From: Antti Palosaari <crope@iki.fi>
Date: Fri, 18 May 2012 19:07:46 +0000 (-0300)
Subject: [media] rtl28xxu: add small sleep for rtl2830 demod attach
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=ccb5cf9bfcec739506d91737c4a9675e78868db2;p=openwrt%2Fstaging%2Fblogic.git

[media] rtl28xxu: add small sleep for rtl2830 demod attach

Demod needs some time to wake up after power on.

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

diff --git a/drivers/media/dvb/dvb-usb/rtl28xxu.c b/drivers/media/dvb/dvb-usb/rtl28xxu.c
index 4e69e9db849e..41e1f5537f44 100644
--- a/drivers/media/dvb/dvb-usb/rtl28xxu.c
+++ b/drivers/media/dvb/dvb-usb/rtl28xxu.c
@@ -322,6 +322,9 @@ static int rtl2831u_frontend_attach(struct dvb_usb_adapter *adap)
 	 * since there is some demod params needed to set according to tuner.
 	 */
 
+	/* demod needs some time to wake up */
+	msleep(20);
+
 	/* open demod I2C gate */
 	ret = rtl28xxu_ctrl_msg(adap->dev, &req_gate);
 	if (ret)