cycles_per_us 98 drivers/input/keyboard/nspire-keypad.c unsigned long val = 0, cycles_per_us, delay_cycles, row_delay_cycles; cycles_per_us 100 drivers/input/keyboard/nspire-keypad.c cycles_per_us = (clk_get_rate(keypad->clk) / 1000000); cycles_per_us 101 drivers/input/keyboard/nspire-keypad.c if (cycles_per_us == 0) cycles_per_us 102 drivers/input/keyboard/nspire-keypad.c cycles_per_us = 1; cycles_per_us 104 drivers/input/keyboard/nspire-keypad.c delay_cycles = cycles_per_us * keypad->scan_interval; cycles_per_us 108 drivers/input/keyboard/nspire-keypad.c row_delay_cycles = cycles_per_us * keypad->row_delay;