ASoC: Convert WM8996 gpiolib to regmap

Actually pretty straightforward.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2011-09-19 23:04:06 +01:00
parent ee5f387226
commit b2d1e23373

View File

@ -50,6 +50,7 @@ static const char *wm8996_supply_names[WM8996_NUM_SUPPLIES] = {
}; };
struct wm8996_priv { struct wm8996_priv {
struct device *dev;
struct regmap *regmap; struct regmap *regmap;
struct snd_soc_codec *codec; struct snd_soc_codec *codec;
@ -2325,48 +2326,45 @@ static inline struct wm8996_priv *gpio_to_wm8996(struct gpio_chip *chip)
static void wm8996_gpio_set(struct gpio_chip *chip, unsigned offset, int value) static void wm8996_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
{ {
struct wm8996_priv *wm8996 = gpio_to_wm8996(chip); struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
struct snd_soc_codec *codec = wm8996->codec;
snd_soc_update_bits(codec, WM8996_GPIO_1 + offset, regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
WM8996_GP1_LVL, !!value << WM8996_GP1_LVL_SHIFT); WM8996_GP1_LVL, !!value << WM8996_GP1_LVL_SHIFT);
} }
static int wm8996_gpio_direction_out(struct gpio_chip *chip, static int wm8996_gpio_direction_out(struct gpio_chip *chip,
unsigned offset, int value) unsigned offset, int value)
{ {
struct wm8996_priv *wm8996 = gpio_to_wm8996(chip); struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
struct snd_soc_codec *codec = wm8996->codec;
int val; int val;
val = (1 << WM8996_GP1_FN_SHIFT) | (!!value << WM8996_GP1_LVL_SHIFT); val = (1 << WM8996_GP1_FN_SHIFT) | (!!value << WM8996_GP1_LVL_SHIFT);
return snd_soc_update_bits(codec, WM8996_GPIO_1 + offset, return regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
WM8996_GP1_FN_MASK | WM8996_GP1_DIR | WM8996_GP1_FN_MASK | WM8996_GP1_DIR |
WM8996_GP1_LVL, val); WM8996_GP1_LVL, val);
} }
static int wm8996_gpio_get(struct gpio_chip *chip, unsigned offset) static int wm8996_gpio_get(struct gpio_chip *chip, unsigned offset)
{ {
struct wm8996_priv *wm8996 = gpio_to_wm8996(chip); struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
struct snd_soc_codec *codec = wm8996->codec; unsigned int reg;
int ret; int ret;
ret = snd_soc_read(codec, WM8996_GPIO_1 + offset); ret = regmap_read(wm8996->regmap, WM8996_GPIO_1 + offset, &reg);
if (ret < 0) if (ret < 0)
return ret; return ret;
return (ret & WM8996_GP1_LVL) != 0; return (reg & WM8996_GP1_LVL) != 0;
} }
static int wm8996_gpio_direction_in(struct gpio_chip *chip, unsigned offset) static int wm8996_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
{ {
struct wm8996_priv *wm8996 = gpio_to_wm8996(chip); struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
struct snd_soc_codec *codec = wm8996->codec;
return snd_soc_update_bits(codec, WM8996_GPIO_1 + offset, return regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
WM8996_GP1_FN_MASK | WM8996_GP1_DIR, WM8996_GP1_FN_MASK | WM8996_GP1_DIR,
(1 << WM8996_GP1_FN_SHIFT) | (1 << WM8996_GP1_FN_SHIFT) |
(1 << WM8996_GP1_DIR_SHIFT)); (1 << WM8996_GP1_DIR_SHIFT));
} }
static struct gpio_chip wm8996_template_chip = { static struct gpio_chip wm8996_template_chip = {
@ -2379,14 +2377,13 @@ static struct gpio_chip wm8996_template_chip = {
.can_sleep = 1, .can_sleep = 1,
}; };
static void wm8996_init_gpio(struct snd_soc_codec *codec) static void wm8996_init_gpio(struct wm8996_priv *wm8996)
{ {
struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
int ret; int ret;
wm8996->gpio_chip = wm8996_template_chip; wm8996->gpio_chip = wm8996_template_chip;
wm8996->gpio_chip.ngpio = 5; wm8996->gpio_chip.ngpio = 5;
