diff options
Diffstat (limited to '')
-rw-r--r-- | sound/soc/codecs/wm1250-ev1.c | 118 |
1 files changed, 44 insertions, 74 deletions
diff --git a/sound/soc/codecs/wm1250-ev1.c b/sound/soc/codecs/wm1250-ev1.c index d7eeb41ba60f..a2a8b2a4b19b 100644 --- a/sound/soc/codecs/wm1250-ev1.c +++ b/sound/soc/codecs/wm1250-ev1.c @@ -9,34 +9,23 @@ #include <linux/module.h> #include <linux/slab.h> #include <linux/i2c.h> -#include <linux/gpio.h> +#include <linux/gpio/consumer.h> #include <sound/soc.h> #include <sound/soc-dapm.h> -#include <sound/wm1250-ev1.h> - -static const char *wm1250_gpio_names[WM1250_EV1_NUM_GPIOS] = { - "WM1250 CLK_ENA", - "WM1250 CLK_SEL0", - "WM1250 CLK_SEL1", - "WM1250 OSR", - "WM1250 MASTER", -}; struct wm1250_priv { - struct gpio gpios[WM1250_EV1_NUM_GPIOS]; + struct gpio_desc *clk_ena; + struct gpio_desc *clk_sel0; + struct gpio_desc *clk_sel1; + struct gpio_desc *osr; + struct gpio_desc *master; }; static int wm1250_ev1_set_bias_level(struct snd_soc_component *component, enum snd_soc_bias_level level) { struct wm1250_priv *wm1250 = dev_get_drvdata(component->dev); - int ena; - - if (wm1250) - ena = wm1250->gpios[WM1250_EV1_GPIO_CLK_ENA].gpio; - else - ena = -1; switch (level) { case SND_SOC_BIAS_ON: @@ -46,13 +35,11 @@ static int wm1250_ev1_set_bias_level(struct snd_soc_component *component, break; case SND_SOC_BIAS_STANDBY: - if (ena >= 0) - gpio_set_value_cansleep(ena, 1); + gpiod_set_value_cansleep(wm1250->clk_ena, 1); break; case SND_SOC_BIAS_OFF: - if (ena >= 0) - gpio_set_value_cansleep(ena, 0); + gpiod_set_value_cansleep(wm1250->clk_ena, 0); break; } @@ -80,28 +67,20 @@ static int wm1250_ev1_hw_params(struct snd_pcm_substream *substream, switch (params_rate(params)) { case 8000: - gpio_set_value(wm1250->gpios[WM1250_EV1_GPIO_CLK_SEL0].gpio, - 1); - gpio_set_value(wm1250->gpios[WM1250_EV1_GPIO_CLK_SEL1].gpio, - 1); + gpiod_set_value(wm1250->clk_sel0, 1); + gpiod_set_value(wm1250->clk_sel1, 1); break; case 16000: - gpio_set_value(wm1250->gpios[WM1250_EV1_GPIO_CLK_SEL0].gpio, - 0); - gpio_set_value(wm1250->gpios[WM1250_EV1_GPIO_CLK_SEL1].gpio, - 1); + gpiod_set_value(wm1250->clk_sel0, 0); + gpiod_set_value(wm1250->clk_sel1, 1); break; case 32000: - gpio_set_value(wm1250->gpios[WM1250_EV1_GPIO_CLK_SEL0].gpio, - 1); - gpio_set_value(wm1250->gpios[WM1250_EV1_GPIO_CLK_SEL1].gpio, - 0); + gpiod_set_value(wm1250->clk_sel0, 1); + gpiod_set_value(wm1250->clk_sel1, 0); break; case 64000: - gpio_set_value(wm1250->gpios[WM1250_EV1_GPIO_CLK_SEL0].gpio, - 0); - gpio_set_value(wm1250->gpios[WM1250_EV1_GPIO_CLK_SEL1].gpio, - 0); + gpiod_set_value(wm1250->clk_sel0, 0); + gpiod_set_value(wm1250->clk_sel1, 0); break; default: return -EINVAL; @@ -150,45 +129,43 @@ static int wm1250_ev1_pdata(struct