diff options
Diffstat (limited to 'drivers/hid/hid-magicmouse.c')
| -rw-r--r-- | drivers/hid/hid-magicmouse.c | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c index 39d7956066cf..664a624a363d 100644 --- a/drivers/hid/hid-magicmouse.c +++ b/drivers/hid/hid-magicmouse.c @@ -51,6 +51,8 @@ static bool report_undeciphered; module_param(report_undeciphered, bool, 0644); MODULE_PARM_DESC(report_undeciphered, "Report undeciphered multi-touch state field using a MSC_RAW event"); +#define TRACKPAD2_2021_BT_VERSION 0x110 + #define TRACKPAD_REPORT_ID 0x28 #define TRACKPAD2_USB_REPORT_ID 0x02 #define TRACKPAD2_BT_REPORT_ID 0x31 @@ -259,8 +261,11 @@ static void magicmouse_emit_touch(struct magicmouse_sc *msc, int raw_id, u8 *tda unsigned long now = jiffies; int step_x = msc->touches[id].scroll_x - x; int step_y = msc->touches[id].scroll_y - y; - int step_hr = ((64 - (int)scroll_speed) * msc->scroll_accel) / - SCROLL_HR_STEPS; + int step_hr = + max_t(int, + ((64 - (int)scroll_speed) * msc->scroll_accel) / + SCROLL_HR_STEPS, + 1); int step_x_hr = msc->touches[id].scroll_x_hr - x; int step_y_hr = msc->touches[id].scroll_y_hr - y; @@ -538,10 +543,22 @@ static int magicmouse_setup_input(struct input_dev *input, struct hid_device *hd __set_bit(REL_HWHEEL_HI_RES, input->relbit); } } else if (input->id.product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD2) { - /* setting the device name to ensure the same driver settings - * get loaded, whether connected through bluetooth or USB + /* If the trackpad has been connected to a Mac, the name is + * automatically personalized, e.g., "José Expósito's Trackpad". + * When connected through Bluetooth, the personalized name is + * reported, however, when connected through USB the generic + * name is reported. + * Set the device name to ensure the same driver settings get + * loaded, whether connected through bluetooth or USB. */ - input->name = "Apple Inc. Magic Trackpad 2"; + if (hdev->vendor == BT_VENDOR_ID_APPLE) { + if (input->id.version == TRACKPAD2_2021_BT_VERSION) + input->name = "Apple Inc. Magic Trackpad"; + else + input->name = "Apple Inc. Magic Trackpad 2"; + } else { /* USB_VENDOR_ID_APPLE */ + input->name = hdev->name; + } __clear_bit(EV_MSC, input->evbit); __clear_bit(BTN_0, input->keybit); |