[ALSA] ac97: YMF743 missing controls support (1/2)

These patches enable some YMF743 controls (Tone/3D/IEC958) that won't
be detected with the current version of ALSA.
The first one contains only cosmetic changes to share a few
YMF753-specific symbols with YMF743.

Signed-off-by: Keita Maehara <maehara@debian.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/include/sound/ac97_codec.h b/include/sound/ac97_codec.h
index 246ac23..3b9eed7 100644
--- a/include/sound/ac97_codec.h
+++ b/include/sound/ac97_codec.h
@@ -345,9 +345,9 @@
 #define AC97_ALC650_GPIO_STATUS		0x78
 #define AC97_ALC650_CLOCK		0x7a
 
-/* specific - Yamaha YMF753 */
-#define AC97_YMF753_DIT_CTRL2	0x66	/* DIT Control 2 */
-#define AC97_YMF753_3D_MODE_SEL	0x68	/* 3D Mode Select */
+/* specific - Yamaha YMF7x3 */
+#define AC97_YMF7X3_DIT_CTRL	0x66	/* DIT Control (YMF743) / 2 (YMF753) */
+#define AC97_YMF7X3_3D_MODE_SEL	0x68	/* 3D Mode Select */
 
 /* specific - C-Media */
 #define AC97_CM9738_VENDOR_CTRL	0x5a