@Bartłomiej Żogała: Can you clarify a little whether your problem is the same as the original reporter's? You talk about external speakers, whereas Shawn talks about missing (internal, I assume) subwoofer?
Anyway, based on your bisection: $ git log --pretty=oneline v2.6.34..v2.6.35-rc2 sound/pci/hda/patch_realtek.c | grep ALSA 26fd74fc01991a18f0e3bd54f8b1b75945ee3dbb ALSA: hda: Use mb31 quirk for an iMac model b7cccc52feb142f48beae1566b749480fa9989de ALSA: hda - iMac9,1 sound fixes fbc256692eac29e04cf87e45736d7ff149180a52 ALSA: hda: Storage class should be before const qualifier ef5dbbccbbfa7d2211fa8efcc095a9f4a7912dda ALSA: hda - Remove superfluous external amp setup for ALC888 25e8d9b67b206b8bf9bf11699d1a7e67c87c1a2e ALSA: hda - Remove left-over debug printk in patch_realtek.c 489008cd58740fe3842822681d33bf87c07c3412 ALSA: hda - Fix ALC882 DAC connections in auto mode a68d5a5419d2a15161488b20f740115068e7b666 ALSA: hda - introduce snd_hda_codec_update_cache() ad35879aa192e783db2d41c196f48f3fc059ce22 ALSA: hda - Add mute LED support for HP laptop with ALC269 7fb5622326bf98437e629e94f8710eb12a90b30d ALSA: hda - Fix uninitialized variable warning in alc_auto_parse_customize_define() c027ddcd01c852dfa5880862e47f022d7d9402f5 ALSA: hda - Add alc_codec_rename() helper da00c24493bf6ae3772dfe7343dca033ebc75955 ALSA: hda - Add parse customize define function for Realtek codecs Out of these, I suspect one of these three, in this order: ef5dbbccbbfa7d2211fa8efcc095a9f4a7912dda ALSA: hda - Remove superfluous external amp setup for ALC888 489008cd58740fe3842822681d33bf87c07c3412 ALSA: hda - Fix ALC882 DAC connections in auto mode da00c24493bf6ae3772dfe7343dca033ebc75955 ALSA: hda - Add parse customize define function for Realtek codecs -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/662009 Title: [Lenovo Y530 - Realtek ALC888] Regression from 10.04: No sound with snd_hda_intel model=lenovo-sky -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
