diff options
| author | Michael Krufky <mkrufky@m1k.net> | 2005-07-14 00:33:33 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-07-14 09:00:24 -0700 |
| commit | 3952db66efee4f22f3c6a0fd02a1e7071556a8d6 (patch) | |
| tree | 8dd07e8fb5b725d1ba8c43e9f66ad89f84093a4b /drivers/media/dvb | |
| parent | 514fd7fd01d378a7b5584c657d9807fc28f22079 (diff) | |
[PATCH] dvb: LGDT3302 QAM lock bug fix
Fix QAM lock bug. Previously, it was necessary to first scan in VSB before
attempting to get a QAM lock.
Signed-off-by: Mac Michaels <wmichaels1@earthlink.net>
Signed-off-by: Michael Krufky <mkrufky@m1k.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/media/dvb')
| -rw-r--r-- | drivers/media/dvb/frontends/lgdt3302.c | 16 |
1 files changed, 3 insertions, 13 deletions
diff --git a/drivers/media/dvb/frontends/lgdt3302.c b/drivers/media/dvb/frontends/lgdt3302.c index 2eea03d218c..c85a2a99df4 100644 --- a/drivers/media/dvb/frontends/lgdt3302.c +++ b/drivers/media/dvb/frontends/lgdt3302.c @@ -217,13 +217,11 @@ static int lgdt3302_set_parameters(struct dvb_frontend* fe, static u8 demux_ctrl_cfg[] = { DEMUX_CONTROL, 0xfb }; static u8 agc_rf_cfg[] = { AGC_RF_BANDWIDTH0, 0x40, 0x93, 0x00 }; static u8 agc_ctrl_cfg[] = { AGC_FUNC_CTRL2, 0xc6, 0x40 }; - static u8 agc_delay_cfg[] = { AGC_DELAY0, 0x00, 0x00, 0x00 }; + static u8 agc_delay_cfg[] = { AGC_DELAY0, 0x07, 0x00, 0xfe }; static u8 agc_loop_cfg[] = { AGC_LOOP_BANDWIDTH0, 0x08, 0x9a }; /* Change only if we are actually changing the modulation */ if (state->current_modulation != param->u.vsb.modulation) { - int value; - switch(param->u.vsb.modulation) { case VSB_8: dprintk("%s: VSB_8 MODE\n", __FUNCTION__); @@ -276,16 +274,8 @@ static int lgdt3302_set_parameters(struct dvb_frontend* fe, recovery center frequency register */ i2c_writebytes(state, state->config->demod_address, vsb_freq_cfg, sizeof(vsb_freq_cfg)); - /* Set the value of 'INLVTHD' register 0x2a/0x2c - to value from 'IFACC' register 0x39/0x3b -1 */ - i2c_selectreadbytes(state, AGC_RFIF_ACC0, - &agc_delay_cfg[1], 3); - value = ((agc_delay_cfg[1] & 0x0f) << 8) | agc_delay_cfg[3]; - value = value -1; - dprintk("%s IFACC -1 = 0x%03x\n", __FUNCTION__, value); - agc_delay_cfg[1] = (value >> 8) & 0x0f; - agc_delay_cfg[2] = 0x00; - agc_delay_cfg[3] = value & 0xff; + + /* Set the value of 'INLVTHD' register 0x2a/0x2c to 0x7fe */ i2c_writebytes(state, state->config->demod_address, agc_delay_cfg, sizeof(agc_delay_cfg)); |