mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-20 06:08:08 +00:00
793f8ab62c
Add kernel patches for version 6.1. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
64 lines
2.0 KiB
Diff
64 lines
2.0 KiB
Diff
From ece2b3041c1182b41a17937d1894c58bd0b54364 Mon Sep 17 00:00:00 2001
|
|
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
|
|
Date: Fri, 26 Nov 2021 14:37:40 +0000
|
|
Subject: [PATCH] input: edt-ft5x06: Handle unreliable TOUCH_UP events
|
|
|
|
The ft5x06 is unreliable in sending touch up events, so some
|
|
touch IDs can become stuck in the detected state.
|
|
|
|
Ensure that IDs that are unreported by the controller are
|
|
released.
|
|
|
|
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
|
|
---
|
|
drivers/input/touchscreen/edt-ft5x06.c | 21 ++++++++++++++++++++-
|
|
1 file changed, 20 insertions(+), 1 deletion(-)
|
|
|
|
--- a/drivers/input/touchscreen/edt-ft5x06.c
|
|
+++ b/drivers/input/touchscreen/edt-ft5x06.c
|
|
@@ -130,6 +130,7 @@ struct edt_ft5x06_ts_data {
|
|
int offset_y;
|
|
int report_rate;
|
|
int max_support_points;
|
|
+ unsigned int known_ids;
|
|
|
|
char name[EDT_NAME_LEN];
|
|
char fw_version[EDT_NAME_LEN];
|
|
@@ -208,6 +209,9 @@ static irqreturn_t edt_ft5x06_ts_isr(int
|
|
int i, type, x, y, id;
|
|
int offset, tplen, datalen, crclen;
|
|
int error;
|
|
+ unsigned int active_ids = 0, known_ids = tsdata->known_ids;
|
|
+ long released_ids;
|
|
+ int b = 0;
|
|
|
|
switch (tsdata->version) {
|
|
case EDT_M06:
|
|
@@ -280,10 +284,25 @@ static irqreturn_t edt_ft5x06_ts_isr(int
|
|
|
|
input_mt_slot(tsdata->input, id);
|
|
if (input_mt_report_slot_state(tsdata->input, MT_TOOL_FINGER,
|
|
- type != TOUCH_EVENT_UP))
|
|
+ type != TOUCH_EVENT_UP)) {
|
|
touchscreen_report_pos(tsdata->input, &tsdata->prop,
|
|
x, y, true);
|
|
+ active_ids |= BIT(id);
|
|
+ } else {
|
|
+ known_ids &= ~BIT(id);
|
|
+ }
|
|
+ }
|
|
+
|
|
+ /* One issue with the device is the TOUCH_UP message is not always
|
|
+ * returned. Instead track which ids we know about and report when they
|
|
+ * are no longer updated
|
|
+ */
|
|
+ released_ids = known_ids & ~active_ids;
|
|
+ for_each_set_bit_from(b, &released_ids, tsdata->max_support_points) {
|
|
+ input_mt_slot(tsdata->input, b);
|
|
+ input_mt_report_slot_inactive(tsdata->input);
|
|
}
|
|
+ tsdata->known_ids = active_ids;
|
|
|
|
input_mt_report_pointer_emulation(tsdata->input, true);
|
|
input_sync(tsdata->input);
|