Ticket #6038: dvd_speed_patch.txt

File dvd_speed_patch.txt, 1.1 KB (added by Rob Webb <robwebb5@…>, 17 years ago)

patch to make MythTV call SG_IO and then CDROSELECT_SPEED - tested on NEC 3550A

Line 
1--- ./libs/libmyth/mythcdrom-linux.cpp.orig 2008-12-22 09:56:00.000000000 +0000
2+++ ./libs/libmyth/mythcdrom-linux.cpp 2008-12-22 09:59:50.000000000 +0000
3@@ -712,15 +712,20 @@
4 buffer[18] = buffer[26] = 0x03;
5 buffer[19] = buffer[27] = 0xe8;
6
7- // On my system (2.6.18 + ide-cd), SG_IO succeeds without doing anything,
8- // while CDROM_SELECT_SPEED works...
9- if (ioctl(fd, CDROM_SELECT_SPEED, speed) < 0)
10+ if (ioctl(fd, SG_IO, &sghdr) < 0)
11 {
12- if (ioctl(fd, SG_IO, &sghdr) < 0)
13- VERBOSE(VB_MEDIA, LOC_ERR + "Limit CD/DVD Speed Failed");
14+ VERBOSE(VB_MEDIA, LOC_ERR + "Limit CD/DVD Speed Failed");
15 }
16- else
17+ else
18+ {
19+ // On my system (2.6.18 + ide-cd), SG_IO succeeds without doing anything,
20+ // while CDROM_SELECT_SPEED works...
21+ if (ioctl(fd, CDROM_SELECT_SPEED, speed) < 0)
22+ {
23+ VERBOSE(VB_MEDIA, LOC_ERR + "Limit CD/DVD CDROM_SELECT_SPEED Failed");
24+ }
25 VERBOSE(VB_MEDIA, LOC + ":setSpeed() - CD/DVD Speed Set Successful");
26+ }
27
28 close(fd);
29 }