[linux-dvb] Patch for select frontends in system with multiple cards

[linux-dvb] Patch for select frontends in system with multiple cards

[Mirek Slugeň]

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Hi, this patch add support for define frontend (satellite or 
terrestrial) in system with more than one cards.

example usage: saa7134-dvb use_frontend=0,1,0,1,1

Mirek Slugen

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diff -Naur v4l-dvb-24bc99070e97.old/linux/drivers/media/video/saa7134/saa7134-dvb.c v4l-dvb-24bc99070e97/linux/drivers/media/video/saa7134/saa7134-dvb.c
--- v4l-dvb-24bc99070e97.old/linux/drivers/media/video/saa7134/saa7134-dvb.c	2008-09-29 07:25:40.000000000 +0200
+++ v4l-dvb-24bc99070e97/linux/drivers/media/video/saa7134/saa7134-dvb.c	2008-10-01 10:25:05.000000000 +0200
@@ -57,8 +57,8 @@
 module_param(antenna_pwr, int, 0444);
 MODULE_PARM_DESC(antenna_pwr,"enable antenna power (Pinnacle 300i)");
 
-static int use_frontend;
-module_param(use_frontend, int, 0644);
+static unsigned int use_frontend[]     = {[0 ... (SAA7134_MAXBOARDS - 1)] = 0 };
+module_param_array(use_frontend, int, NULL, 0644);
 MODULE_PARM_DESC(use_frontend,"for cards with multiple frontends (0: terrestrial, 1: satellite)");
 
 static int debug;
@@ -1061,7 +1061,7 @@
 			goto dettach_frontend;
 		break;
 	case SAA7134_BOARD_FLYDVB_TRIO:
-		if (!use_frontend) {	/* terrestrial */
+		if (!use_frontend[dev->nr]) {	/* terrestrial */
 			if (configure_tda827x_fe(dev, &lifeview_trio_config,
 						 &tda827x_cfg_0) < 0)
 				goto dettach_frontend;
@@ -1103,7 +1103,7 @@
 			goto dettach_frontend;
 		break;
 	case SAA7134_BOARD_MEDION_MD8800_QUADRO:
-		if (!use_frontend) {     /* terrestrial */
+		if (!use_frontend[dev->nr]) {     /* terrestrial */
 			if (configure_tda827x_fe(dev, &md8800_dvbt_config,
 						 &tda827x_cfg_0) < 0)
 				goto dettach_frontend;
@@ -1315,7 +1315,7 @@
 		attach_xc3028 = 1;
 		break;
 	case SAA7134_BOARD_ASUSTeK_TIGER_3IN1:
-		if (!use_frontend) {     /* terrestrial */
+		if (!use_frontend[dev->nr]) {     /* terrestrial */
 			if (configure_tda827x_fe(dev, &asus_tiger_3in1_config,
 							&tda827x_cfg_2) < 0)
 				goto dettach_frontend;
@@ -1410,7 +1410,7 @@
 		/* otherwise we don't detect the tuner on next insmod */
 		saa7134_i2c_call_clients(dev, TUNER_SET_CONFIG, &tda9887_cfg);
 	} else if (dev->board == SAA7134_BOARD_MEDION_MD8800_QUADRO) {
-		if ((dev->eedata[2] == 0x07) && use_frontend) {
+		if ((dev->eedata[2] == 0x07) && use_frontend[dev->nr]) {
 			/* turn off the 2nd lnb supply */
 			u8 data = 0x80;
 			struct i2c_msg msg = {.addr = 0x08, .buf = &data, .flags = 0, .len = 1};

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