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Date: Sun, 26 Apr 2020 18:11:12 +0200 From: Michał Mirosław <mirq-linux@...e.qmqm.pl> To: David Heidelberg <david@...t.cz>, Dmitry Osipenko <digetx@...il.com>, Dmitry Torokhov <dmitry.torokhov@...il.com>, Henrik Rydberg <rydberg@...math.org>, James Chen <james.chen@....com.tw>, Johnny Chuang <johnny.chuang@....com.tw>, Rob Herring <robh+dt@...nel.org>, Scott Liu <scott.liu@....com.tw> Cc: linux-input@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH v4 04/10] input: elants: override touchscreen info with DT properties Allow overriding of information from hardware and support additional common DT properties like axis inversion. This is required for eg. Nexus 7 and TF300T where the programmed values in firmware differ from reality. Signed-off-by: Dmitry Osipenko <digetx@...il.com> [moved "prop" before DMA buffer] Signed-off-by: Michał Mirosław <mirq-linux@...e.qmqm.pl> --- drivers/input/touchscreen/elants_i2c.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/input/touchscreen/elants_i2c.c b/drivers/input/touchscreen/elants_i2c.c index 58aa9b7dbcbf..c08a7971cd32 100644 --- a/drivers/input/touchscreen/elants_i2c.c +++ b/drivers/input/touchscreen/elants_i2c.c @@ -32,6 +32,7 @@ #include <linux/slab.h> #include <linux/firmware.h> #include <linux/input/mt.h> +#include <linux/input/touchscreen.h> #include <linux/acpi.h> #include <linux/of.h> #include <linux/gpio/consumer.h> @@ -150,6 +151,7 @@ struct elants_data { unsigned int y_res; unsigned int x_max; unsigned int y_max; + struct touchscreen_properties prop; enum elants_state state; enum elants_iap_mode iap_mode; @@ -894,8 +896,7 @@ static void elants_i2c_mt_event(struct elants_data *ts, u8 *buf, input_mt_slot(input, i); input_mt_report_slot_state(input, MT_TOOL_FINGER, true); - input_event(input, EV_ABS, ABS_MT_POSITION_X, x); - input_event(input, EV_ABS, ABS_MT_POSITION_Y, y); + touchscreen_report_pos(input, &ts->prop, x, y, true); input_event(input, EV_ABS, ABS_MT_PRESSURE, p); input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, w); @@ -1322,6 +1323,8 @@ static int elants_i2c_probe(struct i2c_client *client, input_abs_set_res(ts->input, ABS_MT_POSITION_Y, ts->y_res); input_abs_set_res(ts->input, ABS_MT_TOUCH_MAJOR, 1); + touchscreen_parse_properties(ts->input, true, &ts->prop); + error = input_mt_init_slots(ts->input, MAX_CONTACT_NUM, INPUT_MT_DIRECT | INPUT_MT_DROP_UNUSED); if (error) { -- 2.20.1
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