[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>
git-mirror · May 20, 2012 · ccb5cf9 · ccb5cf9
1 parent c188637
commit ccb5cf9
Showing 1 changed file with 3 additions and 0 deletions.
diff --git 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)