prev_sync 551 drivers/hid/intel-ish-hid/ipc/ipc.c static unsigned long prev_sync; prev_sync 554 drivers/hid/intel-ish-hid/ipc/ipc.c if (prev_sync && jiffies - prev_sync < 20 * HZ) prev_sync 557 drivers/hid/intel-ish-hid/ipc/ipc.c prev_sync = jiffies;