On Mon, 7 Nov 2022 08:47:54 +0100 Marten Lindahl <martenli@xxxxxxxx> wrote: > On Mon, Sep 26, 2022 at 11:18:58AM +0200, Mårten Lindahl wrote: > > Currently there is no way for userspace to make any configuration of > > the VCNL4040 sensors, but only the sensor readings are exported in > > sysfs. To support configuration for proximity integration time value, > > sysfs attributes for this needs to be exported. > > > > To begin with the runtime power management turns both sensors (ALS, and > > PS) on before reading the sensor register values and then switches > > them off again. But when doing so it writes the whole register instead > > of just switching the power on/off bit. This needs to be fixed in order > > to make other persistent configurations. > > > > Kind regards > > Mårten Lindahl > > Hi! > > I suspect this mail may have slipped through unnoticed since there has > not been any comments on it. v2 had some minor comments which I hope I > fixed. > > Jonathan? It's queued up. Not sure why I failed to send an email though - I'll probably find it's in my outbox on the other laptop or something equally silly. https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git/commit/drivers/iio/light/vcnl4000.c?h=testing&id=1a09d52bf0cab10580ab52f04f8b182f279be455 Jonathan > > Kind regards > Mårten > > > > > Changes in v3: > > - Rename defines for ALS/PS shutdown bits > > - Add local variable for building register value > > > > Changes in v2: > > - Removed unnecessary switch for chip id > > - Guard read/write sequence against potential race > > - Remove confusing boolean operation > > - Use bitmask macros instead of local field shifting > > - Use .read_avail callback instead of using IIO_CONST_ATTR > > - Skip [PATCH 2/3] iio: light: vcnl4000: Add enable attributes for vcnl4040 > > > > Mårten Lindahl (2): > > iio: light: vcnl4000: Preserve conf bits when toggle power > > iio: light: vcnl4000: Add ps_it attributes for vcnl4040 > > > > drivers/iio/light/vcnl4000.c | 185 +++++++++++++++++++++++++++++++++-- > > 1 file changed, 179 insertions(+), 6 deletions(-) > > > > -- > > 2.30.2 > >
