@@ -1,7 +1,7 @@
/*
* ALSA SoC TLV320AIC31XX codec driver
*
- * Copyright (C) 2014 Texas Instruments, Inc.
+ * Copyright (C) 2014-2017 Texas Instruments Incorporated - http://www.ti.com/
*
* Author: Jyri Sarha <jsarha@ti.com>
*
@@ -144,8 +144,7 @@ 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 +153,8 @@ 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 +186,7 @@ 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 +841,17 @@ 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 +988,9 @@ 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 +998,9 @@ 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 +1012,7 @@ 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 +1074,7 @@ 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 +1087,7 @@ 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 +1095,24 @@ 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)
{
struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
- int ret = 0;
+ int ret;
regcache_cache_only(aic31xx->regmap, true);
ret = regulator_bulk_disable(ARRAY_SIZE(aic31xx->supplies),
aic31xx->supplies);
+ if (ret) {
+ dev_err(aic31xx->dev, "Failed to disable regulators\n");
+ return ret;
+ }
- return ret;
+ return 0;
}
static int aic31xx_set_bias_level(struct snd_soc_codec *codec,
@@ -1137,14 +1151,11 @@ 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 +1180,10 @@ 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)
@@ -1289,6 +1302,14 @@ 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 +1339,12 @@ 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 +1352,15 @@ 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 +1406,6 @@ 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 +1416,8 @@ 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 <jsarha@ti.com>");
+MODULE_LICENSE("GPL v2");
@@ -1,7 +1,7 @@
/*
* ALSA SoC TLV320AIC31XX codec driver
*
- * Copyright (C) 2013 Texas Instruments, Inc.
+ * Copyright (C) 2013-2017 Texas Instruments Incorporated - http://www.ti.com/
*
* 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
@@ -10,8 +10,8 @@
* 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.
- *
*/
+
#ifndef _TLV320AIC31XX_H
#define _TLV320AIC31XX_H
Simple non-functional changes including: * Fix header copyright tags * Fix spelling errors * Reformat code for easier reading * Move some code blocks to a more natural ordering * Remove unneeded code * Remove assignments that are always overridden * Normalize function return paths Signed-off-by: Andrew F. Davis <afd@ti.com> --- sound/soc/codecs/tlv320aic31xx.c | 93 ++++++++++++++++++++++------------------ sound/soc/codecs/tlv320aic31xx.h | 4 +- 2 files changed, 54 insertions(+), 43 deletions(-)