build/patch/kernel/archive/sunxi-6.4/patches.armbian/drv-input-touchscreen-sun4i-ts-Enable-parsing.patch

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From aa082564f745db2876d0530b81f0ff0e54c3ad54 Mon Sep 17 00:00:00 2001
From: Mitko Gamishev <hehopmajieh@debian.bg>
Date: Wed, 5 Feb 2020 15:18:04 +0200
Subject: [PATCH 048/153] drv:input:touchscreen:sun4i-ts Enable parsing
---
drivers/input/touchscreen/sun4i-ts.c | 19 +++++++++++++++----
1 file changed, 15 insertions(+), 4 deletions(-)
diff --git a/drivers/input/touchscreen/sun4i-ts.c b/drivers/input/touchscreen/sun4i-ts.c
index 73eb8f80b..da29f38bb 100644
--- a/drivers/input/touchscreen/sun4i-ts.c
+++ b/drivers/input/touchscreen/sun4i-ts.c
@@ -32,6 +32,7 @@
#include <linux/thermal.h>
#include <linux/init.h>
#include <linux/input.h>
+#include <linux/input/touchscreen.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/module.h>
@@ -106,6 +107,7 @@
struct sun4i_ts_data {
struct device *dev;
struct input_dev *input;
+ struct touchscreen_properties prop;
void __iomem *base;
unsigned int irq;
bool ignore_fifo_data;
@@ -123,8 +125,8 @@ static void sun4i_ts_irq_handle_input(struct sun4i_ts_data *ts, u32 reg_val)
y = readl(ts->base + TP_DATA);
/* The 1st location reported after an up event is unreliable */
if (!ts->ignore_fifo_data) {
- input_report_abs(ts->input, ABS_X, x);
- input_report_abs(ts->input, ABS_Y, y);
+ touchscreen_report_pos(ts->input, &ts->prop, x, y, false);
+
/*
* The hardware has a separate down status bit, but
* that gets set before we get the first location,
@@ -296,8 +298,17 @@ static int sun4i_ts_probe(struct platform_device *pdev)
ts->input->id.version = 0x0100;
ts->input->evbit[0] = BIT(EV_SYN) | BIT(EV_KEY) | BIT(EV_ABS);
__set_bit(BTN_TOUCH, ts->input->keybit);
- input_set_abs_params(ts->input, ABS_X, 0, 4095, 0, 0);
- input_set_abs_params(ts->input, ABS_Y, 0, 4095, 0, 0);
+
+ touchscreen_parse_properties(ts->input, false, &ts->prop);
+
+ if (!ts->prop.max_x || !ts->prop.max_y) {
+ dev_info(&pdev->dev, "Invalid configuration, using defaults\n");
+ ts->prop.max_x = 4095;
+ ts->prop.max_y = 4095;
+ }
+
+ input_set_abs_params(ts->input, ABS_X, 0, ts->prop.max_x, 0, 0);
+ input_set_abs_params(ts->input, ABS_Y, 0, ts->prop.max_y, 0, 0);
input_set_drvdata(ts->input, ts);
}
--
2.35.3