diff options
| -rw-r--r-- | Documentation/devicetree/bindings/sound/tlv320aic31xx.txt | 9 | ||||
| -rw-r--r-- | sound/soc/codecs/tlv320aic31xx.c | 125 | ||||
| -rw-r--r-- | sound/soc/codecs/tlv320aic31xx.h | 15 |
3 files changed, 76 insertions, 73 deletions
diff --git a/Documentation/devicetree/bindings/sound/tlv320aic31xx.txt b/Documentation/devicetree/bindings/sound/tlv320aic31xx.txt index 6fbba562eaa7..5b3c33bb99e5 100644 --- a/Documentation/devicetree/bindings/sound/tlv320aic31xx.txt +++ b/Documentation/devicetree/bindings/sound/tlv320aic31xx.txt @@ -22,7 +22,7 @@ Required properties: Optional properties: -- gpio-reset - gpio pin number used for codec reset +- reset-gpios - GPIO specification for the active low RESET input. - ai31xx-micbias-vg - MicBias Voltage setting 1 or MICBIAS_2_0V - MICBIAS output is powered to 2.0V 2 or MICBIAS_2_5V - MICBIAS output is powered to 2.5V @@ -30,6 +30,10 @@ Optional properties: If this node is not mentioned or if the value is unknown, then micbias is set to 2.0V. +Deprecated properties: + +- gpio-reset - gpio pin number used for codec reset + CODEC output pins: * HPL * HPR @@ -48,6 +52,7 @@ CODEC input pins: The pins can be used in referring sound node's audio-routing property. Example: +#include <dt-bindings/gpio/gpio.h> #include <dt-bindings/sound/tlv320aic31xx-micbias.h> tlv320aic31xx: tlv320aic31xx@18 { @@ -56,6 +61,8 @@ tlv320aic31xx: tlv320aic31xx@18 { ai31xx-micbias-vg = <MICBIAS_OFF>; + reset-gpios = <&gpio1 17 GPIO_ACTIVE_LOW>; + HPVDD-supply = <®ulator>; SPRVDD-supply = <®ulator>; SPLVDD-supply = <®ulator>; diff --git a/sound/soc/codecs/tlv320aic31xx.c b/sound/soc/codecs/tlv320aic31xx.c index e2862372c26e..07c014501e5e 100644 --- a/sound/soc/codecs/tlv320aic31xx.c +++ b/sound/soc/codecs/tlv320aic31xx.c @@ -1,22 +1,14 @@ +// SPDX-License-Identifier: GPL-2.0 /* - * ALSA SoC TLV320AIC31XX codec driver + * ALSA SoC TLV320AIC31xx CODEC Driver * - * Copyright (C) 2014 Texas Instruments, Inc. - * - * Author: Jyri Sarha <[email protected]> + * Copyright (C) 2014-2017 Texas Instruments Incorporated - http://www.ti.com/ + * Jyri Sarha <[email protected]> * * Based on ground work by: Ajit Kulkarni <[email protected]> * - * This package is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * THIS PACKAGE IS PROVIDED AS IS AND WITHOUT ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED - * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. - * - * The TLV320AIC31xx series of audio codec is a low-power, highly integrated - * high performance codec which provides a stereo DAC, a mono ADC, + * The TLV320AIC31xx series of audio codecs are low-power, highly integrated + * high performance codecs which provides a stereo DAC, a mono ADC, * and mono/stereo Class-D speaker driver. */ @@ -144,8 +136,7 @@ static const struct regmap_config aic31xx_i2c_regmap = { .max_register = 12 * 128, }; -#define AIC31XX_NUM_SUPPLIES 6 -static const char * const aic31xx_supply_names[AIC31XX_NUM_SUPPLIES] = { +static const char * const aic31xx_supply_names[] = { "HPVDD", "SPRVDD", "SPLVDD", @@ -154,6 +145,8 @@ static const char * const aic31xx_supply_names[AIC31XX_NUM_SUPPLIES] = { "DVDD", }; +#define AIC31XX_NUM_SUPPLIES ARRAY_SIZE(aic31xx_supply_names) + struct aic31xx_disable_nb { struct notifier_block nb; struct aic31xx_priv *aic31xx; @@ -185,7 +178,7 @@ struct aic31xx_rate_divs { u8 madc; }; -/* ADC dividers can be disabled by cofiguring them to 0 */ +/* ADC dividers can be disabled by configuring them to 0 */ static const struct aic31xx_rate_divs aic31xx_divs[] = { /* mclk/p rate pll: j d dosr ndac mdac aors nadc madc */ /* 8k rate */ @@ -840,11 +833,17 @@ static int aic31xx_setup_pll(struct snd_soc_codec *codec, dev_dbg(codec->dev, "pll %d.