如何在lk中修改gpio的值

来源：互联网发布：经常性失眠的原因知乎编辑：程序博客网时间：2024/06/08 17:33

diff --git a/target/msm8952/target_display.c b/target/msm8952/target_display.c
index e91759a..a5025c5 100644
--- a/target/msm8952/target_display.c
+++ b/target/msm8952/target_display.c
@@ -57,6 +57,9 @@
static struct gpio_pin reset_gpio = {
"msmgpio", 60, 3, 1, 0, 1
};
+static struct gpio_pin reset_gpio_touch = {
+ "msmgpio", 64, 3, 1, 0, 1
+};

static struct gpio_pin enable_gpio = {
"msmgpio", 90, 3, 1, 0, 1
@@ -370,6 +373,7 @@ int target_panel_reset(uint8_t enable, struct panel_reset_sequence *resetseq,
bkl_gpio.pin_id = 66;
} else if (platform_is_msm8937()) {
reset_gpio.pin_id = 60;
+ reset_gpio_touch.pin_id = 64;
bkl_gpio.pin_id = 98;
enable_gpio.pin_id = 99;
} else if (platform_is_msmgold()) {
@@ -400,8 +404,14 @@ int target_panel_reset(uint8_t enable, struct panel_reset_sequence *resetseq,
gpio_tlmm_config(reset_gpio.pin_id, 0,
reset_gpio.pin_direction, reset_gpio.pin_pull,
reset_gpio.pin_strength, reset_gpio.pin_state);
-
+ gpio_tlmm_config(reset_gpio_touch.pin_id, 0,
+ reset_gpio.pin_direction, reset_gpio.pin_pull,
+ reset_gpio.pin_strength, reset_gpio.pin_state);
gpio_set_dir(reset_gpio.pin_id, 2);
+ gpio_set_dir(reset_gpio_touch.pin_id, 2);
+
+
+ gpio_set_dir(reset_gpio_touch.pin_id, GPIO_STATE_LOW);

/* reset */
for (int i = 0; i < RESET_GPIO_SEQ_LEN; i++) {

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