Re: fix dmasound compile error for tas300x

[Michael Ellerman]

On Sun, 2006-12-17 at 14:38 +0100, marvin wrote:
> hi,
>
> I need the attached patch to compile the awacs/dmasound driver. There is still
> some warning, but I don't know how to fix it. Only build tested because I'm
> using alsa ...

Al Viro already posted a patch which has slightly more chance of
working. I'm not sure who's supposed to merge it, it seems to have
fallen through the cracks.

http://lkml.org/lkml/2006/12/8/34

cheers

a987c6e8f3fd76d1b123fc0215777ea0b91f04a4
diff --git a/sound/oss/dmasound/tas3001c.c b/sound/oss/dmasound/tas3001c.c
index f227c9f..2f21a3c 100644
--- a/sound/oss/dmasound/tas3001c.c
+++ b/sound/oss/dmasound/tas3001c.c
@@ -50,6 +50,7 @@ struct tas3001c_data_t {
  int output_id;
  int speaker_id;
  struct tas_drce_t drce_state;
+ struct work_struct change;
 };
 
 
@@ -667,14 +668,13 @@ tas3001c_update_device_parameters(struct
 }
 
 static void
-tas3001c_device_change_handler(void *self)
+tas3001c_device_change_handler(struct work_struct *work)
 {
- if (self)
- tas3001c_update_device_parameters(self);
+ struct tas3001c_data_t *self;
+ self = container_of(work, struct tas3001c_data_t, change);
+ tas3001c_update_device_parameters(self);
 }
 
-static struct work_struct device_change;
-
 static int
 tas3001c_output_device_change( struct tas3001c_data_t *self,
  int device_id,
@@ -685,7 +685,7 @@ tas3001c_output_device_change( struct ta
  self->output_id=output_id;
  self->speaker_id=speaker_id;
 
- schedule_work(&device_change);
+ schedule_work(&self->change);
  return 0;
 }
 
@@ -823,7 +823,7 @@ tas3001c_init(struct i2c_client *client)
  tas3001c_write_biquad_shadow(self, i, j,
  &tas3001c_eq_unity);
 
- INIT_WORK(&device_change, tas3001c_device_change_handler, self);
+ INIT_WORK(&self->change, tas3001c_device_change_handler);
  return 0;
 }
 
diff --git a/sound/oss/dmasound/tas3004.c b/sound/oss/dmasound/tas3004.c
index 82eaaca..af34fb3 100644
--- a/sound/oss/dmasound/tas3004.c
+++ b/sound/oss/dmasound/tas3004.c
@@ -48,6 +48,7 @@ struct tas3004_data_t {
  int output_id;
  int speaker_id;
  struct tas_drce_t drce_state;
+ struct work_struct change;
 };
 
 #define MAKE_TIME(sec,usec) (((sec)<<12) + (50000+(usec/10)*(1<<12))/100000)
@@ -914,15 +915,13 @@ tas3004_update_device_parameters(struct
 }
 
 static void
-tas3004_device_change_handler(void *self)
+tas3004_device_change_handler(struct work_struct *work)
 {
- if (!self) return;
-
- tas3004_update_device_parameters((struct tas3004_data_t *)self);
+ struct tas3004_data_t *self;
+ self = container_of(work, struct tas3004_data_t, change);
+ tas3004_update_device_parameters(self);
 }
 
-static struct work_struct device_change;
-
 static int
 tas3004_output_device_change( struct tas3004_data_t *self,
  int device_id,
@@ -933,7 +932,7 @@ tas3004_output_device_change( struct tas
  self->output_id=output_id;
  self->speaker_id=speaker_id;
 
- schedule_work(&device_change);
+ schedule_work(&self->change);
 
  return 0;
 }
@@ -1112,7 +1111,7 @@ tas3004_init(struct i2c_client *client)
  tas3004_write_register(self, TAS3004_REG_MCR2, &mcr2, WRITE_SHADOW);
  tas3004_write_register(self, TAS3004_REG_DRC, drce_init, WRITE_SHADOW);
 
- INIT_WORK(&device_change, tas3004_device_change_handler, self);
+ INIT_WORK(&self->change, tas3004_device_change_handler);
  return 0;
 }
 


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