V4L/DVB (7073): DiB7070: Reception quality improved

Removing two bugs to improve sensitivity for DiB7070 and Dib7000P with MT2266.

Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 11 insertions, 2 deletions

diff --git a/drivers/media/dvb/frontends/dib0070.c b/drivers/media/dvb/frontends/dib0070.c
index 481eaa684157..fe895bf7b18f 100644
--- a/drivers/media/dvb/frontends/dib0070.c
+++ b/drivers/media/dvb/frontends/dib0070.c
@@ -434,9 +434,14 @@ static u16 dib0070_p1f_defaults[] =
         0,
 };
 
-static void dib0070_wbd_calibration(struct dib0070_state *state)
+static void dib0070_wbd_calibration(struct dvb_frontend *fe)
 {
         u16 wbd_offs;
+        struct dib0070_state *state = fe->tuner_priv;
+
+        if (state->cfg->sleep)
+                state->cfg->sleep(fe, 0);
+
         dib0070_write_reg(state, 0x0f, 0x6d81);
         dib0070_write_reg(state, 0x20, 0x0040 | 0x0020 | 0x0010 | 0x0008 | 0x0002 | 0x0001);
         msleep(9);
@@ -444,6 +449,10 @@ static void dib0070_wbd_calibration(struct dib0070_state *state)
         dib0070_write_reg(state, 0x20, 0);
         state->wbd_ff_offset = ((wbd_offs * 8 * 18 / 33 + 1) / 2);
         dprintk( "WBDStart = %d (Vargen) - FF = %hd", (u32) wbd_offs * 1800/1024, state->wbd_ff_offset);
+
+        if (state->cfg->sleep)
+                state->cfg->sleep(fe, 1);
+
 }
 
 u16 dib0070_wbd_offset(struct dvb_frontend *fe)
@@ -560,7 +569,7 @@ struct dvb_frontend * dib0070_attach(struct dvb_frontend *fe, struct i2c_adapter
         if (dib0070_reset(state) != 0)
                 goto free_mem;
 
-        dib0070_wbd_calibration(state);
+        dib0070_wbd_calibration(fe);
 
         printk(KERN_INFO "DiB0070: successfully identified\n");
         memcpy(&fe->ops.tuner_ops, &dib0070_ops, sizeof(struct dvb_tuner_ops));