%04d/%d dosr %d n %d m %d aosr %d n %d m %d bclk_n %d\n", - aic31xx_divs[i].pll_j, aic31xx_divs[i].pll_d, - aic31xx->p_div, aic31xx_divs[i].dosr, - aic31xx_divs[i].ndac, aic31xx_divs[i].mdac, - aic31xx_divs[i].aosr, aic31xx_divs[i].nadc, - aic31xx_divs[i].madc, bclk_n); + aic31xx_divs[i].pll_j, + aic31xx_divs[i].pll_d, + aic31xx->p_div, + aic31xx_divs[i].dosr, + aic31xx_divs[i].ndac, + aic31xx_divs[i].mdac, + aic31xx_divs[i].aosr, + aic31xx_divs[i].nadc, + aic31xx_divs[i].madc, + bclk_n + ); return 0; } @@ -981,8 +980,9 @@ static int aic31xx_set_dai_sysclk(struct snd_soc_dai *codec_dai, dev_dbg(codec->dev, "## %s: clk_id = %d, freq = %d, dir = %d\n", __func__, clk_id, freq, dir); - for (i = 1; freq/i > 20000000 && i < 8; i++) - ; + for (i = 1; i < 8; i++) + if (freq / i <= 20000000) + break; if (freq/i > 20000000) { dev_err(aic31xx->dev, "%s: Too high mclk frequency %u\n", __func__, freq); @@ -990,9 +990,9 @@ static int aic31xx_set_dai_sysclk(struct snd_soc_dai *codec_dai, } aic31xx->p_div = i; - for (i = 0; i < ARRAY_SIZE(aic31xx_divs) && - aic31xx_divs[i].mclk_p != freq/aic31xx->p_div; i++) - ; + for (i = 0; i < ARRAY_SIZE(aic31xx_divs); i++) + if (aic31xx_divs[i].mclk_p == freq / aic31xx->p_div) + break; if (i == ARRAY_SIZE(aic31xx_divs)) { dev_err(aic31xx->dev, "%s: Unsupported frequency %d\n", __func__, freq); @@ -1004,6 +1004,7 @@ static int aic31xx_set_dai_sysclk(struct snd_soc_dai *codec_dai, clk_id << AIC31XX_PLL_CLKIN_SHIFT); aic31xx->sysclk = freq; + return 0; } @@ -1065,7 +1066,7 @@ static void aic31xx_clk_off(struct snd_soc_codec *codec) static int aic31xx_power_on(struct snd_soc_codec *codec) { struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec); - int ret = 0; + int ret; ret = regulator_bulk_enable(ARRAY_SIZE(aic31xx->supplies), aic31xx->supplies); @@ -1078,7 +1079,7 @@ static int aic31xx_power_on(struct snd_soc_codec *codec) } regcache_cache_only(aic31xx->regmap, false); ret = regcache_sync(aic31xx->regmap); - if (ret != 0) { + if (ret) { dev_err(codec->dev, "Failed to restore cache: %d\n", ret); regcache_cache_only(aic31xx->regmap, true); @@ -1086,19 +1087,17 @@ static int aic31xx_power_on(struct snd_soc_codec *codec) aic31xx->supplies); return ret; } + return 0; } -static int aic31xx_power_off(struct snd_soc_codec *codec) +static void aic31xx_power_off(struct snd_soc_codec *codec) { struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec); - int ret = 0; regcache_cache_only(aic31xx->regmap, true); - ret = regulator_bulk_disable(ARRAY_SIZE(aic31xx->supplies), - aic31xx->supplies); - - return ret; + regulator_bulk_disable(ARRAY_SIZE(aic31xx->supplies), + aic31xx->supplies); } static int aic31xx_set_bias_level(struct snd_soc_codec *codec, @@ -1137,14 +1136,11 @@ static int aic31xx_set_bias_level(struct snd_soc_codec *codec, static int aic31xx_codec_probe(struct snd_soc_codec *codec) { - int ret = 0; struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec); - int i; + int i, ret; dev_dbg(aic31xx->dev, "## %s\n", __func__); - aic31xx = snd_soc_codec_get_drvdata(codec); - aic31xx->codec = codec; for (i = 0; i < ARRAY_SIZE(aic31xx->supplies); i++) { @@ -1169,8 +1165,10 @@ static int aic31xx_codec_probe(struct snd_soc_codec *codec) return ret; ret = aic31xx_add_widgets(codec); + if (ret) + return ret; - return ret; + return 0; } static int