diff options
Diffstat (limited to 'sound/soc/codecs/wm5100.c')
| -rw-r--r-- | sound/soc/codecs/wm5100.c | 415 |
1 files changed, 223 insertions, 192 deletions
diff --git a/sound/soc/codecs/wm5100.c b/sound/soc/codecs/wm5100.c index 42d9039a49e..8b24323d6b2 100644 --- a/sound/soc/codecs/wm5100.c +++ b/sound/soc/codecs/wm5100.c @@ -18,7 +18,6 @@ #include <linux/gcd.h> #include <linux/gpio.h> #include <linux/i2c.h> -#include <linux/platform_device.h> #include <linux/regulator/consumer.h> #include <linux/regulator/fixed.h> #include <linux/slab.h> @@ -51,6 +50,7 @@ struct wm5100_fll { /* codec private data */ struct wm5100_priv { + struct regmap *regmap; struct snd_soc_codec *codec; struct regulator_bulk_data core_supplies[WM5100_NUM_CORE_SUPPLIES]; @@ -204,17 +204,15 @@ static void wm5100_free_sr(struct snd_soc_codec *codec, int rate) } } -static int wm5100_reset(struct snd_soc_codec *codec) +static int wm5100_reset(struct wm5100_priv *wm5100) { - struct wm5100_priv *wm5100 = snd_soc_codec_get_drvdata(codec); - if (wm5100->pdata.reset) { gpio_set_value_cansleep(wm5100->pdata.reset, 0); gpio_set_value_cansleep(wm5100->pdata.reset, 1); return 0; } else { - return snd_soc_write(codec, WM5100_SOFTWARE_RESET, 0); + return regmap_write(wm5100->regmap, WM5100_SOFTWARE_RESET, 0); } } @@ -954,7 +952,7 @@ SND_SOC_DAPM_INPUT("IN3L"), SND_SOC_DAPM_INPUT("IN3R"), SND_SOC_DAPM_INPUT("IN4L"), SND_SOC_DAPM_INPUT("IN4R"), -SND_SOC_DAPM_INPUT("TONE"), +SND_SOC_DAPM_SIGGEN("TONE"), SND_SOC_DAPM_PGA_E("IN1L PGA", WM5100_INPUT_ENABLES, WM5100_IN1L_ENA_SHIFT, 0, NULL, 0, wm5100_out_ev, SND_SOC_DAPM_POST_PMU), @@ -1375,7 +1373,7 @@ static int wm5100_set_bias_level(struct snd_soc_codec *codec, msleep(2); } - codec->cache_only = false; + regcache_cache_only(wm5100->regmap, false); switch (wm5100->rev) { case 0: @@ -1399,7 +1397,7 @@ static int wm5100_set_bias_level(struct snd_soc_codec *codec, break; } - snd_soc_cache_sync(codec); + regcache_sync(wm5100->regmap); } break; @@ -1662,7 +1660,7 @@ static int wm5100_hw_params(struct snd_pcm_substream *substream, return 0; } -static struct snd_soc_dai_ops wm5100_dai_ops = { +static const struct snd_soc_dai_ops wm5100_dai_ops = { .set_fmt = wm5100_set_fmt, .hw_params = wm5100_hw_params, }; @@ -1993,6 +1991,9 @@ static int wm5100_set_fll(struct snd_soc_codec *codec, int fll_id, int source, else timeout = 50; + snd_soc_update_bits(codec, WM5100_CLOCKING_3, WM5100_SYSCLK_ENA, + WM5100_SYSCLK_ENA); + /* Poll for the lock; will use interrupt when we can test */ for (i = 0; i < timeout; i++) { if (i2c->irq) { @@ -2350,24 +2351,22 @@ static inline struct wm5100_priv *gpio_to_wm5100(struct gpio_chip *chip) static void wm5100_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { struct wm5100_priv *wm5100 = gpio_to_wm5100(chip); - struct snd_soc_codec *codec = wm5100->codec; - snd_soc_update_bits(codec, WM5100_GPIO_CTRL_1 + offset, - WM5100_GP1_LVL, !!value << WM5100_GP1_LVL_SHIFT); + regmap_update_bits(wm5100->regmap, WM5100_GPIO_CTRL_1 + offset, + WM5100_GP1_LVL, !!value << WM5100_GP1_LVL_SHIFT); } static int wm5100_gpio_direction_out(struct gpio_chip *chip, unsigned offset, int value) { struct wm5100_priv *wm5100 = gpio_to_wm5100(chip); - struct snd_soc_codec *codec = wm5100->codec; int val, ret; val = (1 << WM5100_GP1_FN_SHIFT) | (!!value << WM5100_GP1_LVL_SHIFT); - ret = snd_soc_update_bits(codec, WM5100_GPIO_CTRL_1 + offset, - WM5100_GP1_FN_MASK | WM5100_GP1_DIR | - WM5100_GP1_LVL, val); + ret = regmap_update_bits(wm5100->regmap, WM5100_GPIO_CTRL_1 + offset, + WM5100_GP1_FN_MASK | WM5100_GP1_DIR | + WM5100_GP1_LVL, val); if (ret < 0) return ret; else @@ -2377,25 +2376,24 @@ static int wm5100_gpio_direction_out(struct gpio_chip *chip, static int wm5100_gpio_get(struct gpio_chip *chip, unsigned offset) { struct wm5100_priv *wm5100 = gpio_to_wm5100(chip); - struct snd_soc_codec *codec = wm5100->codec; + unsigned int reg; int ret; - ret = snd_soc_read(codec, WM5100_GPIO_CTRL_1 + offset); + ret = regmap_read(wm5100->regmap, WM5100_GPIO_CTRL_1 + offset, ®); if (ret < 0) return ret; - return (ret & WM5100_GP1_LVL) != 0; + return (reg & WM5100_GP1_LVL) != 0; } static int wm5100_gpio_direction_in(struct gpio_chip *chip, unsigned offset) { struct wm5100_priv *wm5100 = gpio_to_wm5100(chip); - struct snd_soc_codec *codec = wm5100->codec; - return snd_soc_update_bits(codec, WM5100_GPIO_CTRL_1 + offset, - WM5100_GP1_FN_MASK | WM5100_GP1_DIR, - (1 << WM5100_GP1_FN_SHIFT) | - (1 << WM5100_GP1_DIR_SHIFT)); + return regmap_update_bits(wm5100->regmap, WM5100_GPIO_CTRL_1 + offset, + WM5100_GP1_FN_MASK | WM5100_GP1_DIR, + (1 << WM5100_GP1_FN_SHIFT) | + (1 << WM5100_GP1_DIR_SHIFT)); } static struct gpio_chip wm5100_template_chip = { @@ -2408,14 +2406,14 @@ static struct gpio_chip wm5100_template_chip = { .can_sleep = 1, }; -static void wm5100_init_gpio(struct snd_soc_codec *codec) +static void wm5100_init_gpio(struct i2c_client *i2c) { - struct wm5100_priv *wm5100 = snd_soc_codec_get_drvdata(codec); + struct wm5100_priv *wm5100 = i2c_get_clientdata(i2c); int ret; wm5100->gpio_chip = wm5100_template_chip; wm5100->gpio_chip.ngpio = 6; - wm5100->gpio_chip.dev = codec->dev; + wm5100->gpio_chip.dev = &i2c->dev; if (wm5100->pdata.gpio_base) wm5100->gpio_chip.base = wm5100->pdata.gpio_base; @@ -2424,24 +2422,24 @@ static void wm5100_init_gpio(struct snd_soc_codec *codec) ret = gpiochip_add(&wm5100->gpio_chip); if (ret != 0) - dev_err(codec->dev, "Failed to add GPIOs: %d\n", ret); + dev_err(&i2c->dev, "Failed to add GPIOs: %d\n", ret); } -static void wm5100_free_gpio(struct snd_soc_codec *codec) +static void wm5100_free_gpio(struct i2c_client *i2c) { - struct wm5100_priv *wm5100 = snd_soc_codec_get_drvdata(codec); + struct wm5100_priv *wm5100 = i2c_get_clientdata(i2c); int ret; ret = gpiochip_remove(&wm5100->gpio_chip); if (ret != 0) - dev_err(codec->dev, "Failed to remove GPIOs: %d\n", ret); + dev_err(&i2c->dev, "Failed to remove GPIOs: %d\n", ret); } #else -static void wm5100_init_gpio(struct