V4L/DVB (5914): Add initial support for Dual-DVB-T stick

Add initial support for Dual-DVB-T stick based on DiB7700 and MT2266

- Microtune MT2266 driver.
- Preliminary support for these dual tuner devices :
  - Pinnacle Dual DVB-T diversity
  - Terratec Cinergy DT USB XS diversity
  - Hauppauge Nova TD USB

Signed-off-by: Olivier DANET <odanet@caramail.com>
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/media/dvb/frontends/dib7000p.c b/drivers/media/dvb/frontends/dib7000p.c
index aece458cfe12..c24189fcbc89 100644
--- a/drivers/media/dvb/frontends/dib7000p.c
+++ b/drivers/media/dvb/frontends/dib7000p.c
@@ -112,6 +112,11 @@ static int dib7000p_set_output_mode(struct dib7000p_state *state, int mode)
                         break;
         }
 
+        if (state->cfg.hostbus_diversity) {
+                ret |= dib7000p_write_word(state,  204, 1); // Diversity ?
+                ret |= dib7000p_write_word(state,  205, 0); // Diversity ?
+        }
+
         if (state->cfg.output_mpeg2_in_188_bytes)
                 smo_mode |= (1 << 5) ;