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armbian_build/patch/kernel/archive/sunxi-5.17/patches.megous/input-kb151-Move-default-keymap-to-the-drvier.patch
The-going 0f7200c793
Sunxi 5.17 (#3613) 
* The initial state of a series of patches for sunxi-5.17

tag orange-pi-5.17-20220323-1423

* DEBUG for sunxi-5.17

* Add Armbian patches to 5.17

* Fix duplicate nodes for sun50i-h5-orangepi-pc2

* Fix reg_ahci_5v to status okay for bananapro board

* Remove an unused patch for an unsupported sun50i-h6-tanix-tx6 board
2022-03-31 20:32:04 +03:00

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From fa236c3c7a3afbf487ed12be021135053db97fa6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ond=C5=99ej=20Jirman?= <megi@xff.cz>
Date: Fri, 21 Jan 2022 23:24:20 +0100
Subject: [PATCH 399/456] input: kb151: Move default keymap to the drvier
Most users will not need to modify it, so let's not stuff device tree
by default. DT based keymap is still supported, too. Add a few error
messages, to help users with debugging issues with driver probing.
Signed-off-by: Ondrej Jirman <megi@xff.cz>
---
drivers/input/keyboard/kb151.c | 135 ++++++++++++++++++++++++++++++---
1 file changed, 123 insertions(+), 12 deletions(-)
diff --git a/drivers/input/keyboard/kb151.c b/drivers/input/keyboard/kb151.c
index bb6250efe934..41a68f0c3988 100644
--- a/drivers/input/keyboard/kb151.c
+++ b/drivers/input/keyboard/kb151.c
@@ -1,10 +1,12 @@
// SPDX-License-Identifier: GPL-2.0-only
//
// Copyright (C) 2021 Samuel Holland <samuel@sholland.org>
+// Copyright (C) 2022 Ondřej Jirman <megi@xff.cz>
#include <linux/crc8.h>
#include <linux/i2c.h>
#include <linux/input/matrix_keypad.h>
+#include <dt-bindings/input/input.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/pm_wakeirq.h>
@@ -12,16 +14,113 @@
#define KB151_CRC8_POLYNOMIAL 0x07
#define KB151_DEVICE_ID_HI 0x00
-#define KB151_DEVICE_ID_HI_VALUE 0x4b
+#define KB151_DEVICE_ID_HI_VALUE 0x4b
#define KB151_DEVICE_ID_LO 0x01
-#define KB151_DEVICE_ID_LO_VALUE 0x42
+#define KB151_DEVICE_ID_LO_VALUE 0x42
#define KB151_FW_REVISION 0x02
#define KB151_FW_FEATURES 0x03
#define KB151_MATRIX_SIZE 0x06
#define KB151_SCAN_CRC 0x07
#define KB151_SCAN_DATA 0x08
#define KB151_SYS_CONFIG 0x20
-#define KB151_SYS_CONFIG_DISABLE_SCAN BIT(0)
+#define KB151_SYS_CONFIG_DISABLE_SCAN BIT(0)
+
+/* default regmap from the factory */
+
+#define DEFAULT_MAP_ROWS 12
