[media] rtl2832_sdr: control ADC

[cascardo/linux.git] / drivers / media / dvb-frontends / rtl2832_sdr.c

diff --git a/drivers/media/dvb-frontends/rtl2832_sdr.c b/drivers/media/dvb-frontends/rtl2832_sdr.c
index 7bf98cf..2896b47 100644 (file)
--- a/drivers/media/dvb-frontends/rtl2832_sdr.c
+++ b/drivers/media/dvb-frontends/rtl2832_sdr.c
@@ -1013,6 +1013,10 @@ static int rtl2832_sdr_start_streaming(struct vb2_queue *vq, unsigned int count)
        if (s->d->props->power_ctrl)
                s->d->props->power_ctrl(s->d, 1);
 
+       /* enable ADC */
+       if (s->d->props->frontend_ctrl)
+               s->d->props->frontend_ctrl(s->fe, 1);
+
        set_bit(POWER_ON, &s->flags);
 
        ret = rtl2832_sdr_set_tuner(s);
@@ -1064,6 +1068,10 @@ static void rtl2832_sdr_stop_streaming(struct vb2_queue *vq)
 
        clear_bit(POWER_ON, &s->flags);
 
+       /* disable ADC */
+       if (s->d->props->frontend_ctrl)
+               s->d->props->frontend_ctrl(s->fe, 0);
+
        if (s->d->props->power_ctrl)
                s->d->props->power_ctrl(s->d, 0);