diff options
| author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-03-07 16:34:53 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-03-21 07:44:05 -0300 |
| commit | 0c189fa69ed3d9c08d6f1db845c6fd174c92c429 (patch) | |
| tree | e3cd43d482dde56ccd99ec68adfcca95b424e626 | |
| parent | a51fea4fdbf1c8151f55029c82f850cbd335ff29 (diff) | |
| download | linux-0c189fa69ed3d9c08d6f1db845c6fd174c92c429.tar.bz2 | |
[media] siano: add support for LNA on ISDB-T
The very same code also exists for DVB-T. Add it for ISDB-T.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| -rw-r--r-- | drivers/media/common/siano/smsdvb.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/media/common/siano/smsdvb.c b/drivers/media/common/siano/smsdvb.c index 4900aa9e8b7a..864f53e7ca63 100644 --- a/drivers/media/common/siano/smsdvb.c +++ b/drivers/media/common/siano/smsdvb.c @@ -655,7 +655,7 @@ static int smsdvb_isdbt_set_frontend(struct dvb_frontend *fe) int board_id = smscore_get_board_id(client->coredev); struct sms_board *board = sms_get_board(board_id); enum sms_device_type_st type = board->type; - + int ret; struct { struct SmsMsgHdr_ST Msg; u32 Data[4]; @@ -695,6 +695,23 @@ static int smsdvb_isdbt_set_frontend(struct dvb_frontend *fe) c->frequency, c->isdbt_sb_segment_count, c->isdbt_sb_segment_idx); + /* 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 didn't 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); } |