From: Michael Büsch <m@bues.ch>
Date: Tue, 3 Apr 2012 08:08:45 +0000 (-0300)
Subject: [media] fc0011: use usleep_range()
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=c421d5c9d439857434916b1bc420623fe9519285;p=~shefty%2Frdma-dev.git

[media] fc0011: use usleep_range()

Use usleep_range() instead of msleep() to improve power saving opportunities.

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

diff --git a/drivers/media/common/tuners/fc0011.c b/drivers/media/common/tuners/fc0011.c
index 7842a4eee3d..d43a5a29ed2 100644
--- a/drivers/media/common/tuners/fc0011.c
+++ b/drivers/media/common/tuners/fc0011.c
@@ -167,7 +167,7 @@ static int fc0011_vcocal_read(struct fc0011_priv *priv, u8 *value)
 	err = fc0011_writereg(priv, FC11_REG_VCOCAL, FC11_VCOCAL_RUN);
 	if (err)
 		return err;
-	msleep(10);
+	usleep_range(10000, 20000);
 	err = fc0011_readreg(priv, FC11_REG_VCOCAL, value);
 	if (err)
 		return err;
@@ -423,7 +423,7 @@ static int fc0011_set_params(struct dvb_frontend *fe)
 	err = fc0011_vcocal_read(priv, NULL);
 	if (err)
 		return err;
-	msleep(10);
+	usleep_range(10000, 50000);
 
 	err = fc0011_readreg(priv, FC11_REG_RCCAL, &regs[FC11_REG_RCCAL]);
 	if (err)