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| author | Holger Waechtler <devnull@localhost> | 2003-03-17 22:30:38 +0000 |
|---|---|---|
| committer | Holger Waechtler <devnull@localhost> | 2003-03-17 22:30:38 +0000 |
| commit | 8ac97ecd30f3566bd4d477f32aa41068e3fa1d85 (patch) | |
| tree | 56ffcc5855ea8bd493794b36461256d3c2b79de1 /linux/drivers | |
| parent | e8d4556487e26de17f3ce4885943a8530db1b9b9 (diff) | |
| download | mediapointer-dvb-s2-8ac97ecd30f3566bd4d477f32aa41068e3fa1d85.tar.gz mediapointer-dvb-s2-8ac97ecd30f3566bd4d477f32aa41068e3fa1d85.tar.bz2 | |
set the power bits according to the Alps spec, reported by Ragnar Sundblad <ragge@nada.kth.se>
Diffstat (limited to 'linux/drivers')
| -rw-r--r-- | linux/drivers/media/dvb/frontends/alps_tdlb7.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/linux/drivers/media/dvb/frontends/alps_tdlb7.c b/linux/drivers/media/dvb/frontends/alps_tdlb7.c index 47b480a9c..dbc93ff56 100644 --- a/linux/drivers/media/dvb/frontends/alps_tdlb7.c +++ b/linux/drivers/media/dvb/frontends/alps_tdlb7.c @@ -141,10 +141,21 @@ int sp5659_write (struct dvb_i2c_bus *i2c, u8 data [4]) static -int sp5659_set_tv_freq (struct dvb_i2c_bus *i2c, u32 freq, u8 pwr) +int sp5659_set_tv_freq (struct dvb_i2c_bus *i2c, u32 freq) { u32 div = (freq + 36200000) / 166666; - u8 buf [4] = { (div >> 8) & 0x7f, div & 0xff, 0x85, (pwr << 6)}; + u8 buf [4]; + int pwr; + + if (freq <= 782000000) + pwr = 1; + else + pwr = 2; + + buf[0] = (div >> 8) & 0x7f; + buf[1] = div & 0xff; + buf[2] = 0x85; + buf[3] = pwr << 6; return sp5659_write (i2c, buf); } @@ -345,9 +356,9 @@ int tdlb7_ioctl (struct dvb_frontend *fe, unsigned int cmd, void *arg) // system controller stop sp8870_writereg(i2c,0x0F00,0x0000); - - sp5659_set_tv_freq (i2c, p->frequency, 0); - + + sp5659_set_tv_freq (i2c, p->frequency); + // sample rate correction bit [23..17] sp8870_writereg(i2c,0x0319,0x000A); |