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ALSA: Drop __bitwise and typedefs for snd_device attributes

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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>
This commit is contained in:
Takashi Iwai 2014-01-29 15:13:33 +01:00
parent 483eb06276
commit 9ce5054363
4 changed files with 37 additions and 34 deletions
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59
include/sound/core.h
View File

@ -48,32 +48,35 @@ struct completion;
#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_ops {
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 @@ int snd_card_file_remove(struct snd_card *card, struct file *file);
/* 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 */

2
sound/aoa/aoa.h
View File

@ -116,7 +116,7 @@ struct aoa_card {
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);

2
sound/aoa/core/alsa.c
View File

@ -59,7 +59,7 @@ void aoa_alsa_cleanup(void)
}
}
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();

8
sound/core/device.c
View File

@ -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 @@ int snd_device_disconnect_all(struct snd_card *card)
* 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 @@ int snd_device_free_all(struct snd_card *card, snd_device_cmd_t cmd)
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;