V4L/DVB: cx25821: fix coding style issues in cx25821-alsa.c

This is a patch to cx25821-alsa.c file that fixes of most of the
warning & errors found by checkpatch.pl tool

[mchehab@redhat.com: Fix conflicts with changeset 4e0c923a0d23f86c7331b32bc2aeb280e10e029e]
Signed-off-by: sai gopal <tsg321@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/staging/cx25821/cx25821-alsa.c

@@ -718,7 +718,8 @@ static int cx25821_audio_initdev(struct cx25821_dev *dev)
 		goto error;
 	}
 
-	if ((err == snd_cx25821_pcm(chip, 0, "cx25821 Digital")) < 0) {
+	err = snd_cx25821_pcm(chip, 0, "cx25821 Digital");
+	if (err < 0) {
 		printk(KERN_INFO
 		       "DEBUG ERROR: cannot create snd_cx25821_pcm %s\n",
 		       __func__);