diff options
| author | Paul Mundt <lethal@linux-sh.org> | 2011-05-24 12:05:26 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2011-05-24 12:05:26 +0900 |
| commit | 8b1aaeaf54f1bcaa0bbec6bb170db367c998d27c (patch) | |
| tree | 2478e1708f5a3da261597f4aa1011d4d41c2cc84 /drivers/hid/hid-magicmouse.c | |
| parent | bca606a646a2b1f4fa1ae2b22a0ac707505d7297 (diff) | |
| parent | 5e152b4c9e0fce6149c74406346a7ae7e7a17727 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into rmobile-latest
Diffstat (limited to 'drivers/hid/hid-magicmouse.c')
| -rw-r--r-- | drivers/hid/hid-magicmouse.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c index 0ec91c18a42..a5eda4c8127 100644 --- a/drivers/hid/hid-magicmouse.c +++ b/drivers/hid/hid-magicmouse.c @@ -501,9 +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; } |