redonkable/remarkable-linux
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[media] mn88472: add ts mode and ts clock to driver

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Signed-off-by: Benjamin Larsson <benjamin@southpole.se>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Benjamin Larsson 2014-12-05 21:25:33 -03:00 committed by Mauro Carvalho Chehab
parent d8da7513bc
commit 021cd2d21b
4 changed files with 44 additions and 2 deletions
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12
drivers/media/dvb-frontends/mn88472.h
View file

@ -19,6 +19,16 @@
#include <linux/dvb/frontend.h>
enum ts_clock {
VARIABLE_TS_CLOCK,
FIXED_TS_CLOCK,
};
enum ts_mode {
SERIAL_TS_MODE,
PARALLEL_TS_MODE,
};
struct mn88472_config {
/*
* Max num of bytes given I2C adapter could write at once.
@ -39,6 +49,8 @@ struct mn88472_config {
* Hz
*/
u32 xtal;
int ts_mode;
int ts_clock;
};
#endif

2
drivers/media/usb/dvb-usb-v2/rtl28xxu.c
View file

@ -868,6 +868,8 @@ static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)
mn88472_config.i2c_wr_max = 22,
strlcpy(info.type, "mn88472", I2C_NAME_SIZE);
mn88472_config.xtal = 20500000;
mn88472_config.ts_mode = SERIAL_TS_MODE;
mn88472_config.ts_clock = VARIABLE_TS_CLOCK;
info.addr = 0x18;
info.platform_data = &mn88472_config;
request_module(info.type);

30
drivers/staging/media/mn88472/mn88472.c
View file

@ -178,8 +178,32 @@ static int mn88472_set_frontend(struct dvb_frontend *fe)
ret = regmap_write(dev->regmap[0], 0x46, 0x00);
ret = regmap_write(dev->regmap[0], 0xae, 0x00);
ret = regmap_write(dev->regmap[2], 0x08, 0x1d);
ret = regmap_write(dev->regmap[0], 0xd9, 0xe3);
switch (dev->ts_mode) {
case SERIAL_TS_MODE:
ret = regmap_write(dev->regmap[2], 0x08, 0x1d);
break;
case PARALLEL_TS_MODE:
ret = regmap_write(dev->regmap[2], 0x08, 0x00);
break;
default:
dev_dbg(&client->dev, "ts_mode error: %d\n", dev->ts_mode);
ret = -EINVAL;
goto err;
}
switch (dev->ts_clock) {
case VARIABLE_TS_CLOCK:
ret = regmap_write(dev->regmap[0], 0xd9, 0xe3);
break;
case FIXED_TS_CLOCK:
ret = regmap_write(dev->regmap[0], 0xd9, 0xe1);
break;
default:
dev_dbg(&client->dev, "ts_clock error: %d\n", dev->ts_clock);
ret = -EINVAL;
goto err;
}
/* Reset demod */
ret = regmap_write(dev->regmap[2], 0xf8, 0x9f);
@ -439,6 +463,8 @@ static int mn88472_probe(struct i2c_client *client,
dev->i2c_wr_max = config->i2c_wr_max;
dev->xtal = config->xtal;
dev->ts_mode = config->ts_mode;
dev->ts_clock = config->ts_clock;
dev->client[0] = client;
dev->regmap[0] = regmap_init_i2c(dev->client[0], &regmap_config);
if (IS_ERR(dev->regmap[0])) {

2
drivers/staging/media/mn88472/mn88472_priv.h
View file

@ -32,6 +32,8 @@ struct mn88472_dev {
fe_delivery_system_t delivery_system;
bool warm; /* FW running */
u32 xtal;
int ts_mode;
int ts_clock;
};
#endif