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authorMichael Krufky <mkrufky@linuxtv.org>2008-12-16 02:56:08 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-03-30 12:43:00 -0300
commitd54093afb1eaa34ff0026cfcf72f471b9bf77e8a (patch)
tree1a2722b37e0448cac754c2c7c009f0ff48a6648e /drivers/media/dvb/siano/smsdvb.c
parentb72857dd457b96de653b19b3c40394dac6285819 (diff)
downloadblackbird-op-linux-d54093afb1eaa34ff0026cfcf72f471b9bf77e8a.tar.gz
blackbird-op-linux-d54093afb1eaa34ff0026cfcf72f471b9bf77e8a.zip
V4L/DVB (10746): sms1xxx: enable rf switch on Hauppauge Tiger devices
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb/siano/smsdvb.c')
-rw-r--r--drivers/media/dvb/siano/smsdvb.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/media/dvb/siano/smsdvb.c b/drivers/media/dvb/siano/smsdvb.c
index 2da953a4f4f5..0a7af92b66aa 100644
--- a/drivers/media/dvb/siano/smsdvb.c
+++ b/drivers/media/dvb/siano/smsdvb.c
@@ -262,6 +262,7 @@ static int smsdvb_set_frontend(struct dvb_frontend *fe,
struct SmsMsgHdr_ST Msg;
u32 Data[3];
} Msg;
+ int ret;
Msg.Msg.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
Msg.Msg.msgDstId = HIF_TASK;
@@ -282,6 +283,24 @@ static int smsdvb_set_frontend(struct dvb_frontend *fe,
default: return -EINVAL;
}
+ /* Disable LNA, if any. An error is returned if no LNA is present */
+ ret = sms_board_lna_control(client->coredev, 0);
+ if (ret == 0) {
+ fe_status_t status;
+
+ /* tune with LNA off at first */
+ ret = smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
+ &client->tune_done);
+
+ smsdvb_read_status(fe, &status);
+
+ if (status & FE_HAS_LOCK)
+ return ret;
+
+ /* previous tune didnt lock - enable LNA and tune again */
+ sms_board_lna_control(client->coredev, 1);
+ }
+
return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
&client->tune_done);
}
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