From 0779a03d3f84cc0d373a9235649f4ec7f49ba674 Mon Sep 17 00:00:00 2001
From: Alex Kang <akang95@gmail.com>
Date: Sat, 14 Oct 2023 16:08:47 -0700
Subject: [PATCH] Revert "feat(kscan): Add PM support to GPIO kscan drivers."

This reverts commit eeeaec0d05dc75c348aec3f72e8fc90a3902d0ee.
---
 app/module/drivers/kscan/kscan_gpio_direct.c | 27 +-------------------
 app/module/drivers/kscan/kscan_gpio_matrix.c | 27 +-------------------
 2 files changed, 2 insertions(+), 52 deletions(-)

diff --git a/app/module/drivers/kscan/kscan_gpio_direct.c b/app/module/drivers/kscan/kscan_gpio_direct.c
index c44debe5..5b227784 100644
--- a/app/module/drivers/kscan/kscan_gpio_direct.c
+++ b/app/module/drivers/kscan/kscan_gpio_direct.c
@@ -12,7 +12,6 @@
 #include <zephyr/drivers/kscan.h>
 #include <zephyr/kernel.h>
 #include <zephyr/logging/log.h>
-#include <zephyr/pm/device.h>
 #include <zephyr/sys/util.h>
 
 #include <zmk/debounce.h>
@@ -319,28 +318,6 @@ static int kscan_direct_init(const struct device *dev) {
     return 0;
 }
 
-#if IS_ENABLED(CONFIG_PM_DEVICE)
-
-static int kscan_direct_pm_action(const struct device *dev, enum pm_device_action action) {
-    int ret = 0;
-
-    switch (action) {
-    case PM_DEVICE_ACTION_SUSPEND:
-        kscan_direct_disable(dev);
-        break;
-    case PM_DEVICE_ACTION_RESUME:
-        kscan_direct_enable(dev);
-        break;
-    default:
-        ret = -ENOTSUP;
-        break;
-    }
-
-    return ret;
-}
-
-#endif // IS_ENABLED(CONFIG_PM_DEVICE)
-
 static const struct kscan_driver_api kscan_direct_api = {
     .config = kscan_direct_configure,
     .enable_callback = kscan_direct_enable,
@@ -377,9 +354,7 @@ static const struct kscan_driver_api kscan_direct_api = {
         .toggle_mode = DT_INST_PROP(n, toggle_mode),                                               \
     };                                                                                             \
                                                                                                    \
-    PM_DEVICE_DT_INST_DEFINE(n, kscan_direct_pm_action);                                           \
-                                                                                                   \
-    DEVICE_DT_INST_DEFINE(n, &kscan_direct_init, PM_DEVICE_DT_INST_GET(n), &kscan_direct_data_##n, \
+    DEVICE_DT_INST_DEFINE(n, &kscan_direct_init, NULL, &kscan_direct_data_##n,                     \
                           &kscan_direct_config_##n, POST_KERNEL, CONFIG_KSCAN_INIT_PRIORITY,       \
                           &kscan_direct_api);
 
diff --git a/app/module/drivers/kscan/kscan_gpio_matrix.c b/app/module/drivers/kscan/kscan_gpio_matrix.c
index de2e1127..0d8a3190 100644
--- a/app/module/drivers/kscan/kscan_gpio_matrix.c
+++ b/app/module/drivers/kscan/kscan_gpio_matrix.c
@@ -10,7 +10,6 @@
 #include <zephyr/devicetree.h>
 #include <zephyr/drivers/gpio.h>
 #include <zephyr/drivers/kscan.h>
-#include <zephyr/pm/device.h>
 #include <zephyr/kernel.h>
 #include <zephyr/logging/log.h>
 #include <zephyr/sys/__assert.h>
@@ -422,28 +421,6 @@ static int kscan_matrix_init(const struct device *dev) {
     return 0;
 }
 
-#if IS_ENABLED(CONFIG_PM_DEVICE)
-
-static int kscan_matrix_pm_action(const struct device *dev, enum pm_device_action action) {
-    int ret = 0;
-
-    switch (action) {
-    case PM_DEVICE_ACTION_SUSPEND:
-        kscan_matrix_disable(dev);
-        break;
-    case PM_DEVICE_ACTION_RESUME:
-        kscan_matrix_enable(dev);
-        break;
-    default:
-        ret = -ENOTSUP;
-        break;
-    }
-
-    return ret;
-}
-
-#endif // IS_ENABLED(CONFIG_PM_DEVICE)
-
 static const struct kscan_driver_api kscan_matrix_api = {
     .config = kscan_matrix_configure,
     .enable_callback = kscan_matrix_enable,
@@ -488,9 +465,7 @@ static const struct kscan_driver_api kscan_matrix_api = {
         .diode_direction = INST_DIODE_DIR(n),                                                      \
     };                                                                                             \
                                                                                                    \
-    PM_DEVICE_DT_INST_DEFINE(n, kscan_matrix_pm_action);                                           \
-                                                                                                   \
-    DEVICE_DT_INST_DEFINE(n, &kscan_matrix_init, PM_DEVICE_DT_INST_GET(n), &kscan_matrix_data_##n, \
+    DEVICE_DT_INST_DEFINE(n, &kscan_matrix_init, NULL, &kscan_matrix_data_##n,                     \
                           &kscan_matrix_config_##n, POST_KERNEL, CONFIG_KSCAN_INIT_PRIORITY,       \
                           &kscan_matrix_api);