2015-04-27 0:05 GMT+08:00 Takashi Iwai <<a href="mailto:tiwai@suse.de">tiwai@suse.de</a>>: > > At Sun, 26 Apr 2015 09:20:12 -0600, > Glenn Golden wrote: > > > > Anyway, just my 2c, and entirely distinct from the issue at hand. Let's get > > the LED working as intended first. > > It's likely just a missing quirk application. There was already a > quick specific to your device (17aa:215e), but this doesn't include > the thinkpad_acpi hook. > > A patch like below may fix the issue. Give it a try. > Seem Thinkpad T510 has Conexant codec instead of realtek !!Advanced information - PCI Vendor/Device/Subsystem ID's !!------------------------------------------------------- 00:1b.0 0403: 8086:3b56 (rev 06) Subsystem: 17aa:215e Codec: Conexant CX20585 Address: 0 AFG Function Id: 0x1 (unsol 1) MFG Function Id: 0x2 (unsol 1) Vendor Id: 0x14f15069 Subsystem Id: 0x17aa218b Revision Id: 0x100302 <a href="https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/pci/hda/patch_conexant.c?id=d70f363222ef373c2037412f09a600357cfa1c7a">https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/pci/hda/patch_conexant.c?id=d70f363222ef373c2037412f09a600357cfa1c7a</a> Seem T410 and T510 have same PCI SSID but different Codec SSID