[PATCH] drivers/isdn/i4l/: possible cleanups

This patch contains the following possible cleanups:
- make needlessly global code static
- remove the following unused global function:
  - isdn_audio.c: isdn_audio_2adpcm_flush
- remove the following unused struct:
  - isdn_net.c: isdn_concap_demand_dial_dops

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/isdn/i4l/isdn_ttyfax.c

@@ -148,7 +148,7 @@ isdn_tty_fax_modem_result(int code, modem_info * info)
 	}
 }
 
-int
+static int
 isdn_tty_fax_command1(modem_info * info, isdn_ctrl * c)
 {
 	static char *msg[] =
@@ -316,7 +316,7 @@ isdn_tty_fax_bitorder(modem_info * info, struct sk_buff *skb)
  * Parse AT+F.. FAX class 1 commands
  */
 
-int
+static int
 isdn_tty_cmd_FCLASS1(char **p, modem_info * info)
 {
 	static char *cmd[] =
@@ -408,7 +408,7 @@ isdn_tty_cmd_FCLASS1(char **p, modem_info * info)
  * Parse AT+F.. FAX class 2 commands
  */
 
-int
+static int
 isdn_tty_cmd_FCLASS2(char **p, modem_info * info)
 {
 	atemu *m = &info->emu;