On Fri, Jan 30, 2015 at 10:56:28AM +0530, Vignesh R wrote: > > > On Wednesday 07 January 2015 11:19 AM, Vignesh R wrote: > > From: Brad Griffis <bgriffis@xxxxxx> > > > > TSC interrupt handler had udelay to avoid reporting of false pen-up > > interrupt to user space. This patch implements workaround suggesting in > > Advisory 1.0.31 of silicon errata for am335x, thus eliminating udelay > > and touchscreen lag. This also improves performance of touchscreen and > > eliminates sudden jump of cursor at touch release. > > > > IDLECONFIG and CHARGECONFIG registers are to be configured > > with same values in order to eliminate false pen-up events. This > > workaround may result in false pen-down to be detected, hence considerable > > charge step delay needs to be added. The charge delay is set to 0xB000 > > (in terms of ADC clock cycles) by default. > > > > TSC steps are disabled at the end of every sampling cycle and EOS bit is > > set. Once the EOS bit is set, the TSC steps need to be re-enabled to begin > > next sampling cycle. > > > > Signed-off-by: Brad Griffis <bgriffis@xxxxxx> > > [vigneshr@xxxxxx: Ported the patch from v3.12 to v3.19rc1] > > > > Signed-off-by: Vignesh R <vigneshr@xxxxxx> > > --- > > Ping... Can somebody pick this patch series if there are no more comments?? Yes, I picked up everything but patch #3 as I assume Lee will merge it through MFD tree. Thanks. -- Dmitry -- 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
