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Merge branch 'topic/ak411x-fix' into for-next

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This commit is contained in:
Takashi Iwai 2015-01-28 22:32:10 +01:00
commit d832f3dcb6
5 changed files with 82 additions and 28 deletions
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11
include/sound/ak4113.h
View File

@ -286,7 +286,8 @@ struct ak4113 {
ak4113_write_t *write;
ak4113_read_t *read;
void *private_data;
unsigned int init:1;
atomic_t wq_processing;
struct mutex reinit_mutex;
spinlock_t lock;
unsigned char regmap[AK4113_WRITABLE_REGS];
struct snd_kcontrol *kctls[AK4113_CONTROLS];
@ -317,5 +318,13 @@ int snd_ak4113_build(struct ak4113 *ak4113,
int snd_ak4113_external_rate(struct ak4113 *ak4113);
int snd_ak4113_check_rate_and_errors(struct ak4113 *ak4113, unsigned int flags);
#ifdef CONFIG_PM
void snd_ak4113_suspend(struct ak4113 *chip);
void snd_ak4113_resume(struct ak4113 *chip);
#else
static inline void snd_ak4113_suspend(struct ak4113 *chip) {}
static inline void snd_ak4113_resume(struct ak4113 *chip) {}
#endif
#endif /* __SOUND_AK4113_H */

11
include/sound/ak4114.h
View File

@ -168,7 +168,8 @@ struct ak4114 {
ak4114_write_t * write;
ak4114_read_t * read;
void * private_data;
unsigned int init: 1;
atomic_t wq_processing;
struct mutex reinit_mutex;
spinlock_t lock;
unsigned char regmap[6];
unsigned char txcsb[5];
@ -199,5 +200,13 @@ int snd_ak4114_build(struct ak4114 *ak4114,
int snd_ak4114_external_rate(struct ak4114 *ak4114);
int snd_ak4114_check_rate_and_errors(struct ak4114 *ak4114, unsigned int flags);
#ifdef CONFIG_PM
void snd_ak4114_suspend(struct ak4114 *chip);
void snd_ak4114_resume(struct ak4114 *chip);
#else
static inline void snd_ak4114_suspend(struct ak4114 *chip) {}
static inline void snd_ak4114_resume(struct ak4114 *chip) {}
#endif
#endif /* __SOUND_AK4114_H */

36
sound/i2c/other/ak4113.c
View File

@ -56,8 +56,7 @@ static inline unsigned char reg_read(struct ak4113 *ak4113, unsigned char reg)
static void snd_ak4113_free(struct ak4113 *chip)
{
chip->init = 1; /* don't schedule new work */
mb();
atomic_inc(&chip->wq_processing); /* don't schedule new work */
cancel_delayed_work_sync(&chip->work);
kfree(chip);
}
@ -89,6 +88,8 @@ int snd_ak4113_create(struct snd_card *card, ak4113_read_t *read,
chip->write = write;
chip->private_data = private_data;
INIT_DELAYED_WORK(&chip->work, ak4113_stats);
atomic_set(&chip->wq_processing, 0);
mutex_init(&chip->reinit_mutex);
for (reg = 0; reg < AK4113_WRITABLE_REGS ; reg++)
chip->regmap[reg] = pgm[reg];
@ -139,13 +140,13 @@ static void ak4113_init_regs(struct ak4113 *chip)
void snd_ak4113_reinit(struct ak4113 *chip)
{
chip->init = 1;
mb();
flush_delayed_work(&chip->work);
if (atomic_inc_return(&chip->wq_processing) == 1)
cancel_delayed_work_sync(&chip->work);
mutex_lock(&chip->reinit_mutex);
ak4113_init_regs(chip);
mutex_unlock(&chip->reinit_mutex);
/* bring up statistics / event queing */
chip->init = 0;
if (chip->kctls[0])
if (atomic_dec_and_test(&chip->wq_processing))
schedule_delayed_work(&chip->work, HZ / 10);
}
EXPORT_SYMBOL_GPL(snd_ak4113_reinit);
@ -632,8 +633,25 @@ static void ak4113_stats(struct work_struct *work)
{
struct ak4113 *chip = container_of(work, struct ak4113, work.work);
if (!chip->init)
if (atomic_inc_return(&chip->wq_processing) == 1)
snd_ak4113_check_rate_and_errors(chip, chip->check_flags);
schedule_delayed_work(&chip->work, HZ / 10);
if (atomic_dec_and_test(&chip->wq_processing))
schedule_delayed_work(&chip->work, HZ / 10);
}
#ifdef CONFIG_PM
void snd_ak4113_suspend(struct ak4113 *chip)
{
atomic_inc(&chip->wq_processing); /* don't schedule new work */
cancel_delayed_work_sync(&chip->work);
}
EXPORT_SYMBOL(snd_ak4113_suspend);
void snd_ak4113_resume(struct ak4113 *chip)
{
atomic_dec(&chip->wq_processing);
snd_ak4113_reinit(chip);
}
EXPORT_SYMBOL(snd_ak4113_resume);
#endif

