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V4L/DVB (13986): [STV090x] Disable I2C gate on error 

The I2C gate must also be disabled, if a tuner command failed.
Otherwise the tuner mutex would be locked forever.

Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Manu Abraham <abraham.manu@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Oliver Endriss 2010-01-10 15:38:38 -03:00 committed by Mauro Carvalho Chehab
parent 76b9ef9795
commit 2c1f750ba3
1 changed files with 31 additions and 15 deletions
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46
drivers/media/dvb/frontends/stv090x.c
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@ -1782,12 +1782,12 @@ static u32 stv090x_srate_srch_coarse(struct stv090x_state *state)
if (state->config->tuner_set_frequency) {
if (state->config->tuner_set_frequency(fe, freq) < 0)
goto err;
goto err_gateoff;
}
if (state->config->tuner_set_bandwidth) {
if (state->config->tuner_set_bandwidth(fe, state->tuner_bw) < 0)
goto err;
goto err_gateoff;
}
if (stv090x_i2c_gate_ctrl(fe, 0) < 0)
@ -1800,7 +1800,7 @@ static u32 stv090x_srate_srch_coarse(struct stv090x_state *state)
if (state->config->tuner_get_status) {
if (state->config->tuner_get_status(fe, &reg) < 0)
goto err;
goto err_gateoff;
}
if (reg)
@ -1819,6 +1819,9 @@ static u32 stv090x_srate_srch_coarse(struct stv090x_state *state)
srate_coarse = stv090x_get_srate(state, state->internal->mclk);
return srate_coarse;
err_gateoff:
stv090x_i2c_gate_ctrl(fe, 0);
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
@ -2167,12 +2170,12 @@ static int stv090x_get_coldlock(struct stv090x_state *state, s32 timeout_dmd)
if (state->config->tuner_set_frequency) {
if (state->config->tuner_set_frequency(fe, freq) < 0)
goto err;
goto err_gateoff;
}
if (state->config->tuner_set_bandwidth) {
if (state->config->tuner_set_bandwidth(fe, state->tuner_bw) < 0)
goto err;
goto err_gateoff;
}
if (stv090x_i2c_gate_ctrl(fe, 0) < 0)
@ -2185,7 +2188,7 @@ static int stv090x_get_coldlock(struct stv090x_state *state, s32 timeout_dmd)
if (state->config->tuner_get_status) {
if (state->config->tuner_get_status(fe, &reg) < 0)
goto err;
goto err_gateoff;
}
if (reg)
@ -2216,6 +2219,8 @@ static int stv090x_get_coldlock(struct stv090x_state *state, s32 timeout_dmd)
return lock;
err_gateoff:
stv090x_i2c_gate_ctrl(fe, 0);
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
@ -2589,7 +2594,7 @@ static enum stv090x_signal_state stv090x_get_sig_params(struct stv090x_state *st
if (state->config->tuner_get_frequency) {
if (state->config->tuner_get_frequency(fe, &state->frequency) < 0)
goto err;
goto err_gateoff;
}
if (stv090x_i2c_gate_ctrl(fe, 0) < 0)
@ -2617,7 +2622,7 @@ static enum stv090x_signal_state stv090x_get_sig_params(struct stv090x_state *st
if (state->config->tuner_get_frequency) {
if (state->config->tuner_get_frequency(fe, &state->frequency) < 0)
goto err;
goto err_gateoff;
}
if (stv090x_i2c_gate_ctrl(fe, 0) < 0)
@ -2637,6 +2642,9 @@ static enum stv090x_signal_state stv090x_get_sig_params(struct stv090x_state *st
}
return STV090x_OUTOFRANGE;
err_gateoff:
stv090x_i2c_gate_ctrl(fe, 0);
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
@ -2995,7 +3003,7 @@ static int stv090x_optimize_track(struct stv090x_state *state)
if (state->config->tuner_set_bandwidth) {
if (state->config->tuner_set_bandwidth(fe, state->tuner_bw) < 0)
goto err;
goto err_gateoff;
}
if (stv090x_i2c_gate_ctrl(fe, 0) < 0)
@ -3047,6 +3055,9 @@ static int stv090x_optimize_track(struct stv090x_state *state)
stv090x_set_vit_thtracq(state);
return 0;
err_gateoff:
stv090x_i2c_gate_ctrl(fe, 0);
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
@ -3227,17 +3238,17 @@ static enum stv090x_signal_state stv090x_algo(struct stv090x_state *state)
if (state->config->tuner_set_bbgain) {
if (state->config->tuner_set_bbgain(fe, 10) < 0) /* 10dB */
goto err;
goto err_gateoff;
}
if (state->config->tuner_set_frequency) {
if (state->config->tuner_set_frequency(fe, state->frequency) < 0)
goto err;
goto err_gateoff;
}
if (state->config->tuner_set_bandwidth) {
if (state->config->tuner_set_bandwidth(fe, state->tuner_bw) < 0)
goto err;
goto err_gateoff;
}
if (stv090x_i2c_gate_ctrl(fe, 0) < 0)
@ -3250,7 +3261,7 @@ static enum stv090x_signal_state stv090x_algo(struct stv090x_state *state)
if (state->config->tuner_get_status) {
if (state->config->tuner_get_status(fe, &reg) < 0)
goto err;
goto err_gateoff;
}
if (reg)
@ -3383,6 +3394,8 @@ static enum stv090x_signal_state stv090x_algo(struct stv090x_state *state)
}
return signal_state;
err_gateoff:
stv090x_i2c_gate_ctrl(fe, 0);
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;
@ -4323,12 +4336,12 @@ static int stv090x_init(struct dvb_frontend *fe)
if (config->tuner_set_mode) {
if (config->tuner_set_mode(fe, TUNER_WAKE) < 0)
goto err;
goto err_gateoff;
}
if (config->tuner_init) {
if (config->tuner_init(fe) < 0)
goto err;
goto err_gateoff;
}
if (stv090x_i2c_gate_ctrl(fe, 0) < 0)
@ -4338,6 +4351,9 @@ static int stv090x_init(struct dvb_frontend *fe)
goto err;
return 0;
err_gateoff:
stv090x_i2c_gate_ctrl(fe, 0);
err:
dprintk(FE_ERROR, 1, "I/O error");
return -1;