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| author | Bimow Chen <Bimow.Chen@ite.com.tw> | 2014-08-05 00:14:47 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-09-04 12:23:22 -0300 |
| commit | 01b461bbe74b89da8941f4c95711777d87b9172e (patch) | |
| tree | 18b09209390672de8d89061a98fe32bc4081e04e /drivers/media | |
| parent | 0df6580c5fc115034de29aa52af5cf6bd83d37d8 (diff) | |
| download | linux-stable-01b461bbe74b89da8941f4c95711777d87b9172e.tar.gz linux-stable-01b461bbe74b89da8941f4c95711777d87b9172e.tar.bz2 linux-stable-01b461bbe74b89da8941f4c95711777d87b9172e.zip | |
[media] it913x: init tuner on attach
That register is needed to program very first in order to operate
correctly.
[crope@iki.fi: returned sequence back, removed sleep, moved reg
write earlier to prevent populating tuner ops in case of failure]
Cc: <stable@vger.kernel.org> # v3.15+
Signed-off-by: Bimow Chen <Bimow.Chen@ite.com.tw>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/tuners/tuner_it913x.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/media/tuners/tuner_it913x.c b/drivers/media/tuners/tuner_it913x.c index 6f30d7e535b8..3d83c425bccf 100644 --- a/drivers/media/tuners/tuner_it913x.c +++ b/drivers/media/tuners/tuner_it913x.c @@ -396,6 +396,7 @@ struct dvb_frontend *it913x_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c_adap, u8 i2c_addr, u8 config) { struct it913x_state *state = NULL; + int ret; /* allocate memory for the internal state */ state = kzalloc(sizeof(struct it913x_state), GFP_KERNEL); @@ -425,6 +426,11 @@ struct dvb_frontend *it913x_attach(struct dvb_frontend *fe, state->tuner_type = config; state->firmware_ver = 1; + /* tuner RF initial */ + ret = it913x_wr_reg(state, PRO_DMOD, 0xec4c, 0x68); + if (ret < 0) + goto error; + fe->tuner_priv = state; memcpy(&fe->ops.tuner_ops, &it913x_tuner_ops, sizeof(struct dvb_tuner_ops)); |