V4L/DVB (3671): New module parameter 'tv_standard' (dvb-ttpci driver)

This attached patch was originally proposed by Anssi Hannula to the dvb-kernel
user to choose the default broadcast mode when using the ttpci driver.
NTSC users need to only add the following line to modprobe.d:
options dvb-ttpci tv_standard=1 
PAL users will not need to change anything, for this will be the default.

Signed-off-by: C.Y.M <syphir@syphir.sytes.net>
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/dvb/ttpci/av7110.c

@@ -87,6 +87,7 @@ static int volume = 255;
 static int budgetpatch;
 static int wss_cfg_4_3 = 0x4008;
 static int wss_cfg_16_9 = 0x0007;
+static int tv_standard;
 
 module_param_named(debug, av7110_debug, int, 0644);
 MODULE_PARM_DESC(debug, "debug level (bitmask, default 0)");
@@ -109,6 +110,8 @@ module_param(wss_cfg_4_3, int, 0444);
 MODULE_PARM_DESC(wss_cfg_4_3, "WSS 4:3 - default 0x4008 - bit 15: disable, 14: burst mode, 13..0: wss data");
 module_param(wss_cfg_16_9, int, 0444);
 MODULE_PARM_DESC(wss_cfg_16_9, "WSS 16:9 - default 0x0007 - bit 15: disable, 14: burst mode, 13..0: wss data");
+module_param(tv_standard, int, 0444);
+MODULE_PARM_DESC(tv_standard, "TV standard: 0 PAL (default), 1 NTSC");
 
 static void restart_feeds(struct av7110 *av7110);
 
@@ -2543,6 +2546,9 @@ static int __devinit av7110_attach(struct saa7146_dev* dev,
 	av7110->osdwin = 1;
 	mutex_init(&av7110->osd_mutex);
 
+	/* TV standard */
+	av7110->vidmode = tv_standard == 1 ? VIDEO_MODE_NTSC : VIDEO_MODE_PAL;
+
 	/* ARM "watchdog" */
 	init_waitqueue_head(&av7110->arm_wait);
 	av7110->arm_thread = NULL;

drivers/media/dvb/ttpci/av7110_av.c

@@ -1479,8 +1479,6 @@ int av7110_av_init(struct av7110 *av7110)
 	void (*play[])(u8 *, int, void *) = { play_audio_cb, play_video_cb };
 	int i, ret;
 
-	av7110->vidmode = VIDEO_MODE_PAL;
-
 	for (i = 0; i < 2; i++) {
 		struct ipack *ipack = av7110->ipack + i;