[media] mb86a20s: add support for serial streams
By comparing the traffic between Pixelview (cx23102-based and Kworld
(saa7134-based), the only difference is at register 0xd5. After some
tests, It seems that it is used to change mode between serial and parallel.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/dvb/frontends/mb86a20s.c b/drivers/media/dvb/frontends/mb86a20s.c
index 1e6bec6..b4de8f1 100644
--- a/drivers/media/dvb/frontends/mb86a20s.c
+++ b/drivers/media/dvb/frontends/mb86a20s.c
@@ -43,10 +43,6 @@
const struct mb86a20s_config *config;
struct dvb_frontend frontend;
-
-
-
-
};
struct regdata {
@@ -175,7 +171,7 @@
{ 0x45, 0x04 },
{ 0x48, 0x04 },
{ 0x50, 0xd5 },
- { 0x51, 0x01 },
+ { 0x51, 0x01 }, /* Serial */
{ 0x50, 0xd6 },
{ 0x51, 0x1f },
{ 0x50, 0xd2 },
@@ -376,6 +372,7 @@
{
struct mb86a20s_state *state = fe->demodulator_priv;
int rc;
+ u8 regD5 = 1;
dprintk("\n");
@@ -384,6 +381,17 @@
if (rc < 0)
return rc;
+ if (!state->config->is_serial) {
+ regD5 &= ~1;
+
+ rc = mb86a20s_writereg(state, 0x50, 0xd5);
+ if (rc < 0)
+ return rc;
+ rc = mb86a20s_writereg(state, 0x51, regD5);
+ if (rc < 0)
+ return rc;
+ }
+
return 0;
}