wm8996->gpio_chip.dev = codec->dev; wm8996->gpio_chip.dev = wm8996->dev;
if (wm8996->pdata.gpio_base) if (wm8996->pdata.gpio_base)
wm8996->gpio_chip.base = wm8996->pdata.gpio_base; wm8996->gpio_chip.base = wm8996->pdata.gpio_base;
@ -2395,24 +2392,23 @@ static void wm8996_init_gpio(struct snd_soc_codec *codec)
ret = gpiochip_add(&wm8996->gpio_chip); ret = gpiochip_add(&wm8996->gpio_chip);
if (ret != 0) if (ret != 0)
dev_err(codec->dev, "Failed to add GPIOs: %d\n", ret); dev_err(wm8996->dev, "Failed to add GPIOs: %d\n", ret);
} }
static void wm8996_free_gpio(struct snd_soc_codec *codec) static void wm8996_free_gpio(struct wm8996_priv *wm8996)
{ {
struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
int ret; int ret;
ret = gpiochip_remove(&wm8996->gpio_chip); ret = gpiochip_remove(&wm8996->gpio_chip);
if (ret != 0) if (ret != 0)
dev_err(codec->dev, "Failed to remove GPIOs: %d\n", ret); dev_err(wm8996->dev, "Failed to remove GPIOs: %d\n", ret);
} }
#else #else
static void wm8996_init_gpio(struct snd_soc_codec *codec) static void wm8996_init_gpio(struct wm8996_priv *wm8996)
{ {
} }
static void wm8996_free_gpio(struct snd_soc_codec *codec) static void wm8996_free_gpio(struct wm8996_priv *wm8996)
{ {
} }
#endif #endif
@ -2974,8 +2970,6 @@ static int wm8996_probe(struct snd_soc_codec *codec)
WM8996_AIF2TX_LRCLK_MODE, WM8996_AIF2TX_LRCLK_MODE,
WM8996_AIF2TX_LRCLK_MODE); WM8996_AIF2TX_LRCLK_MODE);
wm8996_init_gpio(codec);
if (i2c->irq) { if (i2c->irq) {
if (wm8996->pdata.irq_flags) if (wm8996->pdata.irq_flags)
irq_flags = wm8996->pdata.irq_flags; irq_flags = wm8996->pdata.irq_flags;
@ -3029,8 +3023,6 @@ static int wm8996_remove(struct snd_soc_codec *codec)
if (i2c->irq) if (i2c->irq)
free_irq(i2c->irq, codec); free_irq(i2c->irq, codec);
wm8996_free_gpio(codec);
for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++) for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++)
regulator_unregister_notifier(wm8996->supplies[i].consumer, regulator_unregister_notifier(wm8996->supplies[i].consumer,
&wm8996->disable_nb[i]); &wm8996->disable_nb[i]);
@ -3117,6 +3109,7 @@ static __devinit int wm8996_i2c_probe(struct i2c_client *i2c,
return -ENOMEM; return -ENOMEM;
i2c_set_clientdata(i2c, wm8996); i2c_set_clientdata(i2c, wm8996);
wm8996->dev = &i2c->dev;
if (dev_get_platdata(&i2c->dev)) if (dev_get_platdata(&i2c->dev))
memcpy(&wm8996->pdata, dev_get_platdata(&i2c->dev), memcpy(&wm8996->pdata, dev_get_platdata(&i2c->dev),
@ -3197,14 +3190,18 @@ static __devinit int wm8996_i2c_probe(struct i2c_client *i2c,
goto err_regmap; goto err_regmap;
} }
wm8996_init_gpio(wm8996);
ret = snd_soc_register_codec(&i2c->dev, ret = snd_soc_register_codec(&i2c->dev,
&soc_codec_dev_wm8996, wm8996_dai, &soc_codec_dev_wm8996, wm8996_dai,
ARRAY_SIZE(wm8996_dai)); ARRAY_SIZE(wm8996_dai));
if (ret < 0) if (ret < 0)
goto err_regmap; goto err_gpiolib;
return ret; return ret;
err_gpiolib:
wm8996_free_gpio(wm8996);
err_regmap: err_regmap:
regmap_exit(wm8996->regmap); regmap_exit(wm8996->regmap);
err_enable: err_enable:
@ -3229,6 +3226,7 @@ static __devexit int wm8996_i2c_remove(struct i2c_client *client)
struct wm8996_priv *wm8996 = i2c_get_clientdata(client); struct wm8996_priv *wm8996 = i2c_get_clientdata(client);
snd_soc_unregister_codec(&client->dev); snd_soc_unregister_codec(&client->dev);
wm8996_free_gpio(wm8996);
regulator_put(wm8996->cpvdd); regulator_put(wm8996->cpvdd);
regulator_bulk_free(ARRAY_SIZE(wm8996->supplies), wm8996->supplies); regulator_bulk_free(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
regmap_exit(wm8996->regmap); regmap_exit(wm8996->regmap);