---

yaml --- r: 325121 b: refs/heads/master c: af031ed h: refs/heads/master i: 325119: 4aef51d v: v3
git-mirror · Sep 11, 2012 · b57c70c · b57c70c
1 parent fab27c7
commit b57c70c
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Showing 2 changed files with 9 additions and 15 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2873ea8154b220c11f5e17222a3879925d7db506
+refs/heads/master: af031edf3f377b946c1d2b0d163fcf32b1041434
diff --git a/trunk/drivers/staging/comedi/drivers/adl_pci9111.c b/trunk/drivers/staging/comedi/drivers/adl_pci9111.c
@@ -809,21 +809,15 @@ static void pci9111_ai_munge(struct comedi_device *dev,
 			     unsigned int num_bytes,
 			     unsigned int start_chan_index)
 {
-	unsigned int i, num_samples = num_bytes / sizeof(short);
 	short *array = data;
-	int resolution =
-	    ((struct pci9111_board *)dev->board_ptr)->ai_resolution;
-
-	for (i = 0; i < num_samples; i++) {
-		if (resolution == PCI9111_HR_AI_RESOLUTION)
-			array[i] =
-			    (array[i] & PCI9111_HR_AI_RESOLUTION_MASK) ^
-			    PCI9111_HR_AI_RESOLUTION_2_CMP_BIT;
-		else
-			array[i] =
-			    ((array[i] >> 4) & PCI9111_AI_RESOLUTION_MASK) ^
-			    PCI9111_AI_RESOLUTION_2_CMP_BIT;
-	}
+	unsigned int maxdata = s->maxdata;
+	unsigned int invert = (maxdata + 1) >> 1;
+	unsigned int shift = (maxdata == 0xffff) ? 0 : 4;
+	unsigned int num_samples = num_bytes / sizeof(short);
+	unsigned int i;
+
+	for (i = 0; i < num_samples; i++)
+		array[i] = ((array[i] >> shift) & maxdata) ^ invert;
 }
 
 /*  ------------------------------------------------------------------ */