[media] r820t: disable auto gain/VGA setting

On field tests, the auto gain routine is not working, nor it is
used by the original driver. Let's comment it for now.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Tested-by: Antti Palosaari <crope@iki.fi>

diff --git a/drivers/media/tuners/r820t.c b/drivers/media/tuners/r820t.c
index e63ee9443fa6bf2538ce2db04d42ce883193a528..8d9977919d96236b525de5f549b094a49a9c0429 100644 (file)
--- a/drivers/media/tuners/r820t.c
+++ b/drivers/media/tuners/r820t.c
@@ -1163,6 +1163,8 @@ static int r820t_read_gain(struct r820t_priv *priv)
        return ((data[3] & 0x0f) << 1) + ((data[3] & 0xf0) >> 4);
 }
 
+#if 0
+/* FIXME: This routine requires more testing */
 static int r820t_set_gain_mode(struct r820t_priv *priv,
                               bool set_manual_gain,
                               int gain)
@@ -1233,7 +1235,7 @@ static int r820t_set_gain_mode(struct r820t_priv *priv,
 
        return 0;
 }
-
+#endif
 
 static int generic_set_freq(struct dvb_frontend *fe,
                            u32 freq /* in HZ */,
@@ -1261,10 +1263,6 @@ static int generic_set_freq(struct dvb_frontend *fe,
        if (rc < 0)
                goto err;
 
-       rc = r820t_set_gain_mode(priv, false, 0);
-       if (rc < 0)
-               goto err;
-
        rc = r820t_set_pll(priv, type, lo_freq);
        if (rc < 0 || !priv->has_lock)
                goto err;