diff options
| author | Antti Palosaari <crope@iki.fi> | 2007-01-27 16:41:35 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2007-02-21 13:35:31 -0200 |
| commit | 705d41e5da674b449f900df97ad13ebe53e82b82 (patch) | |
| tree | 058036817b0d597f778dc9e48f78ebb3c7df2efe /drivers/media/dvb/frontends/qt1010.c | |
| parent | 38d0629fd80464247290450d8641890d6f94b6fa (diff) | |
| download | lwn-705d41e5da674b449f900df97ad13ebe53e82b82.tar.gz lwn-705d41e5da674b449f900df97ad13ebe53e82b82.zip | |
V4L/DVB (5240): Qt1010: use i2c_gate_ctrl where appropriate
This patch adds calls to i2c_gate_ctrl in the qt1010 dvb tuner module,
while removing the temporary hack in au6610 and gl861.
Tested successfully against fi-Oulu frequencies with
MSI Megasky 580 GL861 and Sigmatek DVB-110 AU6610.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/dvb/frontends/qt1010.c')
| -rw-r--r-- | drivers/media/dvb/frontends/qt1010.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/media/dvb/frontends/qt1010.c b/drivers/media/dvb/frontends/qt1010.c index d7360f45355a..c3408dcabe87 100644 --- a/drivers/media/dvb/frontends/qt1010.c +++ b/drivers/media/dvb/frontends/qt1010.c @@ -149,6 +149,9 @@ static int qt1010_set_params(struct dvb_frontend *fe, struct dvb_frontend_parame priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0; priv->frequency = freq; + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); /* open i2c_gate */ + /* reg 05 base value */ if (freq < 290000000) reg05 = 0x14; /* 290 MHz */ else if (freq < 610000000) reg05 = 0x34; /* 610 MHz */ @@ -242,6 +245,9 @@ static int qt1010_set_params(struct dvb_frontend *fe, struct dvb_frontend_parame if (debug) qt1010_dump_regs(priv); + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 0); /* close i2c_gate */ + return 0; } @@ -277,7 +283,6 @@ static int qt1010_init_meas1(struct qt1010_priv *priv, u8 oper, u8 reg, u8 reg_i return qt1010_writereg(priv, 0x1e, 0x00); } - static u8 qt1010_init_meas2(struct qt1010_priv *priv, u8 reg_init_val, u8 *retval) { u8 i, val; @@ -347,6 +352,9 @@ static int qt1010_init(struct dvb_frontend *fe) { QT1010_WR, 0x08, 0x08 } }; + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); /* open i2c_gate */ + for (i = 0; i < sizeof(i2c_data) / sizeof(*i2c_data); i++) { switch (i2c_data[i].oper) { case QT1010_WR: @@ -430,6 +438,9 @@ struct dvb_frontend * qt1010_attach(struct dvb_frontend *fe, priv->cfg = cfg; priv->i2c = i2c; + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); /* open i2c_gate */ + /* Try to detect tuner chip. Probably this is not correct register. */ if (qt1010_readreg(priv, 0x29, &id) != 0 || (id != 0x39)) { @@ -437,6 +448,9 @@ struct dvb_frontend * qt1010_attach(struct dvb_frontend *fe, return NULL; } + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 0); /* close i2c_gate */ + printk(KERN_INFO "Quantek QT1010 successfully identified.\n"); memcpy(&fe->ops.tuner_ops, &qt1010_tuner_ops, sizeof(struct dvb_tuner_ops)); |