[PATCH] dvb: frontend: cx24110: another DiSEqC fix
Adam Szalkowski [Fri, 9 Sep 2005 20:02:35 +0000 (13:02 -0700)]
Fix DiSEqC problems.

Signed-off-by: Adam Szalkowski <adam@szalkowski.de>
Signed-off-by: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/media/dvb/frontends/cx24110.c

index 71b5409..eb4833e 100644 (file)
@@ -398,7 +398,8 @@ static int cx24110_diseqc_send_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t
                return -EINVAL;
 
        rv = cx24110_readreg(state, 0x77);
-       cx24110_writereg(state, 0x77, rv | 0x04);
+       if (!(rv & 0x04))
+               cx24110_writereg(state, 0x77, rv | 0x04);
 
        rv = cx24110_readreg(state, 0x76);
        cx24110_writereg(state, 0x76, ((rv & 0x90) | 0x40 | bit));
@@ -418,14 +419,16 @@ static int cx24110_send_diseqc_msg(struct dvb_frontend* fe,
                cx24110_writereg(state, 0x79 + i, cmd->msg[i]);
 
        rv = cx24110_readreg(state, 0x77);
-       cx24110_writereg(state, 0x77, rv & ~0x04);
-       msleep(30); /* reportedly fixes switching problems */
+       if (rv & 0x04) {
+               cx24110_writereg(state, 0x77, rv & ~0x04);
+               msleep(30); /* reportedly fixes switching problems */
+       }
 
        rv = cx24110_readreg(state, 0x76);
 
        cx24110_writereg(state, 0x76, ((rv & 0x90) | 0x40) | ((cmd->msg_len-3) & 3));
-       for (i=500; i-- > 0 && !(cx24110_readreg(state,0x76)&0x40);)
-               ; /* wait for LNB ready */
+       for (i=100; i-- > 0 && !(cx24110_readreg(state,0x76)&0x40);)
+               msleep(1); /* wait for LNB ready */
 
        return 0;
 }