From 064fd169c508ce20e35babdd82946dab7219ccc5 Mon Sep 17 00:00:00 2001
From: Mauro Carvalho Chehab <mchehab@redhat.com>
Date: Thu, 11 Apr 2013 13:25:10 -0300
Subject: [media] r820t: Don't put it in standby if not initialized yet

r820t_standby() can be called before r820t_init().
If that happens, just do nothing.

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 fc660f2..b679a3f 100644
--- a/drivers/media/tuners/r820t.c
+++ b/drivers/media/tuners/r820t.c
@@ -1298,6 +1298,10 @@ static int r820t_standby(struct r820t_priv *priv)
 {
 	int rc;
 
+	/* If device was not initialized yet, don't need to standby */
+	if (!priv->init_done)
+		return 0;
+
 	rc = r820t_write_reg(priv, 0x06, 0xb1);
 	if (rc < 0)
 		return rc;
-- 
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