diff options
| author | Michal Suchanek <msuchanek@suse.de> | 2019-08-18 10:55:27 +0200 |
|---|---|---|
| committer | marex <marex@chi.lan> | 2019-09-11 10:11:29 +0200 |
| commit | 3437121c037f502a3b0faaec97059777034a1ead (patch) | |
| tree | 37400fd4fb2ce3b28b7f82f0530dc4d7efad1307 /common/usb.c | |
| parent | 50dce8fbf0c8b6f55e32c8d2d08ccf6e58168027 (diff) | |
usb: Add nonblock argument to submit_int_msg
This will be used to implement non-blocking keyboard polling in case of
errors.
Signed-off-by: Michal Suchanek <msuchanek@suse.de>
Diffstat (limited to 'common/usb.c')
| -rw-r--r-- | common/usb.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/common/usb.c b/common/usb.c index 14b2752139..d9bcb5a57e 100644 --- a/common/usb.c +++ b/common/usb.c @@ -192,12 +192,15 @@ int usb_disable_asynch(int disable) */ /* - * submits an Interrupt Message + * submits an Interrupt Message. Some drivers may implement non-blocking + * polling: when non-block is true and the device is not responding return + * -EAGAIN instead of waiting for device to respond. */ int usb_int_msg(struct usb_device *dev, unsigned long pipe, - void *buffer, int transfer_len, int interval) + void *buffer, int transfer_len, int interval, bool nonblock) { - return submit_int_msg(dev, pipe, buffer, transfer_len, interval); + return submit_int_msg(dev, pipe, buffer, transfer_len, interval, + nonblock); } /* |