[PATCH v6 3/5] platform/x86: bitland-mifs-wmi: Add Redmi mic-mute key entries

[Mingyou Chen <qby140326@gmail.com>]

Add the missing Redmibook mic-mute hotkey definitions to the shared
sparse keymap table:
- 0x00002101 (Fn-lock disabled state)
- 0x00012101 (Fn-lock enabled state)

Reported-by: Nika Krasnova <nika@nikableh.moe>
Link:
https://lore.kernel.org/platform-driver-x86/20260531123345.237521-1-nika@nikableh.moe/
Signed-off-by: Mingyou Chen <qby140326@gmail.com>
---
 drivers/platform/x86/bitland-mifs-wmi.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/platform/x86/bitland-mifs-wmi.c b/drivers/platform/x86/bitland-mifs-wmi.c
index e1a81e89856e..df317aa6f555 100644
--- a/drivers/platform/x86/bitland-mifs-wmi.c
+++ b/drivers/platform/x86/bitland-mifs-wmi.c
@@ -634,6 +634,10 @@ static const struct key_entry bitland_mifs_wmi_keymap[] = {
 	{ KE_KEY, BI_HOTKEY_CODE(WMI_EVENT_RESERVED_1, 1, 0), { KEY_SWITCHVIDEOMODE } },
 	{ KE_KEY, BI_HOTKEY_CODE(WMI_EVENT_REFRESH_RATE, 0, 0), { KEY_REFRESH_RATE_TOGGLE } },
 
+	/* Mic-mute key */
+	{ KE_KEY,    BI_HOTKEY_CODE(0x21, 0, 0), { KEY_MICMUTE } },
+	{ KE_KEY,    BI_HOTKEY_CODE(0x21, 1, 0), { KEY_MICMUTE } },
+
 	/* AI button has code for each position */
 	{ KE_KEY, BI_HOTKEY_CODE(WMI_EVENT_FN_5, 1, 0), { KEY_ASSISTANT } },
 
-- 
2.55.0