summaryrefslogtreecommitdiff
path: root/drivers/media/rc/mceusb.c
diff options
context:
space:
mode:
authorMauro Carvalho Chehab <mchehab@s-opensource.com>2016-07-23 07:59:19 -0300
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2016-07-23 07:59:19 -0300
commitc278256d05a2fc75b427fa6a5dc0024faa93465d (patch)
tree2c09c6c65a4b6c597a568ec2425adb75eff7d5d5 /drivers/media/rc/mceusb.c
parent7e5b7d1b3a8facd4dc1ddb5d9ec53c0687d13de7 (diff)
parent009a620848218d521f008141c62f56bf19294dd9 (diff)
Merge branch 'patchwork' into topic/docs-next
* patchwork: (1492 commits) [media] cec: always check all_device_types and features [media] cec: poll should check if there is room in the tx queue [media] vivid: support monitor all mode [media] cec: fix test for unconfigured adapter in main message loop [media] cec: limit the size of the transmit queue [media] cec: zero unused msg part after msg->len [media] cec: don't set fh to NULL in CEC_TRANSMIT [media] cec: clear all status fields before transmit and always fill in sequence [media] cec: CEC_RECEIVE overwrote the timeout field [media] cxd2841er: Reading SNR for DVB-C added [media] cxd2841er: Reading BER and UCB for DVB-C added [media] cxd2841er: fix switch-case for DVB-C [media] cxd2841er: fix signal strength scale for ISDB-T [media] cxd2841er: adjust the dB scale for DVB-C [media] cxd2841er: provide signal strength for DVB-C [media] cxd2841er: fix BER report via DVBv5 stats API [media] mb86a20s: apply mask to val after checking for read failure [media] airspy: fix error logic during device register [media] s5p-cec/TODO: add TODO item [media] cec/TODO: drop comment about sphinx documentation ... Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media/rc/mceusb.c')
-rw-r--r--drivers/media/rc/mceusb.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/media/rc/mceusb.c b/drivers/media/rc/mceusb.c
index 5cf2e749b9eb..4f8c7effdcee 100644
--- a/drivers/media/rc/mceusb.c
+++ b/drivers/media/rc/mceusb.c
@@ -887,6 +887,12 @@ static int mceusb_set_tx_mask(struct rc_dev *dev, u32 mask)
{
struct mceusb_dev *ir = dev->priv;
+ /* return number of transmitters */
+ int emitters = ir->num_txports ? ir->num_txports : 2;
+
+ if (mask >= (1 << emitters))
+ return emitters;
+
if (ir->flags.tx_mask_normal)
ir->tx_mask = mask;
else
@@ -936,7 +942,7 @@ static int mceusb_set_tx_carrier(struct rc_dev *dev, u32 carrier)
}
- return carrier;
+ return 0;
}
/*