On 23/05/16 17:48, Lasse Schuirmann wrote: > On 21 May 2016 at 19:46, Jonathan Cameron <jic23@xxxxxxxxxx> wrote: >> On 20/05/16 14:56, Lasse Schuirmann wrote: >>> On 20 May 2016 at 15:53, <jic23@xxxxxxxxxxxxxxxxxxxxx> wrote: >>>> On 19.05.2016 22:12, Jonathan Cameron wrote: >>>>> >>>>> On 19 May 2016 19:14:52 BST, Lasse Schuirmann >>>>> <lasse.schuirmann@xxxxxxxxx> wrote: >>>>>> >>>>>> Hi, >>>>>> >>>>>> I'm trying to use Linux on a Lenovo Yoga 300 and can't get the >>>>>> accelerometer running. It was suggested at >>>>>> >>>>>> https://github.com/hadess/iio-sensor-proxy/issues/83#issuecomment-220399560 >>>>>> that I contact this mailing list as no driver seems to exist yet. >>>>>> >>>>>> The device in question is an accelerometer from "Bitland Corporation" >>>>>> with the APCI ID "DUAL250E". >>>>>> >>>>>> Windows drivers seem to be available at >>>>>> http://driverlibs.com/download/Dual-Accelerometer. >>>>>> >>>>>> I wonder if somebody possibly has the same problem and/or would be >>>>>> interested in helping getting this to work. >>>>>> >>>>>> Sincerely, >>>>>> >>>>>> Lasse Schuirmann >>>>> >>>>> >>>>> Hmm long shot but any idea if it could be a rebadged bma250e which is a >>>>> Bosch >>>>> sensortech part? Not sure what the dual bit would be about though. >>>>> >>>>> Digging in those windows drivers may give us more info. They are on >>>>> lenovos >>>>> website as well. >>>>> >>>>> On phone right now but will have a look tomorrow. >>>>> >>>> >>>> Hmm. The driver in question is based on Microsoft's example accelerometer >>>> driver >>>> for an ADXL345. >>>> >>>> https://msdn.microsoft.com/en-us/library/windows/hardware/dn760713(v=vs.85).aspx >>>> >>>> Not sure this is going to get us much further though... >>>> >>>> No usefully named function names that I can get out of the >>>> DualSPDAccelerometer.dll >>>> Not sure where to go next on reverse engineering this. Are you willing to >>>> open things up to take a look at what is on the board? >>> >>> This is not my device so I can't say definitely but I may well be able >>> to open it up once if you tell me what you're looking for as I'm not >>> much of a hardware person. >> Pretty much playing guess which chip is the accelerometer - tend to be perhaps >> 3x3mm and see if it has a logo on the top or a more detailed part number. >> >> Otherwise, I'm guessing the laptop no longer has windows on it, so >> trying to snoop on bus transfers is going to be 'tricky'. > > windows is still present. Hmm. Anyone know how / if to snoop on ACPI calls in windows? Jonathan > -- > To unsubscribe from this list: send the line "unsubscribe linux-iio" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
