[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>
diff --git a/drivers/isdn/i4l/isdn_ttyfax.c b/drivers/isdn/i4l/isdn_ttyfax.c
index ce2c3ef..a943d07 100644
--- a/drivers/isdn/i4l/isdn_ttyfax.c
+++ b/drivers/isdn/i4l/isdn_ttyfax.c
@@ -148,7 +148,7 @@
 	}
 }
 
-int
+static int
 isdn_tty_fax_command1(modem_info * info, isdn_ctrl * c)
 {
 	static char *msg[] =
@@ -316,7 +316,7 @@
  * 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 @@
  * Parse AT+F.. FAX class 2 commands
  */
 
-int
+static int
 isdn_tty_cmd_FCLASS2(char **p, modem_info * info)
 {
 	atemu *m = &info->emu;