From: Antti Palosaari <crope@iki.fi>
Date: Wed, 9 Jul 2014 21:45:31 +0000 (-0300)
Subject: [media] si2168: implement sleep
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=4de0ed7cf7a49384f3438a39543fb85d6dcd3bfc;p=deliverable%2Flinux.git

[media] si2168: implement sleep

Implement sleep for power-management.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
---

diff --git a/drivers/media/dvb-frontends/si2168.c b/drivers/media/dvb-frontends/si2168.c
index 8637d2ed7623..0d0545e39143 100644
--- a/drivers/media/dvb-frontends/si2168.c
+++ b/drivers/media/dvb-frontends/si2168.c
@@ -438,13 +438,6 @@ static int si2168_init(struct dvb_frontend *fe)
 
 	dev_dbg(&s->client->dev, "%s:\n", __func__);
 
-	cmd.args[0] = 0x13;
-	cmd.wlen = 1;
-	cmd.rlen = 0;
-	ret = si2168_cmd_execute(s, &cmd);
-	if (ret)
-		goto err;
-
 	cmd.args[0] = 0xc0;
 	cmd.args[1] = 0x12;
 	cmd.args[2] = 0x00;
@@ -559,12 +552,24 @@ err:
 static int si2168_sleep(struct dvb_frontend *fe)
 {
 	struct si2168 *s = fe->demodulator_priv;
+	int ret;
+	struct si2168_cmd cmd;
 
 	dev_dbg(&s->client->dev, "%s:\n", __func__);
 
 	s->active = false;
 
+	memcpy(cmd.args, "\x13", 1);
+	cmd.wlen = 1;
+	cmd.rlen = 0;
+	ret = si2168_cmd_execute(s, &cmd);
+	if (ret)
+		goto err;
+
 	return 0;
+err:
+	dev_dbg(&s->client->dev, "%s: failed=%d\n", __func__, ret);
+	return ret;
 }
 
 static int si2168_get_tune_settings(struct dvb_frontend *fe,