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[media] si2157: implement sleep

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Implement sleep for power-management.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Antti Palosaari 2014-07-09 18:37:30 -03:00 committed by Mauro Carvalho Chehab
parent 3c0d394ea7
commit a83d7d17ad
1 changed files with 11 additions and 0 deletions
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11
drivers/media/tuners/si2157.c
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@ -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)