diff options
Diffstat (limited to 'sound/i2c')
| -rw-r--r-- | sound/i2c/other/ak4114.c | 95 |
1 files changed, 62 insertions, 33 deletions
diff --git a/sound/i2c/other/ak4114.c b/sound/i2c/other/ak4114.c index adbfd5884d06..8f7c42c036eb 100644 --- a/sound/i2c/other/ak4114.c +++ b/sound/i2c/other/ak4114.c @@ -36,6 +36,7 @@ MODULE_LICENSE("GPL"); #define AK4114_ADDR 0x00 /* fixed address */ static void ak4114_stats(struct work_struct *work); +static void ak4114_init_regs(struct ak4114 *chip); static void reg_write(struct ak4114 *ak4114, unsigned char reg, unsigned char val) { @@ -105,7 +106,7 @@ int snd_ak4114_create(struct snd_card *card, for (reg = 0; reg < 5; reg++) chip->txcsb[reg] = txcsb[reg]; - snd_ak4114_reinit(chip); + ak4114_init_regs(chip); chip->rcs0 = reg_read(chip, AK4114_REG_RCS0) & ~(AK4114_QINT | AK4114_CINT); chip->rcs1 = reg_read(chip, AK4114_REG_RCS1); @@ -131,13 +132,10 @@ void snd_ak4114_reg_write(struct ak4114 *chip, unsigned char reg, unsigned char (chip->txcsb[reg-AK4114_REG_TXCSB0] & ~mask) | val); } -void snd_ak4114_reinit(struct ak4114 *chip) +static void ak4114_init_regs(struct ak4114 *chip) { unsigned char old = chip->regmap[AK4114_REG_PWRDN], reg; - chip->init = 1; - mb(); - flush_scheduled_work(); /* bring the chip to reset state and powerdown state */ reg_write(chip, AK4114_REG_PWRDN, old & ~(AK4114_RST|AK4114_PWN)); udelay(200); @@ -150,9 +148,18 @@ void snd_ak4114_reinit(struct ak4114 *chip) reg_write(chip, reg + AK4114_REG_TXCSB0, chip->txcsb[reg]); /* release powerdown, everything is initialized now */ reg_write(chip, AK4114_REG_PWRDN, old | AK4114_RST | AK4114_PWN); +} + +void snd_ak4114_reinit(struct ak4114 *chip) +{ + chip->init = 1; + mb(); + flush_scheduled_work(); + ak4114_init_regs(chip); /* bring up statistics / event queing */ chip->init = 0; - schedule_delayed_work(&chip->work, HZ / 10); + if (chip->kctls[0]) + schedule_delayed_work(&chip->work, HZ / 10); } static unsigned int external_rate(unsigned char rcs1) @@ -472,9 +479,55 @@ int snd_ak4114_build(struct ak4114 *ak4114, return err; ak4114->kctls[idx] = kctl; } + /* trigger workq */ + schedule_delayed_work(&ak4114->work, HZ / 10); return 0; } +/* notify kcontrols if any parameters are changed */ +static void ak4114_notify(struct ak4114 *ak4114, + unsigned char rcs0, unsigned char rcs1, + unsigned char c0, unsigned char c1) +{ + if (!ak4114->kctls[0]) + return; + + if (rcs0 & AK4114_PAR) + snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, + &ak4114->kctls[0]->id); + if (rcs0 & AK4114_V) + snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, + &ak4114->kctls[1]->id); + if (rcs1 & AK4114_CCRC) + snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, + &ak4114->kctls[2]->id); + if (rcs1 & AK4114_QCRC) + snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, + &ak4114->kctls[3]->id); + + /* rate change */ + if (c1 & 0xf0) + snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, + &ak4114->kctls[4]->id); + + if ((c0 & AK4114_PEM) | (c0 & AK4114_CINT)) + snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, + &ak4114->kctls[9]->id); + if (c0 & AK4114_QINT) + snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, + &ak4114->kctls[10]->id); + + if (c0 & AK4114_AUDION) + snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, + &ak4114->kctls[11]->id); + if (c0 & AK4114_AUTO) + snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, + &ak4114->kctls[12]->id); + if (c0 & AK4114_DTSCD) + snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, + &ak4114->kctls[13]->id); +} + int snd_ak4114_external_rate(struct ak4114 *ak4114) { unsigned char rcs1; @@ -511,31 +564,7 @@ int snd_ak4114_check_rate_and_errors(struct ak4114 *ak4114, unsigned int flags) ak4114->rcs1 = rcs1; spin_unlock_irqrestore(&ak4114->lock, _flags); - if (rcs0 & AK4114_PAR) - snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, &ak4114->kctls[0]->id); - if (rcs0 & AK4114_V) - snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, &ak4114->kctls[1]->id); - if (rcs1 & AK4114_CCRC) - snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, &ak4114->kctls[2]->id); - if (rcs1 & AK4114_QCRC) - snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, &ak4114->kctls[3]->id); - - /* rate change */ - if (c1 & 0xf0) - snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, &ak4114->kctls[4]->id); - - if ((c0 & AK4114_PEM) | (c0 & AK4114_CINT)) - snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, &ak4114->kctls[9]->id); - if (c0 & AK4114_QINT) - snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, &ak4114->kctls[10]->id); - - if (c0 & AK4114_AUDION) - snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, &ak4114->kctls[11]->id); - if (c0 & AK4114_AUTO) - snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, &ak4114->kctls[12]->id); - if (c0 & AK4114_DTSCD) - snd_ctl_notify(ak4114->card, SNDRV_CTL_EVENT_MASK_VALUE, &ak4114->kctls[13]->id); - + ak4114_notify(ak4114, rcs0, rcs1, c0, c1); if (ak4114->change_callback && (c0 | c1) != 0) ak4114->change_callback(ak4114, c0, c1); @@ -559,8 +588,8 @@ static void ak4114_stats(struct work_struct *work) struct ak4114 *chip = container_of(work, struct ak4114, work.work); if (chip->init) - return; - snd_ak4114_check_rate_and_errors(chip, 0); + snd_ak4114_check_rate_and_errors(chip, 0); + schedule_delayed_work(&chip->work, HZ / 10); } |