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authorAntti Palosaari <crope@iki.fi>2016-02-05 23:26:30 +0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2016-03-03 15:26:49 +0300
commitd884acad4fe728b30b55d166089fb9f092b336ed (patch)
tree685e457091916a6b1688ea3285469368b82f4285 /drivers/media/dvb-frontends/rtl2832.c
parent7908fad99a6cc08a41c666d425df42809b34dce2 (diff)
downloadlinux-d884acad4fe728b30b55d166089fb9f092b336ed.tar.xz
[media] rtl2832: improve slave TS control
Add callback parameter to select enable / disable slave TS and use it when slave demod is in use. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/dvb-frontends/rtl2832.c')
-rw-r--r--drivers/media/dvb-frontends/rtl2832.c72
1 files changed, 40 insertions, 32 deletions
diff --git a/drivers/media/dvb-frontends/rtl2832.c b/drivers/media/dvb-frontends/rtl2832.c
index c2469fb42f12..8c6971121ed5 100644
--- a/drivers/media/dvb-frontends/rtl2832.c
+++ b/drivers/media/dvb-frontends/rtl2832.c
@@ -347,6 +347,10 @@ static int rtl2832_init(struct dvb_frontend *fe)
dev_dbg(&client->dev, "\n");
+ ret = rtl2832_wr_demod_reg(dev, DVBT_SOFT_RST, 0x0);
+ if (ret)
+ goto err;
+
for (i = 0; i < ARRAY_SIZE(rtl2832_initial_regs); i++) {
ret = rtl2832_wr_demod_reg(dev, rtl2832_initial_regs[i].reg,
rtl2832_initial_regs[i].value);
@@ -491,11 +495,6 @@ static int rtl2832_set_frontend(struct dvb_frontend *fe)
if (fe->ops.tuner_ops.set_params)
fe->ops.tuner_ops.set_params(fe);
- /* PIP mode related */
- ret = rtl2832_bulk_write(client, 0x192, "\x00\x0f\xff", 3);
- if (ret)
- goto err;
-
/* If the frontend has get_if_frequency(), use it */
if (fe->ops.tuner_ops.get_if_frequency) {
u32 if_freq;
@@ -1081,37 +1080,46 @@ static struct i2c_adapter *rtl2832_get_i2c_adapter(struct i2c_client *client)
return dev->i2c_adapter_tuner;
}
-static int rtl2832_enable_slave_ts(struct i2c_client *client)
+static int rtl2832_slave_ts_ctrl(struct i2c_client *client, bool enable)
{
struct rtl2832_dev *dev = i2c_get_clientdata(client);
int ret;
- dev_dbg(&client->dev, "\n");
-
- ret = rtl2832_bulk_write(client, 0x10c, "\x5f\xff", 2);
- if (ret)
- goto err;
-
- ret = rtl2832_wr_demod_reg(dev, DVBT_PIP_ON, 0x1);
- if (ret)
- goto err;
-
- ret = rtl2832_bulk_write(client, 0x0bc, "\x18", 1);
- if (ret)
- goto err;
-
- ret = rtl2832_bulk_write(client, 0x192, "\x7f\xf7\xff", 3);
- if (ret)
- goto err;
-
- /* soft reset */
- ret = rtl2832_wr_demod_reg(dev, DVBT_SOFT_RST, 0x1);
- if (ret)
- goto err;
+ dev_dbg(&client->dev, "enable=%d\n", enable);
- ret = rtl2832_wr_demod_reg(dev, DVBT_SOFT_RST, 0x0);
- if (ret)
- goto err;
+ if (enable) {
+ ret = rtl2832_wr_demod_reg(dev, DVBT_SOFT_RST, 0x0);
+ if (ret)
+ goto err;
+ ret = rtl2832_bulk_write(client, 0x10c, "\x5f\xff", 2);
+ if (ret)
+ goto err;
+ ret = rtl2832_wr_demod_reg(dev, DVBT_PIP_ON, 0x1);
+ if (ret)
+ goto err;
+ ret = rtl2832_bulk_write(client, 0x0bc, "\x18", 1);
+ if (ret)
+ goto err;
+ ret = rtl2832_bulk_write(client, 0x192, "\x7f\xf7\xff", 3);
+ if (ret)
+ goto err;
+ } else {
+ ret = rtl2832_bulk_write(client, 0x192, "\x00\x0f\xff", 3);
+ if (ret)
+ goto err;
+ ret = rtl2832_bulk_write(client, 0x0bc, "\x08", 1);
+ if (ret)
+ goto err;
+ ret = rtl2832_wr_demod_reg(dev, DVBT_PIP_ON, 0x0);
+ if (ret)
+ goto err;
+ ret = rtl2832_bulk_write(client, 0x10c, "\x00\x00", 2);
+ if (ret)
+ goto err;
+ ret = rtl2832_wr_demod_reg(dev, DVBT_SOFT_RST, 0x1);
+ if (ret)
+ goto err;
+ }
return 0;
err:
@@ -1267,7 +1275,7 @@ static int rtl2832_probe(struct i2c_client *client,
/* setup callbacks */
pdata->get_dvb_frontend = rtl2832_get_dvb_frontend;
pdata->get_i2c_adapter = rtl2832_get_i2c_adapter;
- pdata->enable_slave_ts = rtl2832_enable_slave_ts;
+ pdata->slave_ts_ctrl = rtl2832_slave_ts_ctrl;
pdata->pid_filter = rtl2832_pid_filter;
pdata->pid_filter_ctrl = rtl2832_pid_filter_ctrl;
pdata->bulk_read = rtl2832_bulk_read;