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ASoC: adau1701: Replace legacy gpio interface for gpiod 

Considering the current transition of the GPIO subsystem, remove all
dependencies of the legacy GPIO interface (linux/gpio.h and linux
/of_gpio.h) and replace it with the descriptor-based GPIO approach.

Signed-off-by: Maíra Canal <maira.canal@usp.br>
Link: https://lore.kernel.org/r/YXWo/9o7ye9a11aR@fedora
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Maíra Canal 2021-10-24 15:42:07 -03:00 committed by Mark Brown
parent 749303055b
commit 5dbec393cd
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 31 additions and 63 deletions
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94
sound/soc/codecs/adau1701.c
View File

@ -13,8 +13,8 @@
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/of.h>
#include <linux/of_gpio.h>
#include <linux/of_device.h>
#include <linux/gpio/consumer.h>
#include <linux/regulator/consumer.h>
#include <linux/regmap.h>
#include <sound/core.h>
@ -106,8 +106,8 @@ static const char * const supply_names[] = {
};
struct adau1701 {
int gpio_nreset;
int gpio_pll_mode[2];
struct gpio_desc *gpio_nreset;
struct gpio_descs *gpio_pll_mode;
unsigned int dai_fmt;
unsigned int pll_clkdiv;
unsigned int sysclk;
@ -303,39 +303,41 @@ static int adau1701_reset(struct snd_soc_component *component, unsigned int clkd
struct adau1701 *adau1701 = snd_soc_component_get_drvdata(component);
int ret;
DECLARE_BITMAP(values, 2);
sigmadsp_reset(adau1701->sigmadsp);
if (clkdiv != ADAU1707_CLKDIV_UNSET &&
gpio_is_valid(adau1701->gpio_pll_mode[0]) &&
gpio_is_valid(adau1701->gpio_pll_mode[1])) {
if (clkdiv != ADAU1707_CLKDIV_UNSET && adau1701->gpio_pll_mode) {
switch (clkdiv) {
case 64:
gpio_set_value_cansleep(adau1701->gpio_pll_mode[0], 0);
gpio_set_value_cansleep(adau1701->gpio_pll_mode[1], 0);
__assign_bit(0, values, 0);
__assign_bit(1, values, 0);
break;
case 256:
gpio_set_value_cansleep(adau1701->gpio_pll_mode[0], 0);
gpio_set_value_cansleep(adau1701->gpio_pll_mode[1], 1);
__assign_bit(0, values, 0);
__assign_bit(1, values, 1);
break;
case 384:
gpio_set_value_cansleep(adau1701->gpio_pll_mode[0], 1);
gpio_set_value_cansleep(adau1701->gpio_pll_mode[1], 0);
__assign_bit(0, values, 1);
__assign_bit(1, values, 0);
break;
case 0: /* fallback */
case 0: /* fallback */
case 512:
gpio_set_value_cansleep(adau1701->gpio_pll_mode[0], 1);
gpio_set_value_cansleep(adau1701->gpio_pll_mode[1], 1);
__assign_bit(0, values, 1);
__assign_bit(1, values, 1);
break;
}
gpiod_set_array_value_cansleep(adau1701->gpio_pll_mode->ndescs,
adau1701->gpio_pll_mode->desc, adau1701->gpio_pll_mode->info,
values);
}
adau1701->pll_clkdiv = clkdiv;
if (gpio_is_valid(adau1701->gpio_nreset)) {
gpio_set_value_cansleep(adau1701->gpio_nreset, 0);
if (adau1701->gpio_nreset) {
gpiod_set_value_cansleep(adau1701->gpio_nreset, 0);
