ALSA: Drop __bitwise and typedefs for snd_device attributes
Using __bitwise and typedefs for the attributes of snd_device struct
isn't so useful, and rather it worsens the readability. Let's drop
them and use the straightforward enum.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/include/sound/core.h b/include/sound/core.h
index 4519dac..a3e3e89 100644
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -48,32 +48,35 @@
#define SNDRV_DEV_TYPE_RANGE_SIZE 0x1000
-typedef int __bitwise snd_device_type_t;
-#define SNDRV_DEV_TOPLEVEL ((__force snd_device_type_t) 0)
-#define SNDRV_DEV_CONTROL ((__force snd_device_type_t) 1)
-#define SNDRV_DEV_LOWLEVEL_PRE ((__force snd_device_type_t) 2)
-#define SNDRV_DEV_LOWLEVEL_NORMAL ((__force snd_device_type_t) 0x1000)
-#define SNDRV_DEV_PCM ((__force snd_device_type_t) 0x1001)
-#define SNDRV_DEV_RAWMIDI ((__force snd_device_type_t) 0x1002)
-#define SNDRV_DEV_TIMER ((__force snd_device_type_t) 0x1003)
-#define SNDRV_DEV_SEQUENCER ((__force snd_device_type_t) 0x1004)
-#define SNDRV_DEV_HWDEP ((__force snd_device_type_t) 0x1005)
-#define SNDRV_DEV_INFO ((__force snd_device_type_t) 0x1006)
-#define SNDRV_DEV_BUS ((__force snd_device_type_t) 0x1007)
-#define SNDRV_DEV_CODEC ((__force snd_device_type_t) 0x1008)
-#define SNDRV_DEV_JACK ((__force snd_device_type_t) 0x1009)
-#define SNDRV_DEV_COMPRESS ((__force snd_device_type_t) 0x100A)
-#define SNDRV_DEV_LOWLEVEL ((__force snd_device_type_t) 0x2000)
+enum snd_device_type {
+ SNDRV_DEV_TOPLEVEL = 0,
+ SNDRV_DEV_CONTROL = 1,
+ SNDRV_DEV_LOWLEVEL_PRE = 2,
+ SNDRV_DEV_LOWLEVEL_NORMAL = 0x1000,
+ SNDRV_DEV_PCM,
+ SNDRV_DEV_RAWMIDI,
+ SNDRV_DEV_TIMER,
+ SNDRV_DEV_SEQUENCER,
+ SNDRV_DEV_HWDEP,
+ SNDRV_DEV_INFO,
+ SNDRV_DEV_BUS,
+ SNDRV_DEV_CODEC,
+ SNDRV_DEV_JACK,
+ SNDRV_DEV_COMPRESS,
+ SNDRV_DEV_LOWLEVEL = 0x2000,
+};
-typedef int __bitwise snd_device_state_t;
-#define SNDRV_DEV_BUILD ((__force snd_device_state_t) 0)
-#define SNDRV_DEV_REGISTERED ((__force snd_device_state_t) 1)
-#define SNDRV_DEV_DISCONNECTED ((__force snd_device_state_t) 2)
+enum snd_device_state {
+ SNDRV_DEV_BUILD,
+ SNDRV_DEV_REGISTERED,
+ SNDRV_DEV_DISCONNECTED,
+};
-typedef int __bitwise snd_device_cmd_t;
-#define SNDRV_DEV_CMD_PRE ((__force snd_device_cmd_t) 0)
-#define SNDRV_DEV_CMD_NORMAL ((__force snd_device_cmd_t) 1)
-#define SNDRV_DEV_CMD_POST ((__force snd_device_cmd_t) 2)
+enum snd_device_cmd {
+ SNDRV_DEV_CMD_PRE,
+ SNDRV_DEV_CMD_NORMAL,
+ SNDRV_DEV_CMD_POST,
+};
struct snd_device;
@@ -86,8 +89,8 @@
struct snd_device {
struct list_head list; /* list of registered devices */
struct snd_card *card; /* card which holds this device */
- snd_device_state_t state; /* state of the device */
- snd_device_type_t type; /* device type */
+ enum snd_device_state state; /* state of the device */
+ enum snd_device_type type; /* device type */
void *device_data; /* device structure */
struct snd_device_ops *ops; /* operations */
};
@@ -311,14 +314,14 @@
/* device.c */
-int snd_device_new(struct snd_card *card, snd_device_type_t type,
+int snd_device_new(struct snd_card *card, enum snd_device_type type,
void *device_data, struct snd_device_ops *ops);
int snd_device_register(struct snd_card *card, void *device_data);
int snd_device_register_all(struct snd_card *card);
int snd_device_disconnect(struct snd_card *card, void *device_data);
int snd_device_disconnect_all(struct snd_card *card);
int snd_device_free(struct snd_card *card, void *device_data);
-int snd_device_free_all(struct snd_card *card, snd_device_cmd_t cmd);
+int snd_device_free_all(struct snd_card *card, enum snd_device_cmd cmd);
/* isadma.c */
diff --git a/sound/aoa/aoa.h b/sound/aoa/aoa.h
index e087894..34c668f 100644
--- a/sound/aoa/aoa.h
+++ b/sound/aoa/aoa.h
@@ -116,7 +116,7 @@
struct snd_card *alsa_card;
};
-extern int aoa_snd_device_new(snd_device_type_t type,
+extern int aoa_snd_device_new(enum snd_device_type type,
void * device_data, struct snd_device_ops * ops);
extern struct snd_card *aoa_get_card(void);
extern int aoa_snd_ctl_add(struct snd_kcontrol* control);
diff --git a/sound/aoa/core/alsa.c b/sound/aoa/core/alsa.c
index 9913bf2..4a7e4e6 100644
--- a/sound/aoa/core/alsa.c
+++ b/sound/aoa/core/alsa.c
@@ -59,7 +59,7 @@
}
}
-int aoa_snd_device_new(snd_device_type_t type,
+int aoa_snd_device_new(enum snd_device_type type,
void * device_data, struct snd_device_ops * ops)
{
struct snd_card *card = aoa_get_card();
diff --git a/sound/core/device.c b/sound/core/device.c
index ad9869d..856bfdc 100644
--- a/sound/core/device.c
+++ b/sound/core/device.c
@@ -41,7 +41,7 @@
*
* Return: Zero if successful, or a negative error code on failure.
*/
-int snd_device_new(struct snd_card *card, snd_device_type_t type,
+int snd_device_new(struct snd_card *card, enum snd_device_type type,
void *device_data, struct snd_device_ops *ops)
{
struct snd_device *dev;
@@ -223,7 +223,7 @@
* release all the devices on the card.
* called from init.c
*/
-int snd_device_free_all(struct snd_card *card, snd_device_cmd_t cmd)
+int snd_device_free_all(struct snd_card *card, enum snd_device_cmd cmd)
{
struct snd_device *dev;
int err;
@@ -231,11 +231,11 @@
if (snd_BUG_ON(!card))
return -ENXIO;
- range_low = (__force unsigned int)cmd * SNDRV_DEV_TYPE_RANGE_SIZE;
+ range_low = (unsigned int)cmd * SNDRV_DEV_TYPE_RANGE_SIZE;
range_high = range_low + SNDRV_DEV_TYPE_RANGE_SIZE - 1;
__again:
list_for_each_entry(dev, &card->devices, list) {
- type = (__force unsigned int)dev->type;
+ type = (unsigned int)dev->type;
if (type >= range_low && type <= range_high) {
if ((err = snd_device_free(card, dev->device_data)) < 0)
return err;