Hi Pascal, >-----Original Message----- >From: Pascal Wichmann [mailto:pascal.wichmann@xxxxxxx] >Sent: Friday, March 31, 2017 12:36 AM >To: Yang, Libin <libin.yang@xxxxxxxxx>; Libin Yang ><libin.yang@xxxxxxxxxxxxxxx>; alsa-devel@xxxxxxxxxxxxxxxx >Subject: Re: Problems with the DP MST audio support patchset > >-----BEGIN PGP SIGNED MESSAGE----- >Hash: SHA256 > >Hi, > >> Do you mean the issue is caused by the patches >> 1480992519-108079-1-git-send-email-libin.yang@xxxxxxxxx? >I don't know whether the issues are caused directly by the specific patches; >without them, digital audio does not work at all in my setup. Using analog >audio however does not have the problems mentioned in my first email. > >> I can't see which patches are included you mentioned in the link. >I am building my kernel from drm-tip. The relevant patches enabling DP M ST >audio seem to be "ALSA: hda - add DP mst verb support" [0] as well as >"ALSA: hda - add DP MST audio support" [1]. > >> Do you know if the DP MST audio mode is used in your case? >I think it is used; at least dp/hdmi audio does not work at all without building >against drm-tip. (the outputs are all stated as unplugged and unavailable in >pavucontrol for example) Is there any way to know for sure? Get it. Basically, 5.1 audio should work. What format are you using for testing the 5.1 audio? Regards, Libin > >Regards, >Pascal > >[0] >https://cgit.freedesktop.org/drm-tip/commit/?id=13800f397ee3b4996f316b9c >aa8482cb90edef0d >[1] >https://cgit.freedesktop.org/drm-tip/commit/?id=9152085defb6426ce8f9989c >a27e4450daefbd89 >-----BEGIN PGP SIGNATURE----- > >iQIzBAEBCAAdFiEE/gJ8Tpn0OtJz8hxD6+YIa34W/zYFAljdM90ACgkQ6+YIa34W >/zZk8A//YmadcSwYQTJIJKHJREjGSITGPx6wQYA8dix2EvP0frhnL5LEAfzCUD0b >05H9cc+kBG3z6dIs6yytX6TFtKlqnE/ka1D80+ZYiMf/RTYpowJWXogoPF8iVW68 >MTaUtM5/CGhFF/e1V7AKDX36r5eVKYwKNUIb1vXE+nU6WbuzNrQn/vgwtIboC >Xsj >AQVC9RT7sRHnNVNq+WD4NYNSKfTJasnhbGo1+X3eTjY5vcWb/5H3ysaayW9W >qnkI >W3jYdoQmWCDZC14dKGnNZJ5J1WlF03qh95bQTJB7CDl66Nqqck621MbSzLp3+ >2xv >0eliZLcdumLhzu6wjTKcqXsyhejhRYYR25AfKGvB8zbujKnHZOSWO1T5QgJKOVHY >oAQAgivpmNppGuNBmFKOWDnB5pec+kx3YDo9TnTUhPfXs04vGV0nnzugt9iu9 >STq >kzhu5fTmRfNK6uImcL4lo8JKmFu8Ws60kO0OcuUh8xd0dFy1vNF4qA0cZZywBG >p+ >YSsTzKhljHiq2aV1CpG2xMIom1YR38agTVWbL1aeGZf3FZUhD1+G9aLB1Lz6dmf >g >lLlne94HGnvgGoJkTx7BR6MRmUDDb4E8sdnx/yGtJ8ILKImAMJBURHfdcv3wp+G >C >oihf+BjIdV7BSDFMBxW/UeEM616rmNOGbG7zWxXoH6ZTWB50CwA= >=8Sl2 >-----END PGP SIGNATURE----- _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
