--- zzzz-none-000/linux-3.10.107/sound/i2c/other/ak4114.c 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/sound/i2c/other/ak4114.c 2021-02-04 17:41:59.000000000 +0000 @@ -60,7 +60,7 @@ printk(KERN_DEBUG "AK4114 REG DUMP:\n"); for (i = 0; i < 0x20; i++) - printk(KERN_DEBUG "reg[%02x] = %02x (%02x)\n", i, reg_read(ak4114, i), i < sizeof(ak4114->regmap) ? ak4114->regmap[i] : 0); + printk(KERN_DEBUG "reg[%02x] = %02x (%02x)\n", i, reg_read(ak4114, i), i < ARRAY_SIZE(ak4114->regmap) ? ak4114->regmap[i] : 0); } #endif @@ -80,7 +80,7 @@ int snd_ak4114_create(struct snd_card *card, ak4114_read_t *read, ak4114_write_t *write, - const unsigned char pgm[7], const unsigned char txcsb[5], + const unsigned char pgm[6], const unsigned char txcsb[5], void *private_data, struct ak4114 **r_ak4114) { struct ak4114 *chip; @@ -100,8 +100,9 @@ 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 < 7; reg++) + for (reg = 0; reg < 6; reg++) chip->regmap[reg] = pgm[reg]; for (reg = 0; reg < 5; reg++) chip->txcsb[reg] = txcsb[reg]; @@ -111,7 +112,7 @@ chip->rcs0 = reg_read(chip, AK4114_REG_RCS0) & ~(AK4114_QINT | AK4114_CINT); chip->rcs1 = reg_read(chip, AK4114_REG_RCS1); - if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) + if ((err = snd_device_new(card, SNDRV_DEV_CODEC, chip, &ops)) < 0) goto __fail; if (r_ak4114) @@ -122,6 +123,7 @@ 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 @@ 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) { @@ -142,7 +145,7 @@ /* release reset, but leave powerdown */ reg_write(chip, AK4114_REG_PWRDN, (old | AK4114_RST) & ~AK4114_PWN); udelay(200); - for (reg = 1; reg < 7; reg++) + for (reg = 1; reg < 6; reg++) reg_write(chip, reg, chip->regmap[reg]); for (reg = 0; reg < 5; reg++) reg_write(chip, reg + AK4114_REG_TXCSB0, chip->txcsb[reg]); @@ -154,11 +157,14 @@ { 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 */ 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) { @@ -503,6 +509,7 @@ 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, @@ -558,6 +565,7 @@ 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) { @@ -605,6 +613,7 @@ } return res; } +EXPORT_SYMBOL(snd_ak4114_check_rate_and_errors); static void ak4114_stats(struct work_struct *work) { @@ -616,9 +625,18 @@ 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