---

yaml --- r: 179456 b: refs/heads/master c: f8e26cd h: refs/heads/master v: v3
git-mirror · Jan 17, 2010 · e64c91a · e64c91a
1 parent 26c7211
commit e64c91a
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Showing 2 changed files with 8 additions and 10 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 77557abef0de3f1f1e8f563db6df8710a9e930fe
+refs/heads/master: f8e26cdec5ac25ae8d73e278e21033292de5430b
diff --git a/trunk/drivers/media/dvb/mantis/mantis_core.c b/trunk/drivers/media/dvb/mantis/mantis_core.c
@@ -172,25 +172,23 @@ int mantis_core_exit(struct mantis_pci *mantis)
 	return 0;
 }
 
+// Turn the given bit on or off.
 void gpio_set_bits(struct mantis_pci *mantis, u32 bitpos, u8 value)
 {
-	u32 reg;
+	u32 currVal, newVal;
+
+	currVal = mmread(MANTIS_GPIF_ADDR);
 
 	if (value)
-		reg = 0x0000;
+		newVal = currVal | (1 << bitpos);
 	else
-		reg = 0xffff;
-
-	reg = (value << bitpos);
+		newVal = currVal & (~(1 << bitpos));
 
-	mmwrite(mmread(MANTIS_GPIF_ADDR) | reg, MANTIS_GPIF_ADDR);
+	mmwrite(newVal, MANTIS_GPIF_ADDR);
 	mmwrite(0x00, MANTIS_GPIF_DOUT);
 	udelay(100);
-	mmwrite(mmread(MANTIS_GPIF_ADDR) | reg, MANTIS_GPIF_ADDR);
-	mmwrite(0x00, MANTIS_GPIF_DOUT);
 }
 
-
 //direction = 0 , no CI passthrough ; 1 , CI passthrough
 void mantis_set_direction(struct mantis_pci *mantis, int direction)
 {