + /* CF-74 has no headphone detection, and the driver should *NOT* + * do detection and HP/speaker toggle because the hardware does it. + */ + spec->hp_detect = 0; + break; Node 0x0d [Pin Complex] wcaps 0x400181: Stereo Control: name="Front Headphone Jack", index=0, device=0 Pincap 0x0000003f: IN OUT HP Detect Trigger ImpSense Pin Default 0x0221401f: [Jack] HP Out at Ext Front Conn = 1/8, Color = Green DefAssociation = 0x1, Sequence = 0xf Pin-ctls: 0xc0: OUT HP Unsolicited: tag=04, enabled=1 Connection: 1 0x0b -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1225793 Title: [CF-74ECBAXBM, SigmaTel STAC9200, Speaker, Internal] Playback problem To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1225793/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
