Currently wscan will not autodetect frontends which which have frontend != 0,
i.e. it only detects /dev/dvb/adapterN/frontend0 where N=0-3.
Since multiple frontends per adapter are supported in 2.6.28, this means the correct
frontend may not be found. For example with the HVR4000, DVB-T is always at frontend1.
The attached patch fixes this, searching for frontend 0-3 for each adapter 0-3.
Signed-off-by: Hans Werner <hwerner4@xxxxxx>.
--
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diff -Nur w_scan-20080815/scan.c w_scan-20080815_fixautodetection/scan.c
--- w_scan-20080815/scan.c 2008-08-16 09:02:01.000000000 +0100
+++ w_scan-20080815_fixautodetection/scan.c 2008-11-06 12:24:40.000000000 +0000
@@ -2579,7 +2579,7 @@
{
char frontend_devname [80];
int adapter = 999, frontend = 0, demux = 0;
- int opt, i;
+ int opt, i, j;
int frontend_fd;
int fe_open_mode;
int frontend_type = FE_OFDM;
@@ -2716,18 +2716,19 @@
info("Info: using DVB adapter auto detection.\n");
fe_open_mode = O_RDWR | O_NONBLOCK;
for (i=0; i < 4; i++) {
- snprintf (frontend_devname, sizeof(frontend_devname), "/dev/dvb/adapter%i/frontend0", i);
- if ((frontend_fd = open (frontend_devname, fe_open_mode)) < 0) {
+ for (j=0; j < 4; j++) {
+ snprintf (frontend_devname, sizeof(frontend_devname), "/dev/dvb/adapter%i/frontend%i", i, j);
+ if ((frontend_fd = open (frontend_devname, fe_open_mode)) < 0) {
info("Info: unable to open frontend %s'\n", frontend_devname);
continue;
}
- /* determine FE type and caps */
- if (ioctl(frontend_fd, FE_GET_INFO, &fe_info) == -1) {
+ /* determine FE type and caps */
+ if (ioctl(frontend_fd, FE_GET_INFO, &fe_info) == -1) {
info(" ERROR: unable to determine frontend type\n");
close (frontend_fd);
continue;
- }
- if (fe_info.type==frontend_type) {
+ }
+ if (fe_info.type == frontend_type) {
if (fe_info.type == FE_OFDM)
info(" Found DVB-T frontend. Using adapter %s\n",frontend_devname);
else if (fe_info.type == FE_ATSC)
@@ -2736,9 +2737,11 @@
info(" Found DVB-C frontend. Using adapter %s\n",frontend_devname);
close (frontend_fd);
adapter=i;
+ frontend=j;
break;
- }
+ }
+ }
}
}
snprintf (frontend_devname, sizeof(frontend_devname),
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