Merge "ASoC: msm-cdc-pinctrl: Add support to control wakeup capable gpios" (928fd5f4) · Commits · e / devices / android_kernel_oneplus_sm7250

asoc/codecs/msm-cdc-pinctrl.c

+33 −0

Original line number	Diff line number	Diff line
		@@ -11,6 +11,7 @@
		#include <linux/platform_device.h>
		#include <linux/gpio.h>
		#include <linux/of_gpio.h>
		#include <linux/pinctrl/qcom-pinctrl.h>
		#include <asoc/msm-cdc-pinctrl.h>

		struct msm_cdc_pinctrl_info {
		@@ -19,6 +20,8 @@ struct msm_cdc_pinctrl_info {
		struct pinctrl_state *pinctrl_sleep;
		int gpio;
		bool state;
		u32 tlmm_gpio;
		bool wakeup_capable;
		};

		static struct msm_cdc_pinctrl_info *msm_cdc_pinctrl_get_gpiodata(
		@@ -137,10 +140,34 @@ int msm_cdc_pinctrl_get_state(struct device_node *np)
		}
		EXPORT_SYMBOL(msm_cdc_pinctrl_get_state);

		/*
		* msm_cdc_pinctrl_set_wakeup_capable: Set a pinctrl to wakeup capable
		* @np: pointer to struct device_node
		* @enable: wakeup capable when set to true
		*
		* Returns 0 for success and error code for failure
		*/
		int msm_cdc_pinctrl_set_wakeup_capable(struct device_node *np, bool enable)
		{
		struct msm_cdc_pinctrl_info *gpio_data;
		int ret = 0;

		gpio_data = msm_cdc_pinctrl_get_gpiodata(np);
		if (!gpio_data)
		return -EINVAL;

		if (gpio_data->wakeup_capable)
		ret = msm_gpio_mpm_wake_set(gpio_data->tlmm_gpio, enable);

		return ret;
		}
		EXPORT_SYMBOL(msm_cdc_pinctrl_set_wakeup_capable);

		static int msm_cdc_pinctrl_probe(struct platform_device *pdev)
		{
		int ret = 0;
		struct msm_cdc_pinctrl_info *gpio_data;
		u32 tlmm_gpio = 0;

		gpio_data = devm_kzalloc(&pdev->dev,
		sizeof(struct msm_cdc_pinctrl_info),
		@@ -183,6 +210,12 @@ static int msm_cdc_pinctrl_probe(struct platform_device *pdev)
		__func__, ret);
		}

		if (!of_property_read_u32(pdev->dev.of_node, "qcom,tlmm-gpio",
		&tlmm_gpio)) {
		gpio_data->wakeup_capable = true;
		gpio_data->tlmm_gpio = tlmm_gpio;
		}

		gpio_data->gpio = of_get_named_gpio(pdev->dev.of_node,
		"qcom,cdc-rst-n-gpio", 0);
		if (gpio_is_valid(gpio_data->gpio)) {

include/asoc/msm-cdc-pinctrl.h

+7 −0

Original line number	Diff line number	Diff line
		@@ -13,6 +13,8 @@ extern int msm_cdc_pinctrl_select_sleep_state(struct device_node *np);
		extern int msm_cdc_pinctrl_select_active_state(struct device_node *np);
		extern int msm_cdc_pinctrl_get_state(struct device_node *np);
		extern int msm_cdc_get_gpio_state(struct device_node *np);
		extern int msm_cdc_pinctrl_set_wakeup_capable(struct device_node *np,
		bool enable);
		int msm_cdc_pinctrl_drv_init(void);
		void msm_cdc_pinctrl_drv_exit(void);

		@@ -40,6 +42,11 @@ int msm_cdc_pinctrl_get_state(struct device_node *np)
		{
		return true;
		}
		static int msm_cdc_pinctrl_set_wakeup_capable(struct device_node *np,
		bool enable)
		{
		return 0;
		}
		#endif

		#endif