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[media] tuner-core: do the right thing for suspend/resume 

Power down tuners at suspend. At resume, if the tuner is in standby,
calls set_mode, that will turn it on and set the latest frequencies.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
hifive-unleashed-5.1
Mauro Carvalho Chehab 2011-02-04 11:15:21 -03:00
parent cbde689823
commit e2f63d9ba5
1 changed files with 9 additions and 5 deletions
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14
drivers/media/video/tuner-core.c
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@ -1121,9 +1121,13 @@ static int tuner_log_status(struct v4l2_subdev *sd)
static int tuner_suspend(struct i2c_client *c, pm_message_t state)
{
struct tuner *t = to_tuner(i2c_get_clientdata(c));
struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops;
tuner_dbg("suspend\n");
/* FIXME: power down ??? */
if (!t->standby && analog_ops->standby)
analog_ops->standby(&t->fe);
return 0;
}
@ -1132,10 +1136,10 @@ static int tuner_resume(struct i2c_client *c)
struct tuner *t = to_tuner(i2c_get_clientdata(c));
tuner_dbg("resume\n");
if (V4L2_TUNER_RADIO == t->mode)
set_freq(c, t->radio_freq);
else
set_freq(c, t->tv_freq);
if (!t->standby)
set_mode_freq(c, t, t->type, 0);
return 0;
}