2.4.21-pre7 ac97fix

diff -Naur tmp2/linux-2.4.20/include/linux/ac97_codec.h linux-2.4.20/include/linux/ac97_codec.h
@@ -222,6 +222,8 @@
        int dev_mixer;
        int type;
 
+       int modem:1;
+
        struct ac97_ops *codec_ops;
 
        /* controller specific lower leverl ac97 accessing routines */

@@ -237,6 +239,9 @@
        int stereo_mixers;
        int record_sources;
 
+       /* Property flags */
+       int flags;
+
        int bit_resolution;
 
        /* OSS mixer interface */

@@ -265,6 +270,8 @@
        int (*amplifier)(struct ac97_codec *codec, int on);
        /* Digital mode control */
        int (*digital)(struct ac97_codec *codec, int format);
+#define AC97_DELUDED_MODEM     1       /* Audio codec reports its a modem */
+#define AC97_NO_PCM_VOLUME     2       /* Volume control is missing 
   */
 };