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| author | Peter Mamonov <pmamonov@gmail.com> | 2017-03-23 00:38:03 +0300 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2017-03-24 07:15:30 +0100 |
| commit | f4ea4a134b1cd48d45575ea31539afb3d281ae37 (patch) | |
| tree | 824d7aa113e6f334d0201b29bc368848e5ce129a | |
| parent | 9df009de996436ef6a1dc293f391e4f4bd2a3a27 (diff) | |
| download | barebox-f4ea4a134b1cd48d45575ea31539afb3d281ae37.tar.gz barebox-f4ea4a134b1cd48d45575ea31539afb3d281ae37.tar.xz | |
usb_kbd: release all keys on error / disconnect
Signed-off-by: Peter Mamonov <pmamonov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | drivers/input/usb_kbd.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/input/usb_kbd.c b/drivers/input/usb_kbd.c index 2acc95d9fd..a2b92c2856 100644 --- a/drivers/input/usb_kbd.c +++ b/drivers/input/usb_kbd.c @@ -58,6 +58,14 @@ struct usb_kbd_pdata { struct input_device input; }; +static void usb_kbd_release_all_keys(struct usb_kbd_pdata *data) +{ + int i; + + for (i = 0; i <= KEY_MAX; i++) + input_report_key_event(&data->input, i, 0); +} + static int usb_kbd_int_poll(struct usb_kbd_pdata *data) { return usb_submit_int_msg(data->usbdev, data->intpipe, data->new, @@ -98,6 +106,8 @@ static void usb_kbd_poll(void *arg) int ret, i; ret = data->do_poll(data); + if (ret < 0) + usb_kbd_release_all_keys(data); if (ret == -EAGAIN) goto exit; if (ret < 0) { @@ -209,6 +219,7 @@ static void usb_kbd_disconnect(struct usb_device *usbdev) { struct usb_kbd_pdata *data = usbdev->drv_data; + usb_kbd_release_all_keys(data); poller_async_unregister(&data->poller); input_device_unregister(&data->input); dma_free(data->new); |