@Thibaut, Doesn't matter, Alex already. provided the log.
Please run below commands and test speaker. If those commands don't work, I will contact realtek (I guess the spk amplifier is an i2s one, need special initialization). sudo hda-verb /dev/snd/hwC0D0 0x20 SET_COEF_INDEX 0x10 sudo hda-verb /dev/snd/hwC0D0 0x20 SET_PROC_COEF 0x0f20 //please test if speaker works. sudo hda-verb /dev/snd/hwC0D0 0x20 SET_COEF_INDEX 0x1b sudo hda-verb /dev/snd/hwC0D0 0x20 SET_PROC_COEF 0x0e4b //please test if speaker works. sudo hda-verb /dev/snd/hwC0D0 0x20 SET_COEF_INDEX 0x33 sudo hda-verb /dev/snd/hwC0D0 0x20 SET_PROC_COEF 0x8c00 //please test if speaker works. sudo hda-verb /dev/snd/hwC0D0 0x20 SET_COEF_INDEX 0x35 sudo hda-verb /dev/snd/hwC0D0 0x20 SET_PROC_COEF 0x8d6a //please test if speaker works. sudo hda-verb /dev/snd/hwC0D0 0x20 SET_COEF_INDEX 0x36 sudo hda-verb /dev/snd/hwC0D0 0x20 SET_PROC_COEF 0x5737 //please test if speaker works. sudo hda-verb /dev/snd/hwC0D0 0x20 SET_COEF_INDEX 0x37 sudo hda-verb /dev/snd/hwC0D0 0x20 SET_PROC_COEF 0xfe16 //please test if speaker works. sudo hda-verb /dev/snd/hwC0D0 0x20 SET_COEF_INDEX 0x38 sudo hda-verb /dev/snd/hwC0D0 0x20 SET_PROC_COEF 0x7981 //please test if speaker works. sudo hda-verb /dev/snd/hwC0D0 0x20 SET_COEF_INDEX 0x45 sudo hda-verb /dev/snd/hwC0D0 0x20 SET_PROC_COEF 0xd089 //please test if speaker works. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1918458 Title: [Swift SF515-51T, Realtek ALC256, Grey Speaker, Internal] Playback problem, no sound from speakers, headphones ok To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1918458/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
