ptp_ocp_signal_enable
err = ptp_ocp_signal_enable(bp->signal_out[gen], gen, s.period != 0);
static int ptp_ocp_signal_enable(void *priv, u32 req, bool enable);
.enable = ptp_ocp_signal_enable,
.enable = ptp_ocp_signal_enable,
.enable = ptp_ocp_signal_enable,
.enable = ptp_ocp_signal_enable,
.enable = ptp_ocp_signal_enable,
.enable = ptp_ocp_signal_enable,