From: Michael Büsch <m@bues.ch>
Date: Thu, 7 Feb 2013 15:21:06 +0000 (-0300)
Subject: [media] fc0011: Return early, if the frequency is already tuned
X-Git-Tag: firefly_0821_release~3680^2~275^2~76
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a92591a7112042f92b609be42bc332d989776e9b;p=firefly-linux-kernel-4.4.55.git

[media] fc0011: Return early, if the frequency is already tuned

Return early, if we already tuned to a frequency.

Signed-off-by: Michael Buesch <m@bues.ch>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---

diff --git a/drivers/media/tuners/fc0011.c b/drivers/media/tuners/fc0011.c
index 3932aa81e18c..18caab11c94b 100644
--- a/drivers/media/tuners/fc0011.c
+++ b/drivers/media/tuners/fc0011.c
@@ -187,6 +187,9 @@ static int fc0011_set_params(struct dvb_frontend *fe)
 	u8 fa, fp, vco_sel, vco_cal;
 	u8 regs[FC11_NR_REGS] = { };
 
+	if (priv->frequency == p->frequency)
+		return 0;
+
 	regs[FC11_REG_7] = 0x0F;
 	regs[FC11_REG_8] = 0x3E;
 	regs[FC11_REG_10] = 0xB8;