[PATCH] rtl2832: add support for slave ts pid filter

[Benjamin Larsson]

The rtl2832 demod has 2 sets of PID filters. This patch enables
the filter support when using a slave demod.

Signed-off-by: Benjamin Larsson <benja...@southpole.se>
---
 drivers/media/dvb-frontends/rtl2832.c      | 21 ++++++++++++++++++---
 drivers/media/dvb-frontends/rtl2832_priv.h |  1 +
 2 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/drivers/media/dvb-frontends/rtl2832.c 
b/drivers/media/dvb-frontends/rtl2832.c
index 7c96f76..fe771b9 100644
--- a/drivers/media/dvb-frontends/rtl2832.c
+++ b/drivers/media/dvb-frontends/rtl2832.c
@@ -409,6 +409,7 @@ static int rtl2832_init(struct dvb_frontend *fe)
        c->post_bit_count.len = 1;
        c->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
        dev->sleeping = false;
+       dev->slave_ts = 0;
 
        return 0;
 err:
@@ -1124,10 +1125,16 @@ static int rtl2832_pid_filter_ctrl(struct dvb_frontend 
*fe, int onoff)
        else
                u8tmp = 0x00;
 
-       ret = rtl2832_update_bits(client, 0x061, 0xc0, u8tmp);
+       if (dev->slave_ts) {
+               ret = rtl2832_update_bits(client, 0x021, 0xc0, u8tmp);
+       } else {
+               ret = rtl2832_update_bits(client, 0x061, 0xc0, u8tmp);
+       }
        if (ret)
                goto err;
 
+       dev->slave_ts = 1;
+
        return 0;
 err:
        dev_dbg(&client->dev, "failed=%d\n", ret);
@@ -1159,14 +1166,22 @@ static int rtl2832_pid_filter(struct dvb_frontend *fe, 
u8 index, u16 pid,
        buf[1] = (dev->filters >>  8) & 0xff;
        buf[2] = (dev->filters >> 16) & 0xff;
        buf[3] = (dev->filters >> 24) & 0xff;
-       ret = rtl2832_bulk_write(client, 0x062, buf, 4);
+
+       if (dev->slave_ts)
+               ret = rtl2832_bulk_write(client, 0x022, buf, 4);
+       else
+               ret = rtl2832_bulk_write(client, 0x062, buf, 4);
        if (ret)
                goto err;
 
        /* add PID */
        buf[0] = (pid >> 8) & 0xff;
        buf[1] = (pid >> 0) & 0xff;
-       ret = rtl2832_bulk_write(client, 0x066 + 2 * index, buf, 2);
+
+       if (dev->slave_ts)
+               ret = rtl2832_bulk_write(client, 0x026 + 2 * index, buf, 2);
+       else
+               ret = rtl2832_bulk_write(client, 0x066 + 2 * index, buf, 2);
        if (ret)
                goto err;
 
diff --git a/drivers/media/dvb-frontends/rtl2832_priv.h 
b/drivers/media/dvb-frontends/rtl2832_priv.h
index 6b875f4..561f8ab 100644
--- a/drivers/media/dvb-frontends/rtl2832_priv.h
+++ b/drivers/media/dvb-frontends/rtl2832_priv.h
@@ -45,6 +45,7 @@ struct rtl2832_dev {
        bool sleeping;
        struct delayed_work i2c_gate_work;
        unsigned long filters; /* PID filter */
+       unsigned long slave_ts;
 };
 
 struct rtl2832_reg_entry {
-- 
2.5.0

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