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authorAdam Szalkowski <adamsz@gmx.net>2005-09-09 22:02:35 +0200
committerLinus Torvalds <torvalds@g5.osdl.org>2005-09-09 22:57:39 +0200
commit296c786a0d2122b1e47c80ca717d8a8ac36402c1 (patch)
treeadc52c99f6059e8772d53c7d9c912db190bc8c92 /drivers/media/dvb/frontends/cx24110.c
parent[PATCH] dvb: frontend: cx24110: DiSEqC fix (diff)
downloadlinux-296c786a0d2122b1e47c80ca717d8a8ac36402c1.tar.xz
linux-296c786a0d2122b1e47c80ca717d8a8ac36402c1.zip
[PATCH] dvb: frontend: cx24110: another DiSEqC fix
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>
Diffstat (limited to 'drivers/media/dvb/frontends/cx24110.c')
-rw-r--r--drivers/media/dvb/frontends/cx24110.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/media/dvb/frontends/cx24110.c b/drivers/media/dvb/frontends/cx24110.c
index 71b54094bda8..eb4833ee72be 100644
--- a/drivers/media/dvb/frontends/cx24110.c
+++ b/drivers/media/dvb/frontends/cx24110.c
@@ -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;
}