diff options
| -rw-r--r-- | firmware/target/mips/ingenic_jz47xx/usb-jz4740.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/firmware/target/mips/ingenic_jz47xx/usb-jz4740.c b/firmware/target/mips/ingenic_jz47xx/usb-jz4740.c index e519efc..5ba8dd6 100644 --- a/firmware/target/mips/ingenic_jz47xx/usb-jz4740.c +++ b/firmware/target/mips/ingenic_jz47xx/usb-jz4740.c @@ -633,9 +633,15 @@ void usb_init_device(void) } #ifdef USB_GPIO_IRQ +static unsigned long last_tick; void USB_GPIO_IRQ(void) { - usb_status_event(usb_detect()); + /* Prevent enabled-disabled bouncing */ + if(current_tick - last_tick > HZ/16) + { + usb_status_event(usb_detect()); + last_tick = current_tick; + } } #endif |