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V4L/DVB (6449): tda18271: clean up i2c_gate handling

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Call analog_demod_ops->i2c_gate_ctrl when in analog tuning mode, and
frontend_ops.i2c_gate_ctrl when in digital tuning mode.

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Michael Krufky 2007-10-24 09:55:54 -03:00 committed by Mauro Carvalho Chehab
parent a72dd305f9
commit 7d11c53c5d
2 changed files with 26 additions and 8 deletions
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1
drivers/media/dvb/frontends/Makefile
View file

@ -3,6 +3,7 @@
#
EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core/
EXTRA_CFLAGS += -Idrivers/media/video/
obj-$(CONFIG_DVB_PLL) += dvb-pll.o
obj-$(CONFIG_DVB_STV0299) += stv0299.o

33
drivers/media/dvb/frontends/tda18271.c
View file

@ -21,6 +21,7 @@
#include <linux/i2c.h>
#include <linux/delay.h>
#include <linux/videodev2.h>
#include "tuner-driver.h"
#include "tda18271.h"
@ -324,6 +325,26 @@ struct tda18271_priv {
u32 bandwidth;
};
static int tda18271_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
{
struct tda18271_priv *priv = fe->tuner_priv;
struct analog_tuner_ops *ops = fe->ops.analog_demod_ops;
int ret = 0;
switch (priv->mode) {
case TDA18271_ANALOG:
if (ops && ops->i2c_gate_ctrl)
ret = ops->i2c_gate_ctrl(fe, enable);
break;
case TDA18271_DIGITAL:
if (fe->ops.i2c_gate_ctrl)
ret = fe->ops.i2c_gate_ctrl(fe, enable);
break;
}
return ret;
};
/*---------------------------------------------------------------------*/
static void tda18271_dump_regs(struct dvb_frontend *fe)
@ -363,14 +384,12 @@ static void tda18271_read_regs(struct dvb_frontend *fe)
.buf = regs, .len = 16 }
};
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
tda18271_i2c_gate_ctrl(fe, 1);
/* read all registers */
ret = i2c_transfer(priv->i2c_adap, msg, 2);
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 0);
tda18271_i2c_gate_ctrl(fe, 0);
if (ret != 2)
printk("ERROR: %s: i2c_transfer returned: %d\n",
@ -396,14 +415,12 @@ static void tda18271_write_regs(struct dvb_frontend *fe, int idx, int len)
buf[i] = regs[idx-1+i];
}
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
tda18271_i2c_gate_ctrl(fe, 1);
/* write registers */
ret = i2c_transfer(priv->i2c_adap, &msg, 1);
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 0);
tda18271_i2c_gate_ctrl(fe, 0);
if (ret != 1)
printk(KERN_WARNING "ERROR: %s: i2c_transfer returned: %d\n",