[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 8637d2ed76238b1c76c95d6b6bf2f994f19a3562..0d0545e391431e507b6035acf924c2660035d8e3 100644 (file)
--- 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,