GRTS_MAX_CHANNELS
idx = GRTS_MAX_CHANNELS;
} else if (idx >= GRTS_MAX_CHANNELS) {
if (st->ch_map[GRTS_CH_PRESSURE] < GRTS_MAX_CHANNELS) {
if (st->ch_map[GRTS_CH_Z1] >= GRTS_MAX_CHANNELS)
if (st->ch_map[GRTS_CH_PRESSURE] < GRTS_MAX_CHANNELS) {
} else if (st->ch_map[GRTS_CH_Z1] < GRTS_MAX_CHANNELS) {