C.Y.M wrote:
> C.Y.M wrote:
>> This attached patch was originally proposed by Anssi Hannula to the dvb-kernel
>> tree a while ago. I have recreated the patch for v4l-dvb. It will allow the
>> user to choose the default broadcast mode when using the ttpci driver. Without
>> this patch, NTSC users must rebuild the module to default to NTSC or else every
>> time the channel is changed, the driver will go back into PAL mode, causing the
>> tv to "scroll".
>>
>> 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.
>>
>
> Recent checkins have broken previous patch. Here is a revised copy. Please let
> me know if this one is possible to get into the tree. It would be very useful
> to all of us dealing with NTSC only systems.
>
Signed-off-by: C.Y.M <syphir@xxxxxxxxxxxxxxxx>
Thanks,
C.Y.M.
diff -ru v4l-dvb.orig/linux/drivers/media/dvb/ttpci/av7110_av.c v4l-dvb/linux/drivers/media/dvb/ttpci/av7110_av.c
--- v4l-dvb.orig/linux/drivers/media/dvb/ttpci/av7110_av.c 2006-03-17 11:31:36.000000000 -0800
+++ v4l-dvb/linux/drivers/media/dvb/ttpci/av7110_av.c 2006-03-17 11:35:26.000000000 -0800
@@ -1479,8 +1479,6 @@
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;
diff -ru v4l-dvb.orig/linux/drivers/media/dvb/ttpci/av7110.c v4l-dvb/linux/drivers/media/dvb/ttpci/av7110.c
--- v4l-dvb.orig/linux/drivers/media/dvb/ttpci/av7110.c 2006-03-17 11:31:36.000000000 -0800
+++ v4l-dvb/linux/drivers/media/dvb/ttpci/av7110.c 2006-03-17 11:37:45.000000000 -0800
@@ -87,6 +87,7 @@
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_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 @@
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;
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