snd_soc_codec *codec) +static void wm5100_init_gpio(struct i2c_client *i2c) { } -static void wm5100_free_gpio(struct snd_soc_codec *codec) +static void wm5100_free_gpio(struct i2c_client *i2c) { } #endif @@ -2453,131 +2451,21 @@ static int wm5100_probe(struct snd_soc_codec *codec) int ret, i, irq_flags; wm5100->codec = codec; + codec->control_data = wm5100->regmap; - ret = snd_soc_codec_set_cache_io(codec, 16, 16, SND_SOC_I2C); + ret = snd_soc_codec_set_cache_io(codec, 16, 16, SND_SOC_REGMAP); if (ret != 0) { dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); return ret; } - for (i = 0; i < ARRAY_SIZE(wm5100->core_supplies); i++) - wm5100->core_supplies[i].supply = wm5100_core_supply_names[i]; - - ret = regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm5100->core_supplies), - wm5100->core_supplies); - if (ret != 0) { - dev_err(codec->dev, "Failed to request core supplies: %d\n", - ret); - return ret; - } - - wm5100->cpvdd = regulator_get(&i2c->dev, "CPVDD"); - if (IS_ERR(wm5100->cpvdd)) { - ret = PTR_ERR(wm5100->cpvdd); - dev_err(&i2c->dev, "Failed to get CPVDD: %d\n", ret); - goto err_core; - } - - wm5100->dbvdd2 = regulator_get(&i2c->dev, "DBVDD2"); - if (IS_ERR(wm5100->dbvdd2)) { - ret = PTR_ERR(wm5100->dbvdd2); - dev_err(&i2c->dev, "Failed to get DBVDD2: %d\n", ret); - goto err_cpvdd; - } + regcache_cache_only(wm5100->regmap, true); - wm5100->dbvdd3 = regulator_get(&i2c->dev, "DBVDD3"); - if (IS_ERR(wm5100->dbvdd3)) { - ret = PTR_ERR(wm5100->dbvdd3); - dev_err(&i2c->dev, "Failed to get DBVDD2: %d\n", ret); - goto err_dbvdd2; - } - - ret = regulator_bulk_enable(ARRAY_SIZE(wm5100->core_supplies), - wm5100->core_supplies); - if (ret != 0) { - dev_err(codec->dev, "Failed to enable core supplies: %d\n", - ret); - goto err_dbvdd3; - } - - if (wm5100->pdata.ldo_ena) { - ret = gpio_request_one(wm5100->pdata.ldo_ena, - GPIOF_OUT_INIT_HIGH, "WM5100 LDOENA"); - if (ret < 0) { - dev_err(&i2c->dev, "Failed to request LDOENA %d: %d\n", - wm5100->pdata.ldo_ena, ret); - goto err_enable; - } - msleep(2); - } - - if (wm5100->pdata.reset) { - ret = gpio_request_one(wm5100->pdata.reset, - GPIOF_OUT_INIT_HIGH, "WM5100 /RESET"); - if (ret < 0) { - dev_err(&i2c->dev, "Failed to request /RESET %d: %d\n", - wm5100->pdata.reset, ret); - goto err_ldo; - } - } - - ret = snd_soc_read(codec, WM5100_SOFTWARE_RESET); - if (ret < 0) { - dev_err(codec->dev, "Failed to read ID register\n"); - goto err_reset; - } - switch (ret) { - case 0x8997: - case 0x5100: - break; - - default: - dev_err(codec->dev, "Device is not a WM5100, ID is %x\n", ret); - ret = -EINVAL; - goto err_reset; - } - - ret = snd_soc_read(codec, WM5100_DEVICE_REVISION); - if (ret < 0) { - dev_err(codec->dev, "Failed to read revision register\n"); - goto err_reset; - } - wm5100->rev = ret & WM5100_DEVICE_REVISION_MASK; - - dev_info(codec->dev, "revision %c\n", wm5100->rev + 'A'); - - ret = wm5100_reset(codec); - if (ret < 0) { - dev_err(codec->dev, "Failed to issue reset\n"); - goto