+#define DEFAULT_MAP_COLS 12
+
+static const u32 kb151_default_keymap[] = {
+ MATRIX_KEY(0, 0, KEY_ESC),
+ MATRIX_KEY(0, 1, KEY_1),
+ MATRIX_KEY(0, 2, KEY_2),
+ MATRIX_KEY(0, 3, KEY_3),
+ MATRIX_KEY(0, 4, KEY_4),
+ MATRIX_KEY(0, 5, KEY_5),
+ MATRIX_KEY(0, 6, KEY_6),
+ MATRIX_KEY(0, 7, KEY_7),
+ MATRIX_KEY(0, 8, KEY_8),
+ MATRIX_KEY(0, 9, KEY_9),
+ MATRIX_KEY(0, 10, KEY_0),
+ MATRIX_KEY(0, 11, KEY_BACKSPACE),
+ MATRIX_KEY(1, 0, KEY_TAB),
+ MATRIX_KEY(1, 1, KEY_Q),
+ MATRIX_KEY(1, 2, KEY_W),
+ MATRIX_KEY(1, 3, KEY_E),
+ MATRIX_KEY(1, 4, KEY_R),
+ MATRIX_KEY(1, 5, KEY_T),
+ MATRIX_KEY(1, 6, KEY_Y),
+ MATRIX_KEY(1, 7, KEY_U),
+ MATRIX_KEY(1, 8, KEY_I),
+ MATRIX_KEY(1, 9, KEY_O),
+ MATRIX_KEY(1, 10, KEY_P),
+ MATRIX_KEY(1, 11, KEY_ENTER),
+ MATRIX_KEY(2, 0, KEY_LEFTMETA),
+ MATRIX_KEY(2, 1, KEY_A),
+ MATRIX_KEY(2, 2, KEY_S),
+ MATRIX_KEY(2, 3, KEY_D),
+ MATRIX_KEY(2, 4, KEY_F),
+ MATRIX_KEY(2, 5, KEY_G),
+ MATRIX_KEY(2, 6, KEY_H),
+ MATRIX_KEY(2, 7, KEY_J),
+ MATRIX_KEY(2, 8, KEY_K),
+ MATRIX_KEY(2, 9, KEY_L),
+ MATRIX_KEY(2, 10, KEY_SEMICOLON),
+ MATRIX_KEY(3, 0, KEY_LEFTSHIFT),
+ MATRIX_KEY(3, 1, KEY_Z),
+ MATRIX_KEY(3, 2, KEY_X),
+ MATRIX_KEY(3, 3, KEY_C),
+ MATRIX_KEY(3, 4, KEY_V),
+ MATRIX_KEY(3, 5, KEY_B),
+ MATRIX_KEY(3, 6, KEY_N),
+ MATRIX_KEY(3, 7, KEY_M),
+ MATRIX_KEY(3, 8, KEY_COMMA),
+ MATRIX_KEY(3, 9, KEY_DOT),
+ MATRIX_KEY(3, 10, KEY_SLASH),
+ MATRIX_KEY(4, 1, KEY_LEFTCTRL),
+ MATRIX_KEY(4, 4, KEY_SPACE),
+ MATRIX_KEY(4, 6, KEY_APOSTROPHE),
+ MATRIX_KEY(4, 8, KEY_RIGHTBRACE),
+ MATRIX_KEY(4, 9, KEY_LEFTBRACE),
+ MATRIX_KEY(5, 2, KEY_FN),
+ MATRIX_KEY(5, 3, KEY_LEFTALT),
+ MATRIX_KEY(5, 5, KEY_RIGHTALT),
+
+ /* FN layer */
+ MATRIX_KEY(6, 1, KEY_BACKSLASH), // |
+ MATRIX_KEY(6, 2, KEY_BACKSLASH),
+ MATRIX_KEY(6, 3, KEY_DOLLAR),
+ MATRIX_KEY(6, 4, KEY_EURO),
+ MATRIX_KEY(6, 5, KEY_GRAVE), // ~
+ MATRIX_KEY(6, 6, KEY_GRAVE),
+ MATRIX_KEY(6, 7, KEY_MINUS), // _
+ MATRIX_KEY(6, 8, KEY_EQUAL),
+ MATRIX_KEY(6, 9, KEY_MINUS),
+ MATRIX_KEY(6, 10, KEY_EQUAL),
+ MATRIX_KEY(6, 11, KEY_DELETE),
+
+ MATRIX_KEY(8, 0, KEY_SYSRQ),
+ MATRIX_KEY(8, 10, KEY_INSERT),
+
+ MATRIX_KEY(9, 0, KEY_LEFTSHIFT),
+ MATRIX_KEY(9, 8, KEY_HOME),
+ MATRIX_KEY(9, 9, KEY_UP),
+ MATRIX_KEY(9, 10, KEY_END),
+
+ MATRIX_KEY(10, 1, KEY_LEFTCTRL),
+ MATRIX_KEY(10, 6, KEY_LEFT),
+ MATRIX_KEY(10, 8, KEY_RIGHT),
+ MATRIX_KEY(10, 9, KEY_DOWN),
+
+ MATRIX_KEY(11, 2, KEY_FN),
