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Diffstat (limited to 'sound/soc/codecs/max9850.c')
-rw-r--r--sound/soc/codecs/max9850.c119
1 files changed, 47 insertions, 72 deletions
diff --git a/sound/soc/codecs/max9850.c b/sound/soc/codecs/max9850.c
index 0610840733d1..1fcbc64a2771 100644
--- a/sound/soc/codecs/max9850.c
+++ b/sound/soc/codecs/max9850.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* max9850.c -- codec driver for max9850
*
@@ -6,13 +7,7 @@
* Author: Christian Glindkamp <christian.glindkamp@taskit.de>
*
* Initial development of this code was funded by
- * MICRONIC Computer Systeme GmbH, http://www.mcsberlin.de/
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
+ * MICRONIC Computer Systeme GmbH, https://www.mcsberlin.de/
*/
#include <linux/module.h>
@@ -32,19 +27,6 @@ struct max9850_priv {
unsigned int sysclk;
};
-/* max9850 register cache */
-static const struct reg_default max9850_reg[] = {
- { 2, 0x0c },
- { 3, 0x00 },
- { 4, 0x00 },
- { 5, 0x00 },
- { 6, 0x00 },
- { 7, 0x00 },
- { 8, 0x00 },
- { 9, 0x00 },
- { 10, 0x00 },
-};
-
/* these registers are not used at the moment but provided for the sake of
* completeness */
static bool max9850_volatile_register(struct device *dev, unsigned int reg)
@@ -52,9 +34,9 @@ static bool max9850_volatile_register(struct device *dev, unsigned int reg)
switch (reg) {
case MAX9850_STATUSA:
case MAX9850_STATUSB:
- return 1;
+ return true;
default:
- return 0;
+ return false;
}
}
@@ -130,8 +112,8 @@ static int max9850_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
- struct snd_soc_codec *codec = dai->codec;
- struct max9850_priv *max9850 = snd_soc_codec_get_drvdata(codec);
+ struct snd_soc_component *component = dai->component;
+ struct max9850_priv *max9850 = snd_soc_component_get_drvdata(component);
u64 lrclk_div;
u8 sf, da;
@@ -139,14 +121,14 @@ static int max9850_hw_params(struct snd_pcm_substream *substream,
return -EINVAL;
/* lrclk_div = 2^22 * rate / iclk with iclk = mclk / sf */
- sf = (snd_soc_read(codec, MAX9850_CLOCK) >> 2) + 1;
+ sf = (snd_soc_component_read(component, MAX9850_CLOCK) >> 2) + 1;
lrclk_div = (1 << 22);
lrclk_div *= params_rate(params);
lrclk_div *= sf;
do_div(lrclk_div, max9850->sysclk);
- snd_soc_write(codec, MAX9850_LRCLK_MSB, (lrclk_div >> 8) & 0x7f);
- snd_soc_write(codec, MAX9850_LRCLK_LSB, lrclk_div & 0xff);
+ snd_soc_component_write(component, MAX9850_LRCLK_MSB, (lrclk_div >> 8) & 0x7f);
+ snd_soc_component_write(component, MAX9850_LRCLK_LSB, lrclk_div & 0xff);
switch (params_width(params)) {
case 16:
@@ -161,7 +143,7 @@ static int max9850_hw_params(struct snd_pcm_substream *substream,
default:
return -EINVAL;
}
- snd_soc_update_bits(codec, MAX9850_DIGITAL_AUDIO, 0x3, da);
+ snd_soc_component_update_bits(component, MAX9850_DIGITAL_AUDIO, 0x3, da);
return 0;
}
@@ -169,16 +151,16 @@ static int max9850_hw_params(struct snd_pcm_substream *substream,
static int max9850_set_dai_sysclk(struct snd_soc_dai *codec_dai,
int clk_id, unsigned int freq, int dir)
{
- struct snd_soc_codec *codec = codec_dai->codec;
- struct max9850_priv *max9850 = snd_soc_codec_get_drvdata(codec);
+ struct snd_soc_component *component = codec_dai->component;
+ struct max9850_priv *max9850 = snd_soc_component_get_drvdata(component);
/* calculate mclk -> iclk divider */
if (freq <= 13000000)
- snd_soc_write(codec, MAX9850_CLOCK, 0x0);
+ snd_soc_component_write(component, MAX9850_CLOCK, 0x0);
else if (freq <= 26000000)
- snd_soc_write(codec, MAX9850_CLOCK, 0x4);
+ snd_soc_component_write(component, MAX9850_CLOCK, 0x4);
else if (freq <= 40000000)
- snd_soc_write(codec, MAX9850_CLOCK, 0x8);
+ snd_soc_component_write(component, MAX9850_CLOCK, 0x8);
else
return -EINVAL;
@@ -188,15 +170,15 @@ static int max9850_set_dai_sysclk(struct snd_soc_dai *codec_dai,
static int max9850_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
{
- struct snd_soc_codec *codec = codec_dai->codec;
+ struct snd_soc_component *component = codec_dai->component;
u8 da = 0;
- /* set master/slave audio interface */
- switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
