[ALSA] Remove obsolete chip_t

Modules: Documentation,MIPS AU1x00 driver,PPC Beep,SPARC DBRI driver

Removed the use of chip_t, which was obsoleted.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl b/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl
index 05ae29a..260334c 100644
--- a/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl
+++ b/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl
@@ -3693,8 +3693,7 @@
         <para>
           Here, the chip instance is retrieved via
         <function>snd_kcontrol_chip()</function> macro.  This macro
-        converts from kcontrol-&gt;private_data to the type defined by
-        <type>chip_t</type>. The
+        just accesses to kcontrol-&gt;private_data. The
         kcontrol-&gt;private_data field is 
         given as the argument of <function>snd_ctl_new()</function>
         (see the later subsection
diff --git a/sound/mips/au1x00.c b/sound/mips/au1x00.c
index b7af85f..2df78a6 100644
--- a/sound/mips/au1x00.c
+++ b/sound/mips/au1x00.c
@@ -57,8 +57,6 @@
 MODULE_DEVICES("{{AMD,Au1000 AC'97}}");
 #endif
 
-#define chip_t au1000_t
-
 #define PLAYBACK 0
 #define CAPTURE 1
 #define AC97_SLOT_3 0x01
diff --git a/sound/ppc/beep.c b/sound/ppc/beep.c
index 1681ee1..d4ec6cc 100644
--- a/sound/ppc/beep.c
+++ b/sound/ppc/beep.c
@@ -171,8 +171,6 @@
  * beep volume mixer
  */
 
-#define chip_t pmac_t
-
 static int snd_pmac_info_beep(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 {
 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
diff --git a/sound/sparc/dbri.c b/sound/sparc/dbri.c
index b5c4c15..59a77129 100644
--- a/sound/sparc/dbri.c
+++ b/sound/sparc/dbri.c
@@ -343,9 +343,6 @@
 	struct snd_dbri *next;
 } snd_dbri_t;
 
-/* Needed for the ALSA macros to work */
-#define chip_t snd_dbri_t
-
 #define DBRI_MAX_VOLUME		63	/* Output volume */
 #define DBRI_MAX_GAIN		15	/* Input gain */
 #define DBRI_RIGHT_BALANCE	255
@@ -1767,7 +1764,7 @@
 	spin_unlock_irqrestore(&dbri->lock, flags);
 }
 
-DECLARE_TASKLET(xmit_descs_task, xmit_descs, 0);
+static DECLARE_TASKLET(xmit_descs_task, xmit_descs, 0);
 
 /* transmission_complete_intr()
  *