Alexander Leidinger

Just another weblog

Jun
17

New sound dri­ver: envy24

I com­mit­ted the 5 year old envy24 dri­ver by Kat­sura­jima Naoto. Kon­stan­tin Dim­itrov spend some time to fix some bugs and to add sup­port for some more sound­cards. Cur­rently sup­ported / known to work are:

Reports about other work­ing devices are welcome.

There are some known prob­lems too, they are related to vchans, kldunload-ing of the dri­ver, 24bit sup­port, and some mixer prob­lems. Peo­ple which want to help or add sup­port for their sound­card can have a look at the already col­lected datasheets:

  • http://www.nbritton.org/uploads/envy24/
  • http://www.asahi-kasei.co.jp/akm/en/product/ak4528/ak4528_f01e.pdf
  • http://www.asahi-kasei.co.jp/akm/en/product/ak4528/ekd4528-01.pdf
  • http://www.asahi-kasei.co.jp/akm/en/product/ak4524/ak4524_f03e.pdf
  • http://www.asahi-kasei.co.jp/akm/en/product/ak4524/ekd4524.pdf
  • http://www.wolf­son.co.uk/uploads/documents/en/WM8728.pdf
  • http://www.richtech.co.kr/down/richtek/RT9131.pdf
  • http://xkodi.svobodno.com/xkodi/space71.html
  • http://people.freebsd.org/~lofi/envy24.pdf
  • http://people.freebsd.org/~lofi/4524.pdf
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