[media] si2157: 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/tuners/si2157.c b/drivers/media/tuners/si2157.c
index 271a752..3f88e53 100644
--- a/drivers/media/tuners/si2157.c
+++ b/drivers/media/tuners/si2157.c
@@ -89,12 +89,23 @@
static int si2157_sleep(struct dvb_frontend *fe)
{
struct si2157 *s = fe->tuner_priv;
+ int ret;
+ struct si2157_cmd cmd;
dev_dbg(&s->client->dev, "%s:\n", __func__);
s->active = false;
+ memcpy(cmd.args, "\x13", 1);
+ cmd.len = 1;
+ ret = si2157_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 si2157_set_params(struct dvb_frontend *fe)