diff options
| author | Kerem Karabay <kekrby@gmail.com> | 2025-05-27 22:13:15 +0530 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.com> | 2025-06-11 11:25:26 +0200 |
| commit | 7dfe48bdc9d38db46283f2e0281bc1626277b8bf (patch) | |
| tree | 0db35f718571a0ced163f42bb4871f42ba5b44d9 | |
| parent | e0976a61a543b5e03bc0d08030a0ea036ee3751d (diff) | |
HID: multitouch: take cls->maxcontacts into account for Apple Touch Bar even without a HID_DG_CONTACTMAX field
In Apple Touch Bar, the HID_DG_CONTACTMAX is not present, but the maximum
contact count is still greater than the default. Add quirks for the same.
Acked-by: Benjamin Tissoires <bentiss@kernel.org>
Signed-off-by: Kerem Karabay <kekrby@gmail.com>
Co-developed-by: Aditya Garg <gargaditya08@live.com>
Signed-off-by: Aditya Garg <gargaditya08@live.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
| -rw-r--r-- | drivers/hid/hid-multitouch.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index e3382afc74c9..756136f84168 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -1335,6 +1335,13 @@ static int mt_touch_input_configured(struct hid_device *hdev, struct input_dev *input = hi->input; int ret; + /* + * HID_DG_CONTACTMAX field is not present on Apple Touch Bars, + * but the maximum contact count is greater than the default. + */ + if (cls->quirks & MT_QUIRK_APPLE_TOUCHBAR && cls->maxcontacts) + td->maxcontacts = cls->maxcontacts; + if (!td->maxcontacts) td->maxcontacts = MT_DEFAULT_MAXCONTACT; |