On Sat, Feb 12, 2011 at 11:01:11AM -0500, Andrew Lutomirski wrote: [ ... ] > > fan2_min == 200 (div = 64): > fan2_input == 138 (read at a different time, so may differ a little) > > [56013.556233] Reg 0028 = 46 > [56013.556243] Reg 0029 = 99 > [56013.556252] Reg 002a = 00 > [56013.556261] Reg 003f = 00 > [56013.556286] Reg 0630 = 0046 > [56013.556302] Reg 0631 = 4600 > [56013.556319] Reg 0632 = 0099 > [56013.556336] Reg 0633 = 9900 > [56013.556352] Reg 0634 = 0000 > [56013.556369] Reg 0635 = 0000 > [56013.556386] Reg 0636 = 0000 > [56013.556403] Reg 0637 = 0000 > [56013.556419] Reg 0656 = 025a > [56013.556436] Reg 0657 = 5a00 > [56013.556453] Reg 0658 = 0089 > [56013.556469] Reg 0659 = 8900 > [56013.556486] Reg 065a = 0000 > [56013.556502] Reg 065b = 0000 > [56013.556519] Reg 065c = 0000 > [56013.556536] Reg 065d = 0000 > > > fan2_min == 502 (div = 32): > fan2_input == 0 (read at a different time, so may differ a little) > > [56085.471272] w83627ehf: Found NCT6775F chip at 0x290 > [56085.471557] Reg 0028 = 45 > [56085.471567] Reg 0029 = 00 > [56085.471575] Reg 002a = 00 > [56085.471584] Reg 003f = 00 > [56085.471610] Reg 0630 = 0045 > [56085.471627] Reg 0631 = 4500 > [56085.471644] Reg 0632 = 0000 > [56085.471661] Reg 0633 = 0000 > [56085.471677] Reg 0634 = 0000 > [56085.471694] Reg 0635 = 0000 > [56085.471711] Reg 0636 = 0000 > [56085.471728] Reg 0637 = 0000 > [56085.471751] Reg 0656 = 0263 > [56085.471780] Reg 0657 = 6300 > [56085.471804] Reg 0658 = 0000 > [56085.471829] Reg 0659 = 0000 > [56085.471846] Reg 065a = 0000 > [56085.471864] Reg 065b = 0000 > [56085.471881] Reg 065c = 0000 > [56085.471898] Reg 065d = 0000 > > I assume it's 0x658 that should hold the RPM value. > Yes, for fan2. 0x656 would be fan1. Looks like that works. > If you haven't solved it remotely by Monday, I'll email Nuvoton and > ask for that datasheet... > Might be a good idea anyway. My take is that we might have to use the rpm registers directly. I'll prepare a patch for that. I'll also ask a contact at Nuvoton if they have an idea what is going on. Thanks, Guenter -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
