Staging: comedi: dt2801.c: Checkpatch cleanup

ERROR: code indent should use tabs where possible
+          0 = [-10,10]$

ERROR: code indent should use tabs where possible
+          0 = [-10,10]$

WARNING: braces {} are not necessary for single statement blocks
+		if (stat & (DT_S_COMPOSITE_ERROR | DT_S_READY)) {
+			return stat;
+		}

WARNING: braces {} are not necessary for single statement blocks
+		if (stat & DT_S_COMPOSITE_ERROR) {
+			return stat;
+		}

WARNING: braces {} are not necessary for single statement blocks
+	if (stat & DT_S_READY) {
+		return 0;
+	}

WARNING: braces {} are not necessary for single statement blocks
+		if (stat & DT_S_COMPOSITE_ERROR) {
+			return stat;
+		}

WARNING: braces {} are not necessary for single statement blocks
+		if (stat & DT_S_READY) {
+			return 0;
+		}

WARNING: braces {} are not necessary for single statement blocks
+	if (!(stat & DT_S_READY)) {
+		printk("dt2801: !ready in dt2801_writecmd(), ignoring\n");
+	}

WARNING: braces {} are not necessary for single statement blocks
+	if (!timeout) {
+		printk("dt2801: timeout 1 status=0x%02x\n", stat);
+	}

WARNING: braces {} are not necessary for single statement blocks
+	if (!timeout) {
+		printk("dt2801: timeout 2 status=0x%02x\n", stat);
+	}

WARNING: braces {} are not necessary for any arm of this statement
+		if (stat == -ETIME) {
[...]
+		} else {
[...]

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>