err_reset; - } - - codec->cache_only = true; - - wm5100_init_gpio(codec); for (i = 0; i < ARRAY_SIZE(wm5100_dig_vu); i++) snd_soc_update_bits(codec, wm5100_dig_vu[i], WM5100_OUT_VU, WM5100_OUT_VU); - for (i = 0; i < ARRAY_SIZE(wm5100->pdata.in_mode); i++) { - snd_soc_update_bits(codec, WM5100_IN1L_CONTROL, - WM5100_IN1_MODE_MASK | - WM5100_IN1_DMIC_SUP_MASK, - (wm5100->pdata.in_mode[i] << - WM5100_IN1_MODE_SHIFT) | - (wm5100->pdata.dmic_sup[i] << - WM5100_IN1_DMIC_SUP_SHIFT)); - } - - for (i = 0; i < ARRAY_SIZE(wm5100->pdata.gpio_defaults); i++) { - if (!wm5100->pdata.gpio_defaults[i]) - continue; - - snd_soc_write(codec, WM5100_GPIO_CTRL_1 + i, - wm5100->pdata.gpio_defaults[i]); - } - /* Don't debounce interrupts to support use of SYSCLK only */ snd_soc_write(codec, WM5100_IRQ_DEBOUNCE_1, 0); snd_soc_write(codec, WM5100_IRQ_DEBOUNCE_2, 0); @@ -2662,29 +2550,6 @@ static int wm5100_probe(struct snd_soc_codec *codec) err_gpio: if (i2c->irq) free_irq(i2c->irq, codec); - wm5100_free_gpio(codec); -err_reset: - if (wm5100->pdata.reset) { - gpio_set_value_cansleep(wm5100->pdata.reset, 1); - gpio_free(wm5100->pdata.reset); - } -err_ldo: - if (wm5100->pdata.ldo_ena) { - gpio_set_value_cansleep(wm5100->pdata.ldo_ena, 0); - gpio_free(wm5100->pdata.ldo_ena); - } -err_enable: - regulator_bulk_disable(ARRAY_SIZE(wm5100->core_supplies), - wm5100->core_supplies); -err_dbvdd3: - regulator_put(wm5100->dbvdd3); -err_dbvdd2: - regulator_put(wm5100->dbvdd2); -err_cpvdd: - regulator_put(wm5100->cpvdd); -err_core: - regulator_bulk_free(ARRAY_SIZE(wm5100->core_supplies), - wm5100->core_supplies); return ret; } @@ -2700,23 +2565,16 @@ static int wm5100_remove(struct snd_soc_codec *codec) } if (i2c->irq) free_irq(i2c->irq, codec); - wm5100_free_gpio(codec); - if (wm5100->pdata.reset) { - gpio_set_value_cansleep(wm5100->pdata.reset, 1); - gpio_free(wm5100->pdata.reset); - } - if (wm5100->pdata.ldo_ena) { - gpio_set_value_cansleep(wm5100->pdata.ldo_ena, 0); - gpio_free(wm5100->pdata.ldo_ena); - } - regulator_put(wm5100->dbvdd3); - regulator_put(wm5100->dbvdd2); - regulator_put(wm5100->cpvdd); - regulator_bulk_free(ARRAY_SIZE(wm5100->core_supplies), - wm5100->core_supplies); return 0; } +static int wm5100_soc_volatile(struct snd_soc_codec *codec, + unsigned int reg) +{ + return true; +} + + static struct snd_soc_codec_driver soc_codec_dev_wm5100 = { .probe = wm5100_probe, .remove = wm5100_remove, @@ -2725,6 +2583,8 @@ static struct snd_soc_codec_driver soc_codec_dev_wm5100 = { .set_pll = wm5100_set_fll, .set_bias_level = wm5100_set_bias_level, .idle_bias_off = 1, + .reg_cache_size = WM5100_MAX_REGISTER, + .volatile_register = wm5100_soc_volatile, .seq_notifier = wm5100_seq_notifier, .controls = wm5100_snd_controls, @@ -2733,14 +2593,18 @@ static struct snd_soc_codec_driver soc_codec_dev_wm5100 = { .num_dapm_widgets = ARRAY_SIZE(wm5100_dapm_widgets), .dapm_routes = wm5100_dapm_routes, .num_dapm_routes = ARRAY_SIZE(wm5100_dapm_routes), +}; - .reg_cache_size = ARRAY_SIZE(wm5100_reg_defaults), - .reg_word_size = sizeof(u16), - .compress_type = SND_SOC_RBTREE_COMPRESSION, - .reg_cache_default = wm5100_reg_defaults, +static const struct regmap_config wm5100_regmap = { + .reg_bits = 16, + .val_bits = 16, - .volatile_register = wm5100_volatile_register, - .readable_register = wm5100_readable_register, + .max_register = WM5100_MAX_REGISTER, + .reg_defaults = wm5100_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(wm5100_reg_defaults), + .volatile_reg = wm5100_volatile_register, + .readable_reg = wm5100_readable_register, + .cache_type = REGCACHE_RBTREE, }; static __devinit int wm5100_i2c_probe(struct i2c_client *i2c, @@ -2748,12 +2612,22 @@ static __devinit int wm5100_i2c_probe(struct i2c_client *i2c, { struct wm5100_pdata *pdata = dev_get_platdata(&i2c->dev); struct wm5100_priv *wm5100; + unsigned int reg; int ret, i; - wm5100 = kzalloc(sizeof(struct wm5100_priv), GFP_KERNEL); + wm5100 = devm_kzalloc(&i2c->dev, sizeof(struct wm5100_priv), + GFP_KERNEL); if (wm5100 == NULL) return -ENOMEM; + wm5100->regmap = regmap_init_i2c(i2c, &wm5100_regmap); + if (IS_ERR(wm5100->regmap)) { + ret = PTR_ERR(wm5100->regmap); + dev_err(&i2c->dev, "Failed to allocate register map: %d\n", + ret); + goto err; + } + for (i = 0; i < ARRAY_SIZE(wm5100->fll); i++) init_completion(&wm5100->fll[i].lock); @@ -2762,21 +2636,178 @@ static __devinit int wm5100_i2c_probe(struct i2c_client *i2c, i2c_set_clientdata(i2c, wm5100); + for (i = 0; i < ARRAY_SIZE(wm5100->core_supplies); i++) + wm5100->core_supplies[i].supply = wm5100_core_supply_names[i]; + + ret = regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm5100->core_supplies), + wm5100->core_supplies); + if (ret != 0) { + dev_err(&i2c->dev, "Failed to request core supplies: %d\n", + ret); + goto err_regmap; + } + + wm5100->cpvdd = regulator_get(&i2c->dev, "CPVDD"); + if (IS_ERR(wm5100->cpvdd)) { + ret = PTR_ERR(wm5100->cpvdd); + dev_err(&i2c->dev, "Failed to get CPVDD: %d\n", ret); + goto err_core; + } + + wm5100->dbvdd2 = regulator_get(&i2c->dev, "DBVDD2"); + if (IS_ERR(wm5100->dbvdd2)) { + ret = PTR_ERR(wm5100->dbvdd2); + dev_err(&i2c->dev, "Failed to get DBVDD2: %d\n", ret); + goto err_cpvdd; + } + + wm5100->dbvdd3 = regulator_get(&i2c->dev, "DBVDD3"); + if (IS_ERR(wm5100->dbvdd3)) { + ret = PTR_ERR(wm5100->dbvdd3); + dev_err(&i2c->dev, "Failed to get DBVDD2: %d\n", ret); + goto err_dbvdd2; + } + + ret = regulator_bulk_enable(ARRAY_SIZE(wm5100->core_supplies), + wm5100->core_supplies); + if (ret != 0) { + dev_err(&i2c->dev, "Failed to enable core supplies: %d\n", + ret); + goto err_dbvdd3; + } + + if (wm5100->pdata.ldo_ena) { + ret = gpio_request_one(wm5100->pdata.ldo_ena, + GPIOF_OUT_INIT_HIGH, "WM5100 LDOENA"); + if (ret < 0) { + dev_err(&i2c->dev, "Failed to request LDOENA %d: %d\n", + wm5100->pdata.ldo_ena, ret); + goto err_enable; + } + msleep(2); + } + + if (wm5100->pdata.reset) { + ret = gpio_request_one(wm5100->pdata.reset, + GPIOF_OUT_INIT_HIGH, "WM5100 /RESET"); + if (ret < 