diff options
Diffstat (limited to 'drivers/media/dvb/frontends/drxk_hard.c')
| -rw-r--r-- | drivers/media/dvb/frontends/drxk_hard.c | 58 |
1 files changed, 57 insertions, 1 deletions
diff --git a/drivers/media/dvb/frontends/drxk_hard.c b/drivers/media/dvb/frontends/drxk_hard.c index 87cb3f02ebc0..8fa28bb47088 100644 --- a/drivers/media/dvb/frontends/drxk_hard.c +++ b/drivers/media/dvb/frontends/drxk_hard.c @@ -2851,7 +2851,7 @@ static int ConfigureI2CBridge(struct drxk_state *state, bool bEnableBridge) dprintk(1, "\n"); if (state->m_DrxkState == DRXK_UNINITIALIZED) - goto error; + return 0; if (state->m_DrxkState == DRXK_POWERED_DOWN) goto error; @@ -6197,6 +6197,7 @@ static int init_drxk(struct drxk_state *state) } error: if (status < 0) { + state->m_DrxkState = DRXK_NO_DEV; drxk_i2c_unlock(state); printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__); } @@ -6209,6 +6210,7 @@ static void load_firmware_cb(const struct firmware *fw, { struct drxk_state *state = context; + dprintk(1, ": %s\n", fw ? "firmware loaded" : "firmware not loaded"); if (!fw) { printk(KERN_ERR "drxk: Could not load firmware file %s.\n", @@ -6250,6 +6252,12 @@ static int drxk_sleep(struct dvb_frontend *fe) struct drxk_state *state = fe->demodulator_priv; dprintk(1, "\n"); + + if (state->m_DrxkState == DRXK_NO_DEV) + return -ENODEV; + if (state->m_DrxkState == DRXK_UNINITIALIZED) + return 0; + ShutDown(state); return 0; } @@ -6259,6 +6267,10 @@ static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable) struct drxk_state *state = fe->demodulator_priv; dprintk(1, "%s\n", enable ? "enable" : "disable"); + + if (state->m_DrxkState == DRXK_NO_DEV) + return -ENODEV; + return ConfigureI2CBridge(state, enable ? true : false); } @@ -6271,6 +6283,12 @@ static int drxk_set_parameters(struct dvb_frontend *fe) dprintk(1, "\n"); + if (state->m_DrxkState == DRXK_NO_DEV) + return -ENODEV; + + if (state->m_DrxkState == DRXK_UNINITIALIZED) + return -EAGAIN; + if (!fe->ops.tuner_ops.get_if_frequency) { printk(KERN_ERR "drxk: Error: get_if_frequency() not defined at tuner. Can't work without it!\n"); @@ -6324,6 +6342,12 @@ static int drxk_read_status(struct dvb_frontend *fe, fe_status_t *status) u32 stat; dprintk(1, "\n"); + + if (state->m_DrxkState == DRXK_NO_DEV) + return -ENODEV; + if (state->m_DrxkState == DRXK_UNINITIALIZED) + return -EAGAIN; + *status = 0; GetLockStatus(state, &stat, 0); if (stat == MPEG_LOCK) @@ -6337,8 +6361,15 @@ static int drxk_read_status(struct dvb_frontend *fe, fe_status_t *status) static int drxk_read_ber(struct dvb_frontend *fe, u32 *ber) { + struct drxk_state *state = fe->demodulator_priv; + dprintk(1, "\n"); + if (state->m_DrxkState == DRXK_NO_DEV) + return -ENODEV; + if (state->m_DrxkState == DRXK_UNINITIALIZED) + return -EAGAIN; + *ber = 0; return 0; } @@ -6350,6 +6381,12 @@ static int drxk_read_signal_strength(struct dvb_frontend *fe, u32 val = 0; dprintk(1, "\n"); + + if (state->m_DrxkState == DRXK_NO_DEV) + return -ENODEV; + if (state->m_DrxkState == DRXK_UNINITIALIZED) + return -EAGAIN; + ReadIFAgc(state, &val); *strength = val & 0xffff; return 0; @@ -6361,6 +6398,12 @@ static int drxk_read_snr(struct dvb_frontend *fe, u16 *snr) s32 snr2; dprintk(1, "\n"); + + if (state->m_DrxkState == DRXK_NO_DEV) + return -ENODEV; + if (state->m_DrxkState == DRXK_UNINITIALIZED) + return -EAGAIN; + GetSignalToNoise(state, &snr2); *snr = snr2 & 0xffff; return 0; @@ -6372,6 +6415,12 @@ static int drxk_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) u16 err; dprintk(1, "\n"); + + if (state->m_DrxkState == DRXK_NO_DEV) + return -ENODEV; + if (state->m_DrxkState == DRXK_UNINITIALIZED) + return -EAGAIN; + DVBTQAMGetAccPktErr(state, &err); *ucblocks = (u32) err; return 0; @@ -6380,9 +6429,16 @@ static int drxk_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) static int drxk_get_tune_settings(struct dvb_frontend *fe, struct dvb_frontend_tune_settings *sets) { + struct drxk_state *state = fe->demodulator_priv; struct dtv_frontend_properties *p = &fe->dtv_property_cache; dprintk(1, "\n"); + + if (state->m_DrxkState == DRXK_NO_DEV) + return -ENODEV; + if (state->m_DrxkState == DRXK_UNINITIALIZED) + return -EAGAIN; + switch (p->delivery_system) { case SYS_DVBC_ANNEX_A: case SYS_DVBC_ANNEX_C: |