diff mbox

rtl2832_sdr: control ADC

Message ID 1417648751-15442-1-git-send-email-crope@iki.fi (mailing list archive)
State New, archived
Headers show

Commit Message

Antti Palosaari Dec. 3, 2014, 11:19 p.m. UTC 
Recent rtl28xxu patch I made moved demod ADC enable from power control
to frontend control (due to slave demod support). Because of that we
need call USB interface frontend control too in order to enable ADC.

Signed-off-by: Antti Palosaari <crope@iki.fi>
---
 drivers/media/dvb-frontends/rtl2832_sdr.c | 8 ++++++++
 1 file changed, 8 insertions(+)
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Patch

diff --git a/drivers/media/dvb-frontends/rtl2832_sdr.c b/drivers/media/dvb-frontends/rtl2832_sdr.c
index 7bf98cf..2896b47 100644
--- 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);