diff options
| author | Ales Jurik <ajurik@quick.cz> | 2008-10-26 18:45:59 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-12-29 17:53:24 -0200 |
| commit | 20dafb3b0696471cfaa3e2fc2769516ebda3daf9 (patch) | |
| tree | 4b9ad57008c6e8227b427e601cac718e91e39fe7 /drivers | |
| parent | 3f4009255bbcfcf55cf8ca40d70e4cf75e4dc68c (diff) | |
V4L/DVB (9470): Disable PLL Loop while tuning
Signed-off-by: Ales Jurik <ajurik@quick.cz>
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/dvb/frontends/stb6100.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/media/dvb/frontends/stb6100.c b/drivers/media/dvb/frontends/stb6100.c index 19a9e5fb970..56e3ef1e652 100644 --- a/drivers/media/dvb/frontends/stb6100.c +++ b/drivers/media/dvb/frontends/stb6100.c @@ -320,6 +320,13 @@ static int stb6100_set_frequency(struct dvb_frontend *fe, u32 frequency) } srate = p.u.qpsk.symbol_rate; + regs[STB6100_DLB] = 0xdc; + /* Disable LPEN */ + regs[STB6100_LPEN] &= ~STB6100_LPEN_LPEN; /* PLL Loop disabled */ + + if ((rc = stb6100_write_regs(state, regs)) < 0) + return rc; + /* Baseband gain. */ if (srate >= 15000000) g = 9; // +4 dB @@ -376,9 +383,11 @@ static int stb6100_set_frequency(struct dvb_frontend *fe, u32 frequency) /* Power up. */ regs[STB6100_LPEN] |= STB6100_LPEN_SYNP | STB6100_LPEN_OSCP | STB6100_LPEN_BEN; + msleep(2); if ((rc = stb6100_write_regs(state, regs)) < 0) return rc; + msleep(2); regs[STB6100_LPEN] |= STB6100_LPEN_LPEN; /* PLL loop enabled */ if ((rc = stb6100_write_reg(state, STB6100_LPEN, regs[STB6100_LPEN])) < 0) return rc; @@ -393,7 +402,8 @@ static int stb6100_set_frequency(struct dvb_frontend *fe, u32 frequency) if ((rc = stb6100_write_reg(state, STB6100_VCO, regs[STB6100_VCO])) < 0) return rc; regs[STB6100_FCCK] &= ~STB6100_FCCK_FCCK; /* LPF BW clock disabled */ - if ((rc = stb6100_write_reg(state, STB6100_FCCK, regs[STB6100_FCCK])) < 0) + stb6100_normalise_regs(regs); + if ((rc = stb6100_write_reg_range(state, ®s[1], 1, STB6100_NUMREGS - 3)) < 0) return rc; msleep(30); |