+ MATRIX_KEY(11, 3, KEY_LEFTALT),
+ MATRIX_KEY(11, 5, KEY_RIGHTALT),
+};
+
+static const struct matrix_keymap_data kb151_default_keymap_data = {
+ .keymap = kb151_default_keymap,
+ .keymap_size = ARRAY_SIZE(kb151_default_keymap),
+};
struct kb151 {
struct input_dev *input;
@@ -86,8 +185,9 @@ static void kb151_update(struct i2c_client *client)
dev_dbg(&client->dev, "FN is now %s\n",
pressed ? "pressed" : "released");
kb151->fn_state = pressed;
- } else
- input_report_key(kb151->input, keymap[code], pressed);
+ } else {
+ input_report_key(kb151->input, keymap[code], pressed);
+ }
}
}
input_sync(kb151->input);
@@ -156,26 +256,36 @@ static int kb151_probe(struct i2c_client *client)
struct device *dev = &client->dev;
u8 info[KB151_MATRIX_SIZE + 1];
unsigned int kb_rows, kb_cols;
- unsigned int map_rows, map_cols;
+ unsigned int map_rows = DEFAULT_MAP_ROWS, map_cols = DEFAULT_MAP_COLS;
struct kb151 *kb151;
+ bool has_of_keymap;
int ret;
+ has_of_keymap = of_property_read_bool(dev->of_node, "linux,keymap");
+
ret = i2c_smbus_read_i2c_block_data(client, 0, sizeof(info), info);
- if (ret != sizeof(info))
+ if (ret != sizeof(info)) {
+ dev_err(dev, "KB151 was not detected on the bus (%d)\n", ret);
return ret;
+ }
if (info[KB151_DEVICE_ID_HI] != KB151_DEVICE_ID_HI_VALUE ||
- info[KB151_DEVICE_ID_LO] != KB151_DEVICE_ID_LO_VALUE)
+ info[KB151_DEVICE_ID_LO] != KB151_DEVICE_ID_LO_VALUE) {
+ dev_warn(dev, "Device on address %hu doesn't look like KB151\n",
+ client->addr);
return -ENODEV;
+ }
dev_info(dev, "Found KB151 with firmware %d.%d (features=%#x)\n",
info[KB151_FW_REVISION] >> 4,
info[KB151_FW_REVISION] & 0xf,
info[KB151_FW_FEATURES]);
- ret = matrix_keypad_parse_properties(dev, &map_rows, &map_cols);
- if (ret)
- return ret;
+ if (has_of_keymap) {
+ ret = matrix_keypad_parse_properties(dev, &map_rows, &map_cols);
+ if (ret)
+ return ret;
+ }
kb_rows = info[KB151_MATRIX_SIZE] & 0xf;
kb_cols = info[KB151_MATRIX_SIZE] >> 4;
@@ -212,7 +322,8 @@ static int kb151_probe(struct i2c_client *client)
__set_bit(EV_REP, kb151->input->evbit);
- ret = matrix_keypad_build_keymap(NULL, NULL, map_rows, map_cols,
+ ret = matrix_keypad_build_keymap(has_of_keymap ? NULL : &kb151_default_keymap_data,
+ NULL, map_rows, map_cols,
NULL, kb151->input);
if (ret)
return dev_err_probe(dev, ret, "Failed to build keymap\n");
--
2.34.1
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