48
sound/i2c/other/ak4114.c
View File

@ -66,8 +66,7 @@ static void reg_dump(struct ak4114 *ak4114)
static void snd_ak4114_free(struct ak4114 *chip)
{
chip->init = 1; /* don't schedule new work */
mb();
atomic_inc(&chip->wq_processing); /* don't schedule new work */
cancel_delayed_work_sync(&chip->work);
kfree(chip);
}
@ -100,6 +99,8 @@ int snd_ak4114_create(struct snd_card *card,
chip->write = write;
chip->private_data = private_data;
INIT_DELAYED_WORK(&chip->work, ak4114_stats);
atomic_set(&chip->wq_processing, 0);
mutex_init(&chip->reinit_mutex);
for (reg = 0; reg < 6; reg++)
chip->regmap[reg] = pgm[reg];
@ -122,6 +123,7 @@ int snd_ak4114_create(struct snd_card *card,
snd_ak4114_free(chip);
return err < 0 ? err : -EIO;
}
EXPORT_SYMBOL(snd_ak4114_create);
void snd_ak4114_reg_write(struct ak4114 *chip, unsigned char reg, unsigned char mask, unsigned char val)
{
@ -131,6 +133,7 @@ void snd_ak4114_reg_write(struct ak4114 *chip, unsigned char reg, unsigned char
reg_write(chip, reg,
(chip->txcsb[reg-AK4114_REG_TXCSB0] & ~mask) | val);
}
EXPORT_SYMBOL(snd_ak4114_reg_write);
static void ak4114_init_regs(struct ak4114 *chip)
{
@ -152,15 +155,16 @@ static void ak4114_init_regs(struct ak4114 *chip)
void snd_ak4114_reinit(struct ak4114 *chip)
{
chip->init = 1;
mb();
flush_delayed_work(&chip->work);
if (atomic_inc_return(&chip->wq_processing) == 1)
cancel_delayed_work_sync(&chip->work);
mutex_lock(&chip->reinit_mutex);
ak4114_init_regs(chip);
mutex_unlock(&chip->reinit_mutex);
/* bring up statistics / event queing */
chip->init = 0;
if (chip->kctls[0])
if (atomic_dec_and_test(&chip->wq_processing))
schedule_delayed_work(&chip->work, HZ / 10);
}
EXPORT_SYMBOL(snd_ak4114_reinit);
static unsigned int external_rate(unsigned char rcs1)
{
@ -505,6 +509,7 @@ int snd_ak4114_build(struct ak4114 *ak4114,
schedule_delayed_work(&ak4114->work, HZ / 10);
return 0;
}
EXPORT_SYMBOL(snd_ak4114_build);
/* notify kcontrols if any parameters are changed */
static void ak4114_notify(struct ak4114 *ak4114,
@ -560,6 +565,7 @@ int snd_ak4114_external_rate(struct ak4114 *ak4114)
rcs1 = reg_read(ak4114, AK4114_REG_RCS1);
return external_rate(rcs1);
}
EXPORT_SYMBOL(snd_ak4114_external_rate);
int snd_ak4114_check_rate_and_errors(struct ak4114 *ak4114, unsigned int flags)
{
@ -607,20 +613,30 @@ int snd_ak4114_check_rate_and_errors(struct ak4114 *ak4114, unsigned int flags)
}
return res;
}
EXPORT_SYMBOL(snd_ak4114_check_rate_and_errors);
static void ak4114_stats(struct work_struct *work)
{
struct ak4114 *chip = container_of(work, struct ak4114, work.work);
if (!chip->init)
if (atomic_inc_return(&chip->wq_processing) == 1)
snd_ak4114_check_rate_and_errors(chip, chip->check_flags);
schedule_delayed_work(&chip->work, HZ / 10);
if (atomic_dec_and_test(&chip->wq_processing))
schedule_delayed_work(&chip->work, HZ / 10);
}
EXPORT_SYMBOL(snd_ak4114_create);
EXPORT_SYMBOL(snd_ak4114_reg_write);
EXPORT_SYMBOL(snd_ak4114_reinit);
EXPORT_SYMBOL(snd_ak4114_build);
EXPORT_SYMBOL(snd_ak4114_external_rate);
EXPORT_SYMBOL(snd_ak4114_check_rate_and_errors);
#ifdef CONFIG_PM
void snd_ak4114_suspend(struct ak4114 *chip)
{
atomic_inc(&chip->wq_processing); /* don't schedule new work */
cancel_delayed_work_sync(&chip->work);
}
EXPORT_SYMBOL(snd_ak4114_suspend);
void snd_ak4114_resume(struct ak4114 *chip)
{
atomic_dec(&chip->wq_processing);
snd_ak4114_reinit(chip);
}
EXPORT_SYMBOL(snd_ak4114_resume);
#endif

4
sound/pci/ice1712/juli.c
View File

@ -491,15 +491,17 @@ static int juli_resume(struct snd_ice1712 *ice)
/* akm4358 un-reset, un-mute */
snd_akm4xxx_reset(ak, 0);
/* reinit ak4114 */
snd_ak4114_reinit(spec->ak4114);
snd_ak4114_resume(spec->ak4114);
return 0;
}
static int juli_suspend(struct snd_ice1712 *ice)
{
struct snd_akm4xxx *ak = ice->akm;
struct juli_spec *spec = ice->spec;
/* akm4358 reset and soft-mute */
snd_akm4xxx_reset(ak, 1);
snd_ak4114_suspend(spec->ak4114);
return 0;
}
#endif