/* minimum reset time is 20ns */
udelay(1);
gpio_set_value_cansleep(adau1701->gpio_nreset, 1);
gpiod_set_value_cansleep(adau1701->gpio_nreset, 1);
/* power-up time may be as long as 85ms */
mdelay(85);
}
@ -719,8 +721,8 @@ static void adau1701_remove(struct snd_soc_component *component)
{
struct adau1701 *adau1701 = snd_soc_component_get_drvdata(component);
if (gpio_is_valid(adau1701->gpio_nreset))
gpio_set_value_cansleep(adau1701->gpio_nreset, 0);
if (adau1701->gpio_nreset)
gpiod_set_value_cansleep(adau1701->gpio_nreset, 0);
regulator_bulk_disable(ARRAY_SIZE(adau1701->supplies), adau1701->supplies);
}
@ -788,8 +790,6 @@ static int adau1701_i2c_probe(struct i2c_client *client,
{
struct adau1701 *adau1701;
struct device *dev = &client->dev;
int gpio_nreset = -EINVAL;
int gpio_pll_mode[2] = { -EINVAL, -EINVAL };
int ret, i;
adau1701 = devm_kzalloc(dev, sizeof(*adau1701), GFP_KERNEL);
@ -823,26 +823,6 @@ static int adau1701_i2c_probe(struct i2c_client *client,
if (dev->of_node) {
gpio_nreset = of_get_named_gpio(dev->of_node, "reset-gpio", 0);
if (gpio_nreset < 0 && gpio_nreset != -ENOENT) {
ret = gpio_nreset;
goto exit_regulators_disable;
}
gpio_pll_mode[0] = of_get_named_gpio(dev->of_node,
"adi,pll-mode-gpios", 0);
if (gpio_pll_mode[0] < 0 && gpio_pll_mode[0] != -ENOENT) {
ret = gpio_pll_mode[0];
goto exit_regulators_disable;
}
gpio_pll_mode[1] = of_get_named_gpio(dev->of_node,
"adi,pll-mode-gpios", 1);
if (gpio_pll_mode[1] < 0 && gpio_pll_mode[1] != -ENOENT) {
ret = gpio_pll_mode[1];
goto exit_regulators_disable;
}
of_property_read_u32(dev->of_node, "adi,pll-clkdiv",
&adau1701->pll_clkdiv);
@ -851,32 +831,20 @@ static int adau1701_i2c_probe(struct i2c_client *client,
ARRAY_SIZE(adau1701->pin_config));
}
if (gpio_is_valid(gpio_nreset)) {
ret = devm_gpio_request_one(dev, gpio_nreset, GPIOF_OUT_INIT_LOW,
"ADAU1701 Reset");
if (ret < 0)
goto exit_regulators_disable;
adau1701->gpio_nreset = devm_gpiod_get_optional(dev, "reset", GPIOD_IN);
if (IS_ERR(adau1701->gpio_nreset)) {
ret = PTR_ERR(adau1701->gpio_nreset);
goto exit_regulators_disable;
}
if (gpio_is_valid(gpio_pll_mode[0]) &&
gpio_is_valid(gpio_pll_mode[1])) {
ret = devm_gpio_request_one(dev, gpio_pll_mode[0],
GPIOF_OUT_INIT_LOW,
"ADAU1701 PLL mode 0");
if (ret < 0)
goto exit_regulators_disable;
adau1701->gpio_pll_mode = devm_gpiod_get_array_optional(dev, "adi,pll-mode", GPIOD_OUT_LOW);
ret = devm_gpio_request_one(dev, gpio_pll_mode[1],
GPIOF_OUT_INIT_LOW,
"ADAU1701 PLL mode 1");
if (ret < 0)
goto exit_regulators_disable;
if (IS_ERR(adau1701->gpio_pll_mode)) {
ret = PTR_ERR(adau1701->gpio_pll_mode);
goto exit_regulators_disable;
}
adau1701->gpio_nreset = gpio_nreset;
adau1701->gpio_pll_mode[0] = gpio_pll_mode[0];
adau1701->gpio_pll_mode[1] = gpio_pll_mode[1];
i2c_set_clientdata(client, adau1701);
adau1701->sigmadsp = devm_sigmadsp_init_i2c(client,