diff options
| author | Malcolm Priestley <tvboxspy@gmail.com> | 2013-12-28 18:02:44 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-01-07 12:40:04 +0100 |
| commit | 49c44802a79ca558c78d9b86f4c1ff6bb5ba0208 (patch) | |
| tree | ab6fc5ccd65e2da14653714cde6bf8520a76b5a4 /drivers/media/dvb-frontends/m88rs2000.c | |
| parent | [media] m88rs2000: correct read status lock value (diff) | |
| download | linux-49c44802a79ca558c78d9b86f4c1ff6bb5ba0208.tar.xz linux-49c44802a79ca558c78d9b86f4c1ff6bb5ba0208.zip | |
[media] m88rs2000: Correct m88rs2000_set_fec settings
Register 0x70 is used to set fec, register 0x76 is used to get fec
Register 0x76 is set to 0x8.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/media/dvb-frontends/m88rs2000.c')
| -rw-r--r-- | drivers/media/dvb-frontends/m88rs2000.c | 37 |
1 files changed, 19 insertions, 18 deletions
diff --git a/drivers/media/dvb-frontends/m88rs2000.c b/drivers/media/dvb-frontends/m88rs2000.c index f9d04db7275c..002b109d9383 100644 --- a/drivers/media/dvb-frontends/m88rs2000.c +++ b/drivers/media/dvb-frontends/m88rs2000.c @@ -541,33 +541,38 @@ static int m88rs2000_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) static int m88rs2000_set_fec(struct m88rs2000_state *state, fe_code_rate_t fec) { - u16 fec_set; + u8 fec_set, reg; + int ret; + switch (fec) { - /* This is not confirmed kept for reference */ -/* case FEC_1_2: - fec_set = 0x88; + case FEC_1_2: + fec_set = 0x8; break; case FEC_2_3: - fec_set = 0x68; + fec_set = 0x10; break; case FEC_3_4: - fec_set = 0x48; + fec_set = 0x20; break; case FEC_5_6: - fec_set = 0x28; + fec_set = 0x40; break; case FEC_7_8: - fec_set = 0x18; - break; */ + fec_set = 0x80; + break; case FEC_AUTO: default: - fec_set = 0x08; + fec_set = 0x0; } - m88rs2000_writereg(state, 0x76, fec_set); - return 0; -} + reg = m88rs2000_readreg(state, 0x70); + reg &= 0x7; + ret = m88rs2000_writereg(state, 0x70, reg | fec_set); + ret |= m88rs2000_writereg(state, 0x76, 0x8); + + return ret; +} static fe_code_rate_t m88rs2000_get_fec(struct m88rs2000_state *state) { @@ -650,12 +655,8 @@ static int m88rs2000_set_frontend(struct dvb_frontend *fe) if (ret < 0) return -ENODEV; - /* Unknown */ - reg = m88rs2000_readreg(state, 0x70); - ret = m88rs2000_writereg(state, 0x70, reg); - /* Set FEC */ - ret |= m88rs2000_set_fec(state, c->fec_inner); + ret = m88rs2000_set_fec(state, c->fec_inner); ret |= m88rs2000_writereg(state, 0x85, 0x1); ret |= m88rs2000_writereg(state, 0x8a, 0xbf); ret |= m88rs2000_writereg(state, 0x8d, 0x1e); |