V4L/DVB (9643): em28xx: remove the previous register names

Previously, AC97 registers were named as if they were part of em28xx
device, generating some confusion. Replace such names for a more general
naming convention.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/em28xx/em28xx-core.c

@@ -304,11 +304,11 @@ static int em28xx_set_audio_source(struct em28xx *dev)
 	/* Sets AC97 mixer registers
 	   This is seems to be needed, even for non-ac97 configs
 	 */
-	ret = em28xx_write_ac97(dev, EM28XX_R14_VIDEO_AC97, video);
+	ret = em28xx_write_ac97(dev, AC97_VIDEO_VOL, video);
 	if (ret < 0)
 		return ret;
 
-	ret = em28xx_write_ac97(dev, EM28XX_R10_LINE_IN_AC97, line);
+	ret = em28xx_write_ac97(dev, AC97_LINEIN_VOL, line);
 
 	return ret;
 }
@@ -324,7 +324,7 @@ int em28xx_audio_analog_set(struct em28xx *dev)
 
 	/* Mute */
 	s[1] |= 0x80;
-	ret = em28xx_write_ac97(dev, EM28XX_R02_MASTER_AC97, s);
+	ret = em28xx_write_ac97(dev, AC97_MASTER_VOL, s);
 
 	if (ret < 0)
 		return ret;
@@ -346,7 +346,7 @@ int em28xx_audio_analog_set(struct em28xx *dev)
 	/* Unmute device */
 	if (!dev->mute)
 		s[1] &= ~0x80;
-	ret = em28xx_write_ac97(dev, EM28XX_R02_MASTER_AC97, s);
+	ret = em28xx_write_ac97(dev, AC97_MASTER_VOL, s);
 
 	return ret;
 }

drivers/media/video/em28xx/em28xx-reg.h

@@ -78,11 +78,6 @@
 	   0x47  IR data
 	 */
 
-/* em202 registers */
-#define EM28XX_R02_MASTER_AC97	0x02
-#define EM28XX_R10_LINE_IN_AC97    0x10
-#define EM28XX_R14_VIDEO_AC97	0x14
-
 /* em2874 registers */
 #define EM2874_R50_IR_CONFIG    0x50
 #define EM2874_R51_IR           0x51