diff options
Diffstat (limited to 'drivers/hid/hid-magicmouse.c')
| -rw-r--r-- | drivers/hid/hid-magicmouse.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c index 318cc40df92..a5eda4c8127 100644 --- a/drivers/hid/hid-magicmouse.c +++ b/drivers/hid/hid-magicmouse.c @@ -76,7 +76,7 @@ MODULE_PARM_DESC(report_undeciphered, "Report undeciphered multi-touch state fie * This is true when single_touch_id is equal to NO_TOUCHES. If multiple touches * are down and the touch providing for single touch emulation is lifted, * single_touch_id is equal to SINGLE_TOUCH_UP. While single touch emulation is - * occuring, single_touch_id corresponds with the tracking id of the touch used. + * occurring, single_touch_id corresponds with the tracking id of the touch used. */ #define NO_TOUCHES -1 #define SINGLE_TOUCH_UP -2 @@ -418,6 +418,8 @@ static void magicmouse_setup_input(struct input_dev *input, struct hid_device *h input_set_abs_params(input, ABS_MT_POSITION_Y, -2456, 2565, 4, 0); } + + input_set_events_per_packet(input, 60); } if (report_undeciphered) { @@ -499,9 +501,17 @@ static int magicmouse_probe(struct hid_device *hdev, } report->size = 6; + /* + * The device reponds with 'invalid report id' when feature + * report switching it into multitouch mode is sent to it. + * + * This results in -EIO from the _raw low-level transport callback, + * but there seems to be no other way of switching the mode. + * Thus the super-ugly hacky success check below. + */ ret = hdev->hid_output_raw_report(hdev, feature, sizeof(feature), HID_FEATURE_REPORT); - if (ret != sizeof(feature)) { + if (ret != -EIO) { hid_err(hdev, "unable to request touch data (%d)\n", ret); goto err_stop_hw; } |