aic31xx_codec_remove(struct snd_soc_codec *codec) @@ -1279,9 +1277,16 @@ static void aic31xx_pdata_from_of(struct aic31xx_priv *aic31xx) aic31xx->pdata.micbias_vg = MICBIAS_2_0V; } - ret = of_get_named_gpio(np, "gpio-reset", 0); - if (ret > 0) + ret = of_get_named_gpio(np, "reset-gpios", 0); + if (ret > 0) { aic31xx->pdata.gpio_reset = ret; + } else { + ret = of_get_named_gpio(np, "gpio-reset", 0); + if (ret > 0) { + dev_warn(aic31xx->dev, "Using deprecated property \"gpio-reset\", please update your DT"); + aic31xx->pdata.gpio_reset = ret; + } + } } #else /* CONFIG_OF */ static void aic31xx_pdata_from_of(struct aic31xx_priv *aic31xx) @@ -1289,6 +1294,14 @@ static void aic31xx_pdata_from_of(struct aic31xx_priv *aic31xx) } #endif /* CONFIG_OF */ +#ifdef CONFIG_ACPI +static const struct acpi_device_id aic31xx_acpi_match[] = { + { "10TI3100", 0 }, + { } +}; +MODULE_DEVICE_TABLE(acpi, aic31xx_acpi_match); +#endif + static int aic31xx_device_init(struct aic31xx_priv *aic31xx) { int ret, i; @@ -1318,10 +1331,12 @@ static int aic31xx_device_init(struct aic31xx_priv *aic31xx) ret = devm_regulator_bulk_get(aic31xx->dev, ARRAY_SIZE(aic31xx->supplies), aic31xx->supplies); - if (ret != 0) + if (ret) { dev_err(aic31xx->dev, "Failed to request supplies: %d\n", ret); + return ret; + } - return ret; + return 0; } static int aic31xx_i2c_probe(struct i2c_client *i2c, @@ -1329,18 +1344,15 @@ static int aic31xx_i2c_probe(struct i2c_client *i2c, { struct aic31xx_priv *aic31xx; int ret; - const struct regmap_config *regmap_config; dev_dbg(&i2c->dev, "## %s: %s codec_type = %d\n", __func__, id->name, (int) id->driver_data); - regmap_config = &aic31xx_i2c_regmap; - aic31xx = devm_kzalloc(&i2c->dev, sizeof(*aic31xx), GFP_KERNEL); - if (aic31xx == NULL) + if (!aic31xx) return -ENOMEM; - aic31xx->regmap = devm_regmap_init_i2c(i2c, regmap_config); + aic31xx->regmap = devm_regmap_init_i2c(i2c, &aic31xx_i2c_regmap); if (IS_ERR(aic31xx->regmap)) { ret = PTR_ERR(aic31xx->regmap); dev_err(&i2c->dev, "Failed to allocate register map: %d\n", @@ -1386,14 +1398,6 @@ static const struct i2c_device_id aic31xx_i2c_id[] = { }; MODULE_DEVICE_TABLE(i2c, aic31xx_i2c_id); -#ifdef CONFIG_ACPI -static const struct acpi_device_id aic31xx_acpi_match[] = { - { "10TI3100", 0 }, - { } -}; -MODULE_DEVICE_TABLE(acpi, aic31xx_acpi_match); -#endif - static struct i2c_driver aic31xx_i2c_driver = { .driver = { .name = "tlv320aic31xx-codec", @@ -1404,9 +1408,8 @@ static struct i2c_driver aic31xx_i2c_driver = { .remove = aic31xx_i2c_remove, .id_table = aic31xx_i2c_id, }; - module_i2c_driver(aic31xx_i2c_driver); -MODULE_DESCRIPTION("ASoC TLV320AIC3111 codec driver"); -MODULE_AUTHOR("Jyri Sarha"); -MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Jyri Sarha <[email protected]>"); +MODULE_DESCRIPTION("ASoC TLV320AIC31xx CODEC Driver"); +MODULE_LICENSE("GPL v2"); diff --git a/sound/soc/codecs/tlv320aic31xx.h b/sound/soc/codecs/tlv320aic31xx.h index 1ff3edb7bbb6..6efea0485392 100644 --- a/sound/soc/codecs/tlv320aic31xx.h +++ b/sound/soc/codecs/tlv320aic31xx.h @@ -1,17 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* - * ALSA SoC TLV320AIC31XX codec driver - * - * Copyright (C) 2013 Texas Instruments, Inc. - * - * This package is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED - * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + * ALSA SoC TLV320AIC31xx CODEC Driver Definitions * + * Copyright (C) 2014-2017 Texas Instruments Incorporated - http://www.ti.com/ */ + #ifndef _TLV320AIC31XX_H #define _TLV320AIC31XX_H |