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Date: Fri, 21 Nov 2014 16:11:02 +0100 From: Johannes Pointner <johannes.pointner@...il.com> To: Vignesh R <vigneshr@...com> Cc: Sekhar Nori <nsekhar@...com>, Dmitry Torokhov <dmitry.torokhov@...il.com>, Lee Jones <lee.jones@...aro.org>, Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>, Mark Rutland <mark.rutland@....com>, Ian Campbell <ijc+devicetree@...lion.org.uk>, Kumar Gala <galak@...eaurora.org>, Benoit Cousson <bcousson@...libre.com>, Tony Lindgren <tony@...mide.com>, Russell King <linux@....linux.org.uk>, Jonathan Cameron <jic23@...nel.org>, Hartmut Knaack <knaack.h@....de>, Sebastian Andrzej Siewior <bigeasy@...utronix.de>, Lars-Peter Clausen <lars@...afoo.de>, Peter Meerwald <pmeerw@...erw.net>, Samuel Ortiz <sameo@...ux.intel.com>, Felipe Balbi <balbi@...com>, Brad Griffis <bgriffis@...com>, Sanjeev Sharma <sanjeev_sharma@...tor.com>, Paul Gortmaker <paul.gortmaker@...driver.com>, Jan Kardell <jan.kardell@...liq.com>, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-iio <linux-iio@...r.kernel.org>, linux-input@...r.kernel.org, Robert Nelson <robertcnelson@...il.com>, Richard Cochran <richardcochran@...il.com> Subject: Re: [PATCH v4 3/6] mfd: ti_am335x_tscadc: Remove unwanted reg_se_cache save I tested version 4 of the patch series on a custom design and I saw also the jumps as described by Richard. I played a little with the sample delay and it got better but I couldn't completely remove the jumps. The other issue I had with version 3, the pen_ups during the busy loop, is solved. I experienced some pen_up misses during the busy loop if I used a too high sample delay, without the sample delay it was ok. Thanks, Hannes 2014-11-21 14:10 GMT+01:00 Richard Cochran <richardcochran@...il.com>: > On Fri, Nov 21, 2014 at 05:40:12PM +0530, Sekhar Nori wrote: >> Not sure how to reproduce the jumping on pen-up. > > Does the cursor stay in exactly the same spot when you lift up the > stylus? Then you don't have the issue. > > On the BB white using the LCD4 cape and the shipped debian kernel, the > cursor *does* jump away, but not as often or as far as on the custom > design I was working with. > > Thanks, > Richard > -- > To unsubscribe from this list: send the line "unsubscribe linux-input" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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