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[linux-dvb] Twinhan VP1020 DST DiseqC command length patch/fix.
Hello,
The current dst frontend for twinhan vp1020 only supports diseqc commands
up to length 4. This patch against current CVS adds support for length 5
(rotors etc now work). I have not figured out how to get len 6 working yet.
Anyone know if this is possible with this problematic card ?
--
-Jonan Santiago
--- dst.c.orig 2004-11-18 18:41:15.000000000 -0500
+++ dst.c 2004-11-18 18:39:30.000000000 -0500
@@ -767,10 +767,20 @@
if (state->dst_type == DST_TYPE_IS_TERR)
return 0;
-
- if (cmd->msg_len == 0 || cmd->msg_len > 4)
- return -EINVAL;
- memcpy(&paket[3], cmd->msg, cmd->msg_len);
+
+ switch(cmd->msg_len){
+ case 3:
+ case 4:
+ paket[2]=cmd->msg_len;
+ memcpy(&paket[3], cmd->msg, cmd->msg_len);
+ break;
+ case 5:
+ memcpy(&paket[2], cmd->msg, cmd->msg_len);
+ break;
+ default:
+ return -EINVAL;
+ }
+
paket[7] = dst_check_sum(&paket[0], 7);
dst_command(state, paket, 8);
return 0;
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