From: Olli Salonen <olli.salonen@iki.fi>
Date: Sun, 12 Oct 2014 11:31:38 +0000 (-0300)
Subject: [media] dvbsky: add option to disable IR receiver
X-Git-Tag: firefly_0821_release~176^2~2474^2~291
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=69e7b6503ee415a95cdc71b7811722e53a370712;p=firefly-linux-kernel-4.4.55.git

[media] dvbsky: add option to disable IR receiver

Add an option to disable remote controller for DVBSky devices by specifying
the disable_rc option at modprobe.

Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
---

diff --git a/drivers/media/usb/dvb-usb-v2/dvbsky.c b/drivers/media/usb/dvb-usb-v2/dvbsky.c
index f390a046d39d..2499635df52f 100644
--- a/drivers/media/usb/dvb-usb-v2/dvbsky.c
+++ b/drivers/media/usb/dvb-usb-v2/dvbsky.c
@@ -25,6 +25,10 @@
 #define DVBSKY_MSG_DELAY	0/*2000*/
 #define DVBSKY_BUF_LEN	64
 
+static int dvb_usb_dvbsky_disable_rc;
+module_param_named(disable_rc, dvb_usb_dvbsky_disable_rc, int, 0644);
+MODULE_PARM_DESC(disable_rc, "Disable inbuilt IR receiver.");
+
 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
 
 struct dvbsky_state {
@@ -213,6 +217,11 @@ static int dvbsky_rc_query(struct dvb_usb_device *d)
 
 static int dvbsky_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc)
 {
+	if (dvb_usb_dvbsky_disable_rc) {
+		rc->map_name = NULL;
+		return 0;
+	}
+
 	rc->allowed_protos = RC_BIT_RC5;
 	rc->query          = dvbsky_rc_query;
 	rc->interval       = 300;