i2c_client *i2c) { struct wm1250_ev1_pdata *pdata = dev_get_platdata(&i2c->dev); struct wm1250_priv *wm1250; - int i, ret; + int ret; if (!pdata) return 0; wm1250 = devm_kzalloc(&i2c->dev, sizeof(*wm1250), GFP_KERNEL); - if (!wm1250) { - ret = -ENOMEM; - goto err; - } - - for (i = 0; i < ARRAY_SIZE(wm1250->gpios); i++) { - wm1250->gpios[i].gpio = pdata->gpios[i]; - wm1250->gpios[i].label = wm1250_gpio_names[i]; - wm1250->gpios[i].flags = GPIOF_OUT_INIT_LOW; - } - wm1250->gpios[WM1250_EV1_GPIO_CLK_SEL0].flags = GPIOF_OUT_INIT_HIGH; - wm1250->gpios[WM1250_EV1_GPIO_CLK_SEL1].flags = GPIOF_OUT_INIT_HIGH; - - ret = gpio_request_array(wm1250->gpios, ARRAY_SIZE(wm1250->gpios)); - if (ret != 0) { - dev_err(&i2c->dev, "Failed to get GPIOs: %d\n", ret); - goto err; - } + if (!wm1250) + return -ENOMEM; + + wm1250->clk_ena = devm_gpiod_get(&i2c->dev, "clk-ena", GPIOD_OUT_LOW); + if (IS_ERR(wm1250->clk_ena)) + return dev_err_probe(&i2c->dev, PTR_ERR(wm1250->clk_ena), + "failed to get clock enable GPIO\n"); + + wm1250->clk_sel0 = devm_gpiod_get(&i2c->dev, "clk-sel0", GPIOD_OUT_HIGH); + if (IS_ERR(wm1250->clk_sel0)) + return dev_err_probe(&i2c->dev, PTR_ERR(wm1250->clk_sel0), + "failed to get clock sel0 GPIO\n"); + + wm1250->clk_sel1 = devm_gpiod_get(&i2c->dev, "clk-sel1", GPIOD_OUT_HIGH); + if (IS_ERR(wm1250->clk_sel1)) + return dev_err_probe(&i2c->dev, PTR_ERR(wm1250->clk_sel1), + "failed to get clock sel1 GPIO\n"); + + wm1250->osr = devm_gpiod_get(&i2c->dev, "osr", GPIOD_OUT_LOW); + if (IS_ERR(wm1250->osr)) + return dev_err_probe(&i2c->dev, PTR_ERR(wm1250->osr), + "failed to get OSR GPIO\n"); + + wm1250->master = devm_gpiod_get(&i2c->dev, "master", GPIOD_OUT_LOW); + if (IS_ERR(wm1250->master)) + return dev_err_probe(&i2c->dev, PTR_ERR(wm1250->master), + "failed to get MASTER GPIO\n"); dev_set_drvdata(&i2c->dev, wm1250); return ret; - -err: - return ret; -} - -static void wm1250_ev1_free(struct i2c_client *i2c) -{ - struct wm1250_priv *wm1250 = dev_get_drvdata(&i2c->dev); - - if (wm1250) - gpio_free_array(wm1250->gpios, ARRAY_SIZE(wm1250->gpios)); } static int wm1250_ev1_probe(struct i2c_client *i2c) @@ -221,18 +198,12 @@ static int wm1250_ev1_probe(struct i2c_client *i2c) &wm1250_ev1_dai, 1); if (ret != 0) { dev_err(&i2c->dev, "Failed to register CODEC: %d\n", ret); - wm1250_ev1_free(i2c); return ret; } return 0; } -static void wm1250_ev1_remove(struct i2c_client *i2c) -{ - wm1250_ev1_free(i2c); -} - static const struct i2c_device_id wm1250_ev1_i2c_id[] = { { "wm1250-ev1", 0 }, { } @@ -244,7 +215,6 @@ static struct i2c_driver wm1250_ev1_i2c_driver = { .name = "wm1250-ev1", }, .probe = wm1250_ev1_probe, - .remove = wm1250_ev1_remove, .id_table = wm1250_ev1_i2c_id, }; 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