diff options
Diffstat (limited to 'drivers/media/common/tuners/mxl5007t.c')
| -rw-r--r-- | drivers/media/common/tuners/mxl5007t.c | 45 |
1 files changed, 24 insertions, 21 deletions
diff --git a/drivers/media/common/tuners/mxl5007t.c b/drivers/media/common/tuners/mxl5007t.c index f3b193ac661..4a1ea542585 100644 --- a/drivers/media/common/tuners/mxl5007t.c +++ b/drivers/media/common/tuners/mxl5007t.c @@ -660,11 +660,11 @@ static int mxl5007t_get_status(struct dvb_frontend *fe, u32 *status) s32 rf_input_level; int ret; - mutex_lock(&state->lock); - if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 1); + mutex_lock(&state->lock); + ret = mxl5007t_synth_lock_status(state, &rf_locked, &ref_locked); if (mxl_fail(ret)) goto fail; @@ -676,10 +676,11 @@ static int mxl5007t_get_status(struct dvb_frontend *fe, u32 *status) goto fail; mxl_debug("rf input power: %d", rf_input_level); fail: + mutex_unlock(&state->lock); + if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0); - mutex_unlock(&state->lock); return ret; } @@ -730,11 +731,11 @@ static int mxl5007t_set_params(struct dvb_frontend *fe, return -EINVAL; } - mutex_lock(&state->lock); - if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 1); + mutex_lock(&state->lock); + ret = mxl5007t_tuner_init(state, mode); if (mxl_fail(ret)) goto fail; @@ -747,10 +748,11 @@ static int mxl5007t_set_params(struct dvb_frontend *fe, state->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0; fail: + mutex_unlock(&state->lock); + if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0); - mutex_unlock(&state->lock); return ret; } @@ -802,11 +804,11 @@ static int mxl5007t_set_analog_params(struct dvb_frontend *fe, } mxl_debug("setting mxl5007 to system %s", mode_name); - mutex_lock(&state->lock); - if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 1); + mutex_lock(&state->lock); + ret = mxl5007t_tuner_init(state, cable ? cbl_mode : ota_mode); if (mxl_fail(ret)) goto fail; @@ -818,10 +820,11 @@ static int mxl5007t_set_analog_params(struct dvb_frontend *fe, state->frequency = freq; state->bandwidth = 0; fail: + mutex_unlock(&state->lock); + if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0); - mutex_unlock(&state->lock); return ret; } @@ -833,11 +836,11 @@ static int mxl5007t_init(struct dvb_frontend *fe) int ret; u8 d; - mutex_lock(&state->lock); - if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 1); + mutex_lock(&state->lock); + ret = mxl5007t_read_reg(state, 0x05, &d); if (mxl_fail(ret)) goto fail; @@ -845,11 +848,11 @@ static int mxl5007t_init(struct dvb_frontend *fe) ret = mxl5007t_write_reg(state, 0x05, d | 0x01); mxl_fail(ret); fail: + mutex_unlock(&state->lock); + if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0); - mutex_unlock(&state->lock); - return ret; } @@ -859,11 +862,11 @@ static int mxl5007t_sleep(struct dvb_frontend *fe) int ret; u8 d; - mutex_lock(&state->lock); - if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 1); + mutex_lock(&state->lock); + ret = mxl5007t_read_reg(state, 0x05, &d); if (mxl_fail(ret)) goto fail; @@ -871,11 +874,11 @@ static int mxl5007t_sleep(struct dvb_frontend *fe) ret = mxl5007t_write_reg(state, 0x05, d & ~0x01); mxl_fail(ret); fail: + mutex_unlock(&state->lock); + if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0); - mutex_unlock(&state->lock); - return ret; } @@ -995,18 +998,18 @@ struct dvb_frontend *mxl5007t_attach(struct dvb_frontend *fe, mutex_init(&state->lock); - mutex_lock(&state->lock); - if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 1); + mutex_lock(&state->lock); + ret = mxl5007t_get_chip_id(state); + mutex_unlock(&state->lock); + if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0); - mutex_unlock(&state->lock); - /* check return value of mxl5007t_get_chip_id */ if (mxl_fail(ret)) goto fail; |