pidff_usage
static int pidff_find_fields(struct pidff_usage *usage, const u8 *table,
struct pidff_usage set_effect[ARRAY_SIZE(pidff_set_effect)];
struct pidff_usage set_envelope[ARRAY_SIZE(pidff_set_envelope)];
struct pidff_usage set_condition[ARRAY_SIZE(pidff_set_condition)];
struct pidff_usage set_periodic[ARRAY_SIZE(pidff_set_periodic)];
struct pidff_usage set_constant[ARRAY_SIZE(pidff_set_constant)];
struct pidff_usage set_ramp[ARRAY_SIZE(pidff_set_ramp)];
struct pidff_usage device_gain[ARRAY_SIZE(pidff_device_gain)];
struct pidff_usage block_load[ARRAY_SIZE(pidff_block_load)];
struct pidff_usage pool[ARRAY_SIZE(pidff_pool)];
struct pidff_usage effect_operation[ARRAY_SIZE(pidff_effect_operation)];
struct pidff_usage block_free[ARRAY_SIZE(pidff_block_free)];
static void pidff_set(struct pidff_usage *usage, u16 value)
static void pidff_set_signed(struct pidff_usage *usage, s16 value)
static void pidff_set_time(struct pidff_usage *usage, u16 time)
static void pidff_set_duration(struct pidff_usage *usage, u16 duration)