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| author | Alex Shi <alex.shi@linaro.org> | 2016-03-14 15:37:56 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2016-03-14 15:37:56 +0800 |
| commit | 0f7fc48d4378ac087ef7e69a6e675b0d9280999e (patch) | |
| tree | f0c005b00166eca0ce2648487cde89866447645f /drivers/media/dvb-frontends/tda1004x.c | |
| parent | 4fc0eccae84a29106ed944588ba641e9039ccfbc (diff) | |
| parent | fbb0b56de45bc81681eeeaec29e6c1e3ff12a200 (diff) | |
Merge branch 'linux-linaro-lsk-v3.10' into linux-linaro-lsk-v3.10-androidlsk-v3.10-16.03-androidlinux-linaro-lsk-v3.10-android
Diffstat (limited to 'drivers/media/dvb-frontends/tda1004x.c')
| -rw-r--r-- | drivers/media/dvb-frontends/tda1004x.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/tda1004x.c b/drivers/media/dvb-frontends/tda1004x.c index a2631be7ffac..08e0f0dd8728 100644 --- a/drivers/media/dvb-frontends/tda1004x.c +++ b/drivers/media/dvb-frontends/tda1004x.c @@ -903,9 +903,18 @@ static int tda1004x_get_fe(struct dvb_frontend *fe) { struct dtv_frontend_properties *fe_params = &fe->dtv_property_cache; struct tda1004x_state* state = fe->demodulator_priv; + int status; dprintk("%s\n", __func__); + status = tda1004x_read_byte(state, TDA1004X_STATUS_CD); + if (status == -1) + return -EIO; + + /* Only update the properties cache if device is locked */ + if (!(status & 8)) + return 0; + // inversion status fe_params->inversion = INVERSION_OFF; if (tda1004x_read_byte(state, TDA1004X_CONFC1) & 0x20) |