diff options
Diffstat (limited to 'sound/soc/codecs/tlv320aic32x4.c')
-rw-r--r-- | sound/soc/codecs/tlv320aic32x4.c | 53 |
1 files changed, 23 insertions, 30 deletions
diff --git a/sound/soc/codecs/tlv320aic32x4.c b/sound/soc/codecs/tlv320aic32x4.c index 54ea4bc58c27..7399080f8580 100644 --- a/sound/soc/codecs/tlv320aic32x4.c +++ b/sound/soc/codecs/tlv320aic32x4.c @@ -9,27 +9,26 @@ * Based on sound/soc/codecs/wm8974 and TI driver for kernel 2.6.27. */ -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/pm.h> -#include <linux/gpio.h> -#include <linux/of_gpio.h> #include <linux/cdev.h> -#include <linux/slab.h> #include <linux/clk.h> +#include <linux/delay.h> +#include <linux/gpio/consumer.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/moduleparam.h> #include <linux/of_clk.h> +#include <linux/pm.h> #include <linux/regulator/consumer.h> +#include <linux/slab.h> -#include <sound/tlv320aic32x4.h> #include <sound/core.h> +#include <sound/initval.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/soc.h> #include <sound/soc-dapm.h> -#include <sound/initval.h> #include <sound/tlv.h> +#include <sound/tlv320aic32x4.h> #include "tlv320aic32x4.h" @@ -38,7 +37,7 @@ struct aic32x4_priv { u32 power_cfg; u32 micpga_routing; bool swapdacs; - int rstn_gpio; + struct gpio_desc *rstn_gpio; const char *mclk_name; struct regulator *supply_ldo; @@ -1236,7 +1235,14 @@ static int aic32x4_parse_dt(struct aic32x4_priv *aic32x4, aic32x4->swapdacs = false; aic32x4->micpga_routing = 0; - aic32x4->rstn_gpio = of_get_named_gpio(np, "reset-gpios", 0); + /* Assert reset using GPIOD_OUT_HIGH, because reset is GPIO_ACTIVE_LOW */ + aic32x4->rstn_gpio = devm_gpiod_get_optional(aic32x4->dev, "reset", GPIOD_OUT_HIGH); + if (IS_ERR(aic32x4->rstn_gpio)) { + return dev_err_probe(aic32x4->dev, PTR_ERR(aic32x4->rstn_gpio), + "Failed to get reset gpio\n"); + } else { + gpiod_set_consumer_name(aic32x4->rstn_gpio, "tlv320aic32x4_rstn"); + } if (of_property_read_u32_array(np, "aic32x4-gpio-func", aic32x4_setup->gpio_func, 5) >= 0) @@ -1346,7 +1352,6 @@ int aic32x4_probe(struct device *dev, struct regmap *regmap, enum aic32x4_type type) { struct aic32x4_priv *aic32x4; - struct aic32x4_pdata *pdata = dev->platform_data; struct device_node *np = dev->of_node; int ret; @@ -1363,13 +1368,7 @@ int aic32x4_probe(struct device *dev, struct regmap *regmap, dev_set_drvdata(dev, aic32x4); - if (pdata) { - aic32x4->power_cfg = pdata->power_cfg; - aic32x4->swapdacs = pdata->swapdacs; - aic32x4->micpga_routing = pdata->micpga_routing; - aic32x4->rstn_gpio = pdata->rstn_gpio; - aic32x4->mclk_name = "mclk"; - } else if (np) { + if (np) { ret = aic32x4_parse_dt(aic32x4, np); if (ret) { dev_err(dev, "Failed to parse DT node\n"); @@ -1379,26 +1378,20 @@ int aic32x4_probe(struct device *dev, struct regmap *regmap, aic32x4->power_cfg = 0; aic32x4->swapdacs = false; aic32x4->micpga_routing = 0; - aic32x4->rstn_gpio = -1; + aic32x4->rstn_gpio = NULL; aic32x4->mclk_name = "mclk"; } - if (gpio_is_valid(aic32x4->rstn_gpio)) { - ret = devm_gpio_request_one(dev, aic32x4->rstn_gpio, - GPIOF_OUT_INIT_LOW, "tlv320aic32x4 rstn"); - if (ret != 0) - return ret; - } - ret = aic32x4_setup_regulators(dev, aic32x4); if (ret) { dev_err(dev, "Failed to setup regulators\n"); return ret; } - if (gpio_is_valid(aic32x4->rstn_gpio)) { + if (aic32x4->rstn_gpio) { ndelay(10); - gpio_set_value_cansleep(aic32x4->rstn_gpio, 1); + /* deassert reset */ + gpiod_set_value_cansleep(aic32x4->rstn_gpio, 0); mdelay(1); } |