From a83d7d17ad4c920b9b3f5330521fa346dddd3de3 Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Wed, 9 Jul 2014 18:37:30 -0300 Subject: [PATCH] [media] si2157: implement sleep Implement sleep for power-management. Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- drivers/media/tuners/si2157.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/media/tuners/si2157.c b/drivers/media/tuners/si2157.c index 271a752cee54..3f88e5365850 100644 --- a/drivers/media/tuners/si2157.c +++ b/drivers/media/tuners/si2157.c @@ -89,12 +89,23 @@ static int si2157_init(struct dvb_frontend *fe) 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)