---

yaml --- r: 161604 b: refs/heads/master c: f51fad8 h: refs/heads/master v: v3
git-mirror · Sep 12, 2009 · 19e1db1 · 19e1db1
1 parent 24dc2e0
commit 19e1db1
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Showing 2 changed files with 10 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 01886255ddf440eb21d3388bfc5343c966904d0e
+refs/heads/master: f51fad85af7b296b56031747c873c309b24ff77c
diff --git a/trunk/drivers/media/dvb/dvb-core/dvb_frontend.c b/trunk/drivers/media/dvb/dvb-core/dvb_frontend.c
@@ -838,6 +838,15 @@ static int dvb_frontend_check_parameters(struct dvb_frontend *fe,
 		}
 	}
 
+	/* check for supported modulation */
+	if (fe->ops.info.type == FE_QAM &&
+	    (parms->u.qam.modulation > QAM_AUTO ||
+	     !((1 << (parms->u.qam.modulation + 10)) & fe->ops.info.caps))) {
+		printk(KERN_WARNING "DVB: adapter %i frontend %i modulation %u not supported\n",
+		       fe->dvb->num, fe->id, parms->u.qam.modulation);
+			return -EINVAL;
+	}
+
 	return 0;
 }