0) { + dev_err(&i2c->dev, "Failed to request /RESET %d: %d\n", + wm5100->pdata.reset, ret); + goto err_ldo; + } + } + + ret = regmap_read(wm5100->regmap, WM5100_SOFTWARE_RESET, ®); + if (ret < 0) { + dev_err(&i2c->dev, "Failed to read ID register\n"); + goto err_reset; + } + switch (reg) { + case 0x8997: + case 0x5100: + break; + + default: + dev_err(&i2c->dev, "Device is not a WM5100, ID is %x\n", reg); + ret = -EINVAL; + goto err_reset; + } + + ret = regmap_read(wm5100->regmap, WM5100_DEVICE_REVISION, ®); + if (ret < 0) { + dev_err(&i2c->dev, "Failed to read revision register\n"); + goto err_reset; + } + wm5100->rev = reg & WM5100_DEVICE_REVISION_MASK; + + dev_info(&i2c->dev, "revision %c\n", wm5100->rev + 'A'); + + ret = wm5100_reset(wm5100); + if (ret < 0) { + dev_err(&i2c->dev, "Failed to issue reset\n"); + goto err_reset; + } + + wm5100_init_gpio(i2c); + + for (i = 0; i < ARRAY_SIZE(wm5100->pdata.gpio_defaults); i++) { + if (!wm5100->pdata.gpio_defaults[i]) + continue; + + regmap_write(wm5100->regmap, WM5100_GPIO_CTRL_1 + i, + wm5100->pdata.gpio_defaults[i]); + } + + for (i = 0; i < ARRAY_SIZE(wm5100->pdata.in_mode); i++) { + regmap_update_bits(wm5100->regmap, WM5100_IN1L_CONTROL, + WM5100_IN1_MODE_MASK | + WM5100_IN1_DMIC_SUP_MASK, + (wm5100->pdata.in_mode[i] << + WM5100_IN1_MODE_SHIFT) | + (wm5100->pdata.dmic_sup[i] << + WM5100_IN1_DMIC_SUP_SHIFT)); + } + ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_wm5100, wm5100_dai, ARRAY_SIZE(wm5100_dai)); if (ret < 0) { dev_err(&i2c->dev, "Failed to register WM5100: %d\n", ret); - kfree(wm5100); + goto err_reset; } return ret; + +err_reset: + wm5100_free_gpio(i2c); + if (wm5100->pdata.reset) { + gpio_set_value_cansleep(wm5100->pdata.reset, 1); + gpio_free(wm5100->pdata.reset); + } +err_ldo: + if (wm5100->pdata.ldo_ena) { + gpio_set_value_cansleep(wm5100->pdata.ldo_ena, 0); + gpio_free(wm5100->pdata.ldo_ena); + } +err_enable: + regulator_bulk_disable(ARRAY_SIZE(wm5100->core_supplies), + wm5100->core_supplies); +err_dbvdd3: + regulator_put(wm5100->dbvdd3); +err_dbvdd2: + regulator_put(wm5100->dbvdd2); +err_cpvdd: + regulator_put(wm5100->cpvdd); +err_core: + regulator_bulk_free(ARRAY_SIZE(wm5100->core_supplies), + wm5100->core_supplies); +err_regmap: + regmap_exit(wm5100->regmap); +err: + return ret; } static __devexit int wm5100_i2c_remove(struct i2c_client *client) { + struct wm5100_priv *wm5100 = i2c_get_clientdata(client); + snd_soc_unregister_codec(&client->dev); - kfree(i2c_get_clientdata(client)); + wm5100_free_gpio(client); + if (wm5100->pdata.reset) { + gpio_set_value_cansleep(wm5100->pdata.reset, 1); + gpio_free(wm5100->pdata.reset); + } + if (wm5100->pdata.ldo_ena) { + gpio_set_value_cansleep(wm5100->pdata.ldo_ena, 0); + gpio_free(wm5100->pdata.ldo_ena); + } + regulator_put(wm5100->dbvdd3); + regulator_put(wm5100->dbvdd2); + regulator_put(wm5100->cpvdd); + regulator_bulk_free(ARRAY_SIZE(wm5100->core_supplies), + wm5100->core_supplies); + regmap_exit(wm5100->regmap); + return 0; } |