C++ (Cpp) __msm_gpio_set_inout示例

示例#1

文件： gpio-msm-v2.c 项目： 240046249/android_kernel_sharp_sh01f

void __msm_gpio_set_config_direction(unsigned gpio, int input, int val)
{
	if (input)
		clr_gpio_bits(BIT(GPIO_OE_BIT), GPIO_CONFIG(gpio));
	else {
		__msm_gpio_set_inout(gpio, val);
		set_gpio_bits(BIT(GPIO_OE_BIT), GPIO_CONFIG(gpio));
	}
}

示例#2

void tlmm_before_sleep_set_configs(void)
{
	int res;
	unsigned i;

	//only set tlmms before sleep when it's enabled
	if (!before_sleep_table_enabled)
		return;

	printk("%s(), before_sleep_table_enabled=%d\n", __func__, before_sleep_table_enabled);
	for(i = 0; i < TLMM_NUM_GPIO; ++i) {
		unsigned cfg;
		int gpio;
		int dir;
		int func;
		int output_val = 0;

		cfg = before_sleep_table_configs[i];

		gpio = GPIO_PIN(cfg);
		if(gpio != i)//(cfg & ~0x20000000) == 0 || 
			continue;

		output_val = HAL_OUTPUT_VAL(cfg);
		//Clear the output value
		//cfg &= ~0x40000000;
		dir = GPIO_DIR(cfg);
		func = GPIO_FUNC(cfg);

		printk("%s(), [%d]: 0x%x\n", __func__, i, cfg);
		res = gpio_tlmm_config((cfg & ~0x40000000), GPIO_CFG_ENABLE);
		if(res < 0) {
			printk("Error: Config failed.\n");
		}
		
		if((func == 0) && (dir == 1)) // gpio output
			__msm_gpio_set_inout(i, output_val);
	}
}