From 66ae9fc237c1192414c12094443521d956199be8 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Fri, 21 Feb 2014 05:50:01 -0300 Subject: [PATCH] [media] stv090x: remove indent levels in stv090x_get_coldlock() This code is needlessly complicated and checkpatch.pl complains that we go over the 80 characters per line limit. If we flip the "if (!lock) {" test to "if (lock) return;" then we can remove an indent level from the rest of the function. We can add two returns in the "if (state->srate >= 10000000) {" condition and move the else statement back an additional indent level. There is another "if (!lock) {" check which can be removed since we have already checked "lock" and know it is zero at this point. This second check on "lock" is also a problem because it sets off a static checker warning. I have reviewed this code for some time to see if something else was intended, but have concluded that it was simply an oversight and should be removed. Removing this duplicative check gains us an third indent level. Signed-off-by: Dan Carpenter Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb-frontends/stv090x.c | 162 +++++++++++++++++----------------- 1 file changed, 80 insertions(+), 82 deletions(-) diff --git a/drivers/media/dvb-frontends/stv090x.c b/drivers/media/dvb-frontends/stv090x.c index 23e872f84742..93f4979ea6e9 100644 --- a/drivers/media/dvb-frontends/stv090x.c +++ b/drivers/media/dvb-frontends/stv090x.c @@ -2146,7 +2146,7 @@ static int stv090x_get_coldlock(struct stv090x_state *state, s32 timeout_dmd) u32 reg; s32 car_step, steps, cur_step, dir, freq, timeout_lock; - int lock = 0; + int lock; if (state->srate >= 10000000) timeout_lock = timeout_dmd / 3; @@ -2154,98 +2154,96 @@ static int stv090x_get_coldlock(struct stv090x_state *state, s32 timeout_dmd) timeout_lock = timeout_dmd / 2; lock = stv090x_get_dmdlock(state, timeout_lock); /* cold start wait */ - if (!lock) { - if (state->srate >= 10000000) { - if (stv090x_chk_tmg(state)) { - if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0) - goto err; - if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x15) < 0) - goto err; - lock = stv090x_get_dmdlock(state, timeout_dmd); - } else { - lock = 0; - } - } else { - if (state->srate <= 4000000) - car_step = 1000; - else if (state->srate <= 7000000) - car_step = 2000; - else if (state->srate <= 10000000) - car_step = 3000; - else - car_step = 5000; - - steps = (state->search_range / 1000) / car_step; - steps /= 2; - steps = 2 * (steps + 1); - if (steps < 0) - steps = 2; - else if (steps > 12) - steps = 12; - - cur_step = 1; - dir = 1; - - if (!lock) { - freq = state->frequency; - state->tuner_bw = stv090x_car_width(state->srate, state->rolloff) + state->srate; - while ((cur_step <= steps) && (!lock)) { - if (dir > 0) - freq += cur_step * car_step; - else - freq -= cur_step * car_step; - - /* Setup tuner */ - if (stv090x_i2c_gate_ctrl(state, 1) < 0) - goto err; + if (lock) + return lock; - if (state->config->tuner_set_frequency) { - if (state->config->tuner_set_frequency(fe, freq) < 0) - goto err_gateoff; - } + if (state->srate >= 10000000) { + if (stv090x_chk_tmg(state)) { + if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0) + goto err; + if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x15) < 0) + goto err; + return stv090x_get_dmdlock(state, timeout_dmd); + } + return 0; + } - if (state->config->tuner_set_bandwidth) { - if (state->config->tuner_set_bandwidth(fe, state->tuner_bw) < 0) - goto err_gateoff; - } + if (state->srate <= 4000000) + car_step = 1000; + else if (state->srate <= 7000000) + car_step = 2000; + else if (state->srate <= 10000000) + car_step = 3000; + else + car_step = 5000; - if (stv090x_i2c_gate_ctrl(state, 0) < 0) - goto err; + steps = (state->search_range / 1000) / car_step; + steps /= 2; + steps = 2 * (steps + 1); + if (steps < 0) + steps = 2; + else if (steps > 12) + steps = 12; - msleep(50); + cur_step = 1; + dir = 1; - if (stv090x_i2c_gate_ctrl(state, 1) < 0) - goto err; + freq = state->frequency; + state->tuner_bw = stv090x_car_width(state->srate, state->rolloff) + state->srate; + while ((cur_step <= steps) && (!lock)) { + if (dir > 0) + freq += cur_step * car_step; + else + freq -= cur_step * car_step; - if (state->config->tuner_get_status) { - if (state->config->tuner_get_status(fe, ®) < 0) - goto err_gateoff; - } + /* Setup tuner */ + if (stv090x_i2c_gate_ctrl(state, 1) < 0) + goto err; - if (reg) - dprintk(FE_DEBUG, 1, "Tuner phase locked"); - else - dprintk(FE_DEBUG, 1, "Tuner unlocked"); + if (state->config->tuner_set_frequency) { + if (state->config->tuner_set_frequency(fe, freq) < 0) + goto err_gateoff; + } - if (stv090x_i2c_gate_ctrl(state, 0) < 0) - goto err; + if (state->config->tuner_set_bandwidth) { + if (state->config->tuner_set_bandwidth(fe, state->tuner_bw) < 0) + goto err_gateoff; + } - STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1c); - if (STV090x_WRITE_DEMOD(state, CFRINIT1, 0x00) < 0) - goto err; - if (STV090x_WRITE_DEMOD(state, CFRINIT0, 0x00) < 0) - goto err; - if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0) - goto err; - if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x15) < 0) - goto err; - lock = stv090x_get_dmdlock(state, (timeout_dmd / 3)); + if (stv090x_i2c_gate_ctrl(state, 0) < 0) + goto err; - dir *= -1; - cur_step++; - } - } + msleep(50); + + if (stv090x_i2c_gate_ctrl(state, 1) < 0) + goto err; + + if (state->config->tuner_get_status) { + if (state->config->tuner_get_status(fe, ®) < 0) + goto err_gateoff; } + + if (reg) + dprintk(FE_DEBUG, 1, "Tuner phase locked"); + else + dprintk(FE_DEBUG, 1, "Tuner unlocked"); + + if (stv090x_i2c_gate_ctrl(state, 0) < 0) + goto err; + + STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1c); + if (STV090x_WRITE_DEMOD(state, CFRINIT1, 0x00) < 0) + goto err; + if (STV090x_WRITE_DEMOD(state, CFRINIT0, 0x00) < 0) + goto err; + if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0) + goto err; + if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x15) < 0) + goto err; + lock = stv090x_get_dmdlock(state, (timeout_dmd / 3)); + + dir *= -1; + cur_step++; } return lock; -- 2.11.0