- case SND_SOC_DAIFMT_CBM_CFM:
+ /* set clock provider for audio interface */
+ switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
+ case SND_SOC_DAIFMT_CBP_CFP:
da |= MAX9850_MASTER;
break;
- case SND_SOC_DAIFMT_CBS_CFS:
+ case SND_SOC_DAIFMT_CBC_CFC:
break;
default:
return -EINVAL;
@@ -234,15 +216,16 @@ static int max9850_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
}
/* set da */
- snd_soc_write(codec, MAX9850_DIGITAL_AUDIO, da);
+ snd_soc_component_write(component, MAX9850_DIGITAL_AUDIO, da);
return 0;
}
-static int max9850_set_bias_level(struct snd_soc_codec *codec,
+static int max9850_set_bias_level(struct snd_soc_component *component,
enum snd_soc_bias_level level)
{
- struct max9850_priv *max9850 = snd_soc_codec_get_drvdata(codec);
+ struct max9850_priv *max9850 = snd_soc_component_get_drvdata(component);
+ struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component);
int ret;
switch (level) {
@@ -251,10 +234,10 @@ static int max9850_set_bias_level(struct snd_soc_codec *codec,
case SND_SOC_BIAS_PREPARE:
break;
case SND_SOC_BIAS_STANDBY:
- if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
+ if (snd_soc_dapm_get_bias_level(dapm) == SND_SOC_BIAS_OFF) {
ret = regcache_sync(max9850->regmap);
if (ret) {
- dev_err(codec->dev,
+ dev_err(component->dev,
"Failed to sync cache: %d\n", ret);
return ret;
}
@@ -289,35 +272,34 @@ static struct snd_soc_dai_driver max9850_dai = {
.ops = &max9850_dai_ops,
};
-static int max9850_probe(struct snd_soc_codec *codec)
+static int max9850_probe(struct snd_soc_component *component)
{
/* enable zero-detect */
- snd_soc_update_bits(codec, MAX9850_GENERAL_PURPOSE, 1, 1);
+ snd_soc_component_update_bits(component, MAX9850_GENERAL_PURPOSE, 1, 1);
/* enable slew-rate control */
- snd_soc_update_bits(codec, MAX9850_VOLUME, 0x40, 0x40);
+ snd_soc_component_update_bits(component, MAX9850_VOLUME, 0x40, 0x40);
/* set slew-rate 125ms */
- snd_soc_update_bits(codec, MAX9850_CHARGE_PUMP, 0xff, 0xc0);
+ snd_soc_component_update_bits(component, MAX9850_CHARGE_PUMP, 0xff, 0xc0);
return 0;
}
-static struct snd_soc_codec_driver soc_codec_dev_max9850 = {
- .probe = max9850_probe,
- .set_bias_level = max9850_set_bias_level,
- .suspend_bias_off = true,
-
- .component_driver = {
- .controls = max9850_controls,
- .num_controls = ARRAY_SIZE(max9850_controls),
- .dapm_widgets = max9850_dapm_widgets,
- .num_dapm_widgets = ARRAY_SIZE(max9850_dapm_widgets),
- .dapm_routes = max9850_dapm_routes,
- .num_dapm_routes = ARRAY_SIZE(max9850_dapm_routes),
- },
+static const struct snd_soc_component_driver soc_component_dev_max9850 = {
+ .probe = max9850_probe,
+ .set_bias_level = max9850_set_bias_level,
+ .controls = max9850_controls,
+ .num_controls = ARRAY_SIZE(max9850_controls),
+ .dapm_widgets = max9850_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(max9850_dapm_widgets),
+ .dapm_routes = max9850_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(max9850_dapm_routes),
+ .suspend_bias_off = 1,
+ .idle_bias_on = 1,
+ .use_pmdown_time = 1,
+ .endianness = 1,
};
-static int max9850_i2c_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
+static int max9850_i2c_probe(struct i2c_client *i2c)
{
struct max9850_priv *max9850;
int ret;
@@ -333,19 +315,13 @@ static int max9850_i2c_probe(struct i2c_client *i2c,
i2c_set_clientdata(i2c, max9850);
- ret = snd_soc_register_codec(&i2c->dev,
- &soc_codec_dev_max9850, &max9850_dai, 1);
+ ret = devm_snd_soc_register_component(&i2c->dev,
+ &soc_component_dev_max9850, &max9850_dai, 1);
return ret;
}
-static int max9850_i2c_remove(struct i2c_client *client)
-{
- snd_soc_unregister_codec(&client->dev);
- return 0;
-}
-
static const struct i2c_device_id max9850_i2c_id[] = {
- { "max9850", 0 },
+ { "max9850" },
{ }
};
MODULE_DEVICE_TABLE(i2c, max9850_i2c_id);
@@ -355,7 +331,6 @@ static struct i2c_driver max9850_i2c_driver = {
.name = "max9850",
},
.probe = max9850_i2c_probe,
- .remove = max9850_i2c_remove,
.id_table = max9850_i2c_id,
};
generated by cgit (git 2.34.1) at 2025-12-25 14:01:51 +0000