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acpigen_ps2_keybd: Support an Accessibility key

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Add support for an Accessibility key. HUTRR116 added support for a new
usage titled "System Accessibility Binding" which toggles a
system-wide bound accessibility UI or command.

BUG=b:333095388
TEST=Build and flash a board that contains an accessibility key. Verify
that KEY_ACCESSIBILITY is generated in the Linux kernel with patches[0]
that add this new event code using `evtest`.
```
Testing ... (interrupt to exit)
Event: time 1718924048.882841, -------------- SYN_REPORT ------------
Event: time 1718924054.062428, type 4 (EV_MSC), code 4 (MSC_SCAN), value a9
Event: time 1718924054.062428, type 1 (EV_KEY), code 590 (?), value 1
Event: time 1718924054.062428, -------------- SYN_REPORT ------------
Event: time 1718924054.195904, type 4 (EV_MSC), code 4 (MSC_SCAN), value a9
Event: time 1718924054.195904, type 1 (EV_KEY), code 590 (?), value 0
Event: time 1718924054.195904, -------------- SYN_REPORT ------------
```

[0] - https://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git/commit/?id=0c7dd00de018ff70b3452c424901816e26366a8a

Change-Id: Ifc639b37e89ec251f55859331ab5c2f4b2b45a7d
Signed-off-by: Aseda Aboagye <aaboagye@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/82996
Reviewed-by: Caveh Jalali <caveh@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Forest Mittelberg <bmbm@google.com>
This commit is contained in:
Aseda Aboagye 2024-06-08 03:48:04 +00:00 committed by Felix Held
parent a5e996feae
commit 2f69c2c40a
3 changed files with 3 additions and 0 deletions
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1
src/acpi/acpigen_ps2_keybd.c
View File

@ -57,6 +57,7 @@ static const uint32_t action_keymaps[] = {
[PS2_KEY_KBD_BKLIGHT_TOGGLE] = KEYMAP(0x9e, KEY_KBDILLUMTOGGLE), /* e01e */ [PS2_KEY_KBD_BKLIGHT_TOGGLE] = KEYMAP(0x9e, KEY_KBDILLUMTOGGLE), /* e01e */
[PS2_KEY_MENU] = KEYMAP(0xdd, KEY_CONTROLPANEL), /* e0d5 */ [PS2_KEY_MENU] = KEYMAP(0xdd, KEY_CONTROLPANEL), /* e0d5 */
[PS2_KEY_DICTATE] = KEYMAP(0xa7, KEY_DICTATE), /* e027*/ [PS2_KEY_DICTATE] = KEYMAP(0xa7, KEY_DICTATE), /* e027*/
[PS2_KEY_ACCESSIBILITY] = KEYMAP(0xa9, KEY_ACCESSIBILITY), /* e029 */
}; };
/* Keymap for numeric keypad keys */ /* Keymap for numeric keypad keys */

1
src/ec/google/chromeec/ec_acpi.c
View File

@ -234,6 +234,7 @@ static const enum ps2_action_key ps2_enum_val[] = {
[TK_MICMUTE] = PS2_KEY_MICMUTE, [TK_MICMUTE] = PS2_KEY_MICMUTE,
[TK_MENU] = PS2_KEY_MENU, [TK_MENU] = PS2_KEY_MENU,
[TK_DICTATE] = PS2_KEY_DICTATE, [TK_DICTATE] = PS2_KEY_DICTATE,
[TK_ACCESSIBILITY] = PS2_KEY_ACCESSIBILITY,
}; };
static void fill_ssdt_ps2_keyboard(const struct device *dev) static void fill_ssdt_ps2_keyboard(const struct device *dev)

1
src/include/acpi/acpigen_ps2_keybd.h
View File

@ -28,6 +28,7 @@ enum ps2_action_key {
PS2_KEY_MICMUTE, PS2_KEY_MICMUTE,
PS2_KEY_MENU, PS2_KEY_MENU,
PS2_KEY_DICTATE, PS2_KEY_DICTATE,
PS2_KEY_ACCESSIBILITY,
}; };
#define PS2_MIN_TOP_ROW_KEYS 2 #define PS2_MIN_TOP_ROW_KEYS 2