RTWN_RIDX_OFDM12
case 24: return (RTWN_RIDX_OFDM12);
(1 << RTWN_RIDX_OFDM9) | (1 << RTWN_RIDX_OFDM12) |
SM(R92C_TXAGC_RATE12, power[RTWN_RIDX_OFDM12]) |
power[RTWN_RIDX_OFDM12],
SM(R12A_TXAGC_OFDM12, power[RTWN_RIDX_OFDM12]) |