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Merge branch 'for-5.19/apple' into for-linus

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- Support for Keychron keyboards (Bryan Cain)
This commit is contained in:
Jiri Kosina 2022-05-24 10:55:37 +02:00
commit cf620bdad8
1 changed files with 18 additions and 4 deletions
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22
drivers/hid/hid-apple.c
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@ -21,6 +21,7 @@
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/timer.h>
#include <linux/string.h>
#include "hid-ids.h"
@ -35,16 +36,17 @@
#define APPLE_NUMLOCK_EMULATION BIT(8)
#define APPLE_RDESC_BATTERY BIT(9)
#define APPLE_BACKLIGHT_CTL BIT(10)
#define APPLE_IS_KEYCHRON BIT(11)
#define APPLE_FLAG_FKEY 0x01
#define HID_COUNTRY_INTERNATIONAL_ISO 13
#define APPLE_BATTERY_TIMEOUT_MS 60000
static unsigned int fnmode = 1;
static unsigned int fnmode = 3;
module_param(fnmode, uint, 0644);
MODULE_PARM_DESC(fnmode, "Mode of fn key on Apple keyboards (0 = disabled, "
"[1] = fkeyslast, 2 = fkeysfirst)");
"1 = fkeyslast, 2 = fkeysfirst, [3] = auto)");
static int iso_layout = -1;
module_param(iso_layout, int, 0644);
@ -349,6 +351,7 @@ static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input,
const struct apple_key_translation *trans, *table;
bool do_translate;
u16 code = 0;
unsigned int real_fnmode;
u16 fn_keycode = (swap_fn_leftctrl) ? (KEY_LEFTCTRL) : (KEY_FN);
@ -359,7 +362,13 @@ static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input,
return 1;
}
if (fnmode) {
if (fnmode == 3) {
real_fnmode = (asc->quirks & APPLE_IS_KEYCHRON) ? 2 : 1;
} else {
real_fnmode = fnmode;
}
if (real_fnmode) {
if (hid->product == USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI ||
hid->product == USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO ||
hid->product == USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS ||
@ -406,7 +415,7 @@ static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input,
if (!code) {
if (trans->flags & APPLE_FLAG_FKEY) {
switch (fnmode) {
switch (real_fnmode) {
case 1:
do_translate = !asc->fn_on;
break;
@ -660,6 +669,11 @@ static int apple_input_configured(struct hid_device *hdev,
asc->quirks &= ~APPLE_HAS_FN;
}
if (strncmp(hdev->name, "Keychron", 8) == 0) {
hid_info(hdev, "Keychron keyboard detected; function keys will default to fnmode=2 behavior\n");
asc->quirks |= APPLE_IS_KEYCHRON;
}
return 0;
}