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Date: Sat, 21 Jan 2017 13:08:47 +0000 From: Jonathan Cameron <jic23@...nel.org> To: "H. Nikolaus Schaller" <hns@...delico.com>, Sebastian Reichel <sre@...nel.org>, Dmitry Torokhov <dmitry.torokhov@...il.com>, Mark Rutland <mark.rutland@....com>, Benoît Cousson <bcousson@...libre.com>, Tony Lindgren <tony@...mide.com>, Russell King <linux@...linux.org.uk>, Arnd Bergmann <arnd@...db.de>, Michael Welling <mwelling@...e.org>, Mika Penttilä <mika.penttila@...tfour.com>, Javier Martinez Canillas <javier@....samsung.com>, Igor Grinberg <grinberg@...pulab.co.il>, "Andrew F. Davis" <afd@...com>, Mark Brown <broonie@...nel.org>, Rob Herring <robh+dt@...nel.org>, Alexander Stein <alexander.stein@...tec-electronic.com>, Eric Engestrom <eric@...estrom.ch>, Hans de Goede <hdegoede@...hat.com>, Benjamin Tissoires <benjamin.tissoires@...hat.com>, Petr Cvek <petr.cvek@....cz>, Mauro Carvalho Chehab <mchehab@...nel.org>, Hans Verkuil <hans.verkuil@...co.com>, Nick Dyer <nick@...anahar.org>, Siebren Vroegindeweij <siebren.vroegindeweij@...mail.com>, Michel Verlaan <michel.verl@...il.com> Cc: linux-input@...r.kernel.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org, letux-kernel@...nphoenux.org, linux-iio@...r.kernel.org, kernel@...a-handheld.com Subject: Re: [PATCH v9 0/8] drivers: touchscreen: tsc2007 and ads7846/tsc2046 improvements (use common touchscreen bindings, pre-calibration, spi fix and provide iio raw values) On 16/01/17 06:34, H. Nikolaus Schaller wrote: > ping Always good to say who you are pinging ;) Saves the rest of us wondering if we have missing something we should have reviewed. Guessing it's Dmitry in this case! Jonathan > >> Am 28.12.2016 um 15:53 schrieb H. Nikolaus Schaller <hns@...delico.com>: >> >> Changes V9: >> * added explicit CONFIG for TSC2007_IIO and simplified Makefile (suggested by Dmitry Torokhov <dmitry.torokhov@...il.com>) >> * make the tsc2007 iio patch the last one in this sequence >> >> 2016-11-22 15:02:42: Changes V8: >> * fix compilation for CONFIG_IIO=m (reported by Jonathan Cameron <jic23@...nel.org>) >> * add some more Reviewed-by: and Acked-by: >> * mutiple improvements suggested by Dmitry Torokhov <dmitry.torokhov@...il.com>: >> ** drop patch "send pendown and penup only once" (input core does take care of it now) >> ** remove not necessary EXPORT_SYMBOL >> ** remove explicit file names from comment header >> ** move tsc2007_iio_configure() to the end of the probe process and simplify the error path again >> ** remove unnecessary input_unregister_device() >> ** improvement for compilation with CONFIG_IIO=m and CONFIG_TSC2007=y >> >> 2016-11-11 20:02:11: Changes V7: >> * rearranged the include files (asked for by Jonathan Cameron <jic23@...nel.org>) >> * forward reference struct iio_dev * instead of condition in tsc2007.h (asked for by Jonathan Cameron <jic23@...nel.org>) >> * add some Acked-by: >> >> 2016-10-27 10:44:29: Changes V6: >> * iio patch (no changes elsewhere) >> - tsc2007_iio: fix a missing return 0 for non-iio case (found by kbuid test robot) >> - tsc2007_core: group error return paths so that tsc2007_iio_unconfigure is called at only one place >> - tsc2007_iio: fix copyright (this file is 100% original work) >> >> 2016-10-25 21:26:46: Changes V5: >> * ads7846: remove an empty line (suggested by Andrew F. Davis <afd@...com>) >> * ads7846: remove MODULE_ALIAS for SPI (suggested by Andrew F. Davis <afd@...com>) >> * tsc2007: fix a bug from swapping patch 3/n and patch 4/n (found by kbuild test robot) >> * refactored tsc2007 into tsc2007_core and tsc2007_iio (asked for by Jonathan Cameron <jic23@...nel.org>) >> >> 2016-10-17 16:00:02: Changes V4: >> * fix a merge/squash issue resulting in a non-bisectable patch set (suggested by kbuid test robot) >> * remove some unnecessary #include (suggested by Jonathan Cameron <jic23@...nel.org>) >> * make the iio extension depend on CONFIG_IIO rather than selecting it (suggested by Jonathan Cameron <jic23@...nel.org>) >> * swapped patch 3/n and patch 4/n to remove internal dependency >> >> 2016-09-23 14:41:23: Changes V3: >> * fix an issue with swapping >> * remove hard clipping to min/max rectangle - some systems expect to handle negative coordinates >> * make use of commit ed7c9870c9bc ("Input: of_touchscreen - add support for inverted / swapped axes") >> >> 2015-11-13 21:36:07: Changes V2: >> * add a patch to make drivers still recognise the old "ti,swap-xy" property (suggested by Rob Herring) >> >> 2015-11-06 16:14:53: V1: This patch series improves the drivers for the tsc2007 and >> ads7846/tsc2046 touchscreen controllers which are e.g. used by the GTA04 >> OpenPandora and Pyra devices. >> >> New common bindings have been defined by >> commit b98abe52fa8e ("Input: add common DT binding for touchscreens"): >> >> Documentation/devicetree/bindings/input/touchscreen/touchscreen.txt >> >> which also defines a helper function to parse the DT. These new parameters >> allow to specify the fuzz factors (jitter suppression), inversion of x or y axis and >> swapping of x and y to achieve inversion and rotation so that the touch >> coordinate axes match the natural orientation of the display panel. >> >> Another improvement is to better use the min/max ADC values and >> scale to the screen size as defined by the DT. This allows to coarsely >> calibrate the touch to match the LCD to which it is glued on so that the >> touch can quite precisely be operated before any user-space fine-calibration >> can be (and needs to be) started. >> >> For the adc7846 we fix an issue with the spi module table. >> >> Finally we add an iio interface for the AUX and temperature ADC channels of >> the tsc2007 and also provide the touch screen raw values. This allows to read >> an optional ambient light sensor installed on the gta04 board and improves >> calibration and hardware monitoring. >> >> >> H. Nikolaus Schaller (8): >> drivers:input:tsc2007: add new common binding names, pre-calibration, >> flipping and rotation >> drivers:input:tsc2007: check for presence and power down tsc2007 >> during probe >> DT:omap3+tsc2007: use new common touchscreen bindings >> drivers:input:ads7846(+tsc2046): add new common binding names, >> pre-calibration and flipping >> dt-bindings: input: move ads7846 bindings to touchscreen subdirectory >> drivers:input:ads7846(+tsc2046): fix spi module table >> DT:omap3+ads7846: use new common touchscreen bindings >> drivers:input:tsc2007: add iio interface to read external ADC input >> and temperature >> >> .../bindings/input/{ => touchscreen}/ads7846.txt | 9 +- >> .../bindings/input/touchscreen/tsc2007.txt | 20 +- >> arch/arm/boot/dts/omap3-gta04.dtsi | 25 ++- >> arch/arm/boot/dts/omap3-lilly-a83x.dtsi | 2 +- >> arch/arm/boot/dts/omap3-pandora-common.dtsi | 17 +- >> .../boot/dts/omap3-panel-sharp-ls037v7dw01.dtsi | 3 +- >> drivers/input/touchscreen/Kconfig | 10 + >> drivers/input/touchscreen/Makefile | 2 + >> drivers/input/touchscreen/ads7846.c | 71 ++++++-- >> drivers/input/touchscreen/tsc2007.h | 116 ++++++++++++ >> .../touchscreen/{tsc2007.c => tsc2007_core.c} | 201 ++++++++++++--------- >> drivers/input/touchscreen/tsc2007_iio.c | 150 +++++++++++++++ >> include/linux/i2c/tsc2007.h | 8 + >> 13 files changed, 520 insertions(+), 114 deletions(-) >> rename Documentation/devicetree/bindings/input/{ => touchscreen}/ads7846.txt (90%) >> create mode 100644 drivers/input/touchscreen/tsc2007.h >> rename drivers/input/touchscreen/{tsc2007.c => tsc2007_core.c} (74%) >> create mode 100644 drivers/input/touchscreen/tsc2007_iio.c >> >> -- >> 2.7.3 >> >
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