The choice of "USB keyboard polling" cannot be optional as without
one mechanism being set, it just doesn't work. Set the default one
to CONFIG_SYS_USB_EVENT_POLL.
Signed-off-by: Bin Meng <bmeng...@gmail.com>
---
drivers/usb/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig
index da3ec2f..acbac69 100644
--- a/drivers/usb/Kconfig
+++ b/drivers/usb/Kconfig
@@ -75,7 +75,7 @@ if USB_KEYBOARD
choice
prompt "USB keyboard polling"
- optional
+ default SYS_USB_EVENT_POLL
---help---
Enable a polling mechanism for USB keyboard.
--
2.9.2
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