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V4L/DVB (6648): xc2028: add sleep hook 

Add sleep method to enable putting the tuner into standby mode.

Signed-off-by: Chris Pascoe <c.pascoe@itee.uq.edu.au>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Chris Pascoe 2007-11-19 11:41:20 -03:00 committed by Mauro Carvalho Chehab
parent 8bf799a621
commit 45819c381f
1 changed files with 23 additions and 0 deletions
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23
drivers/media/video/tuner-xc2028.c
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@ -929,6 +929,28 @@ static int xc2028_set_params(struct dvb_frontend *fe,
}
static int xc2028_sleep(struct dvb_frontend *fe)
{
struct xc2028_data *priv = fe->tuner_priv;
int rc = 0;
tuner_dbg("%s called\n", __FUNCTION__);
mutex_lock(&priv->lock);
if (priv->firm_version < 0x0202)
rc = send_seq(priv, {0x00, 0x08, 0x00, 0x00});
else
rc = send_seq(priv, {0x80, 0x08, 0x00, 0x00});
priv->cur_fw.type = 0; /* need firmware reload */
mutex_unlock(&priv->lock);
return rc;
}
static int xc2028_dvb_release(struct dvb_frontend *fe)
{
struct xc2028_data *priv = fe->tuner_priv;
@ -1009,6 +1031,7 @@ static const struct dvb_tuner_ops xc2028_dvb_tuner_ops = {
.get_frequency = xc2028_get_frequency,
.get_rf_strength = xc2028_signal,
.set_params = xc2028_set_params,
.sleep = xc2028_sleep,
};