On Tue, Jun 4, 2024 at 1:55 PM Andy Shevchenko <andy.shevchenko@xxxxxxxxx> wrote: > On Tue, Jun 4, 2024 at 12:42 PM AngeloGioacchino Del Regno > <angelogioacchino.delregno@xxxxxxxxxxxxx> wrote: > > Il 02/06/24 12:11, Jonathan Cameron ha scritto: > > > On Thu, 30 May 2024 11:34:08 +0200 > > > AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx> wrote: ... > > > What are IMP channels? > > > > Honestly? Well, it's called like that. I don't have any clear description of that > > and not even datasheets are unrolling the meaning of "IMP". So.. I don't know. > > > > What I know is what I wrote in the driver, and this is: > > * IMP has IBAT and VBAT ADCs > > * It needs different handling from the other ADCs, as shown. > > > > ...and nothing else :-( > > I could speculate with confidence that this means IMPedance (since it's ADC). > > From MTK6329 datasheet: The datasheet for MTK6359 I found on https://ebin.pub/qdownload/mt6359-pmic-datasheet-15nbsped.html also has the same wording in "3.2.7 Fuel Gauge". > "The hardware also includes necessary modes to allow for simultaneous > current and voltage measurement > which can be utilized to estimate the battery impedance." > And googling vendor trees also suggests the same. -- With Best Regards, Andy Shevchenko
