rg_i2c: Revert some accidental changes from d7811ec

Author: ducalex

components/retro-go/rg_i2c.c

@@ -131,15 +131,7 @@ bool rg_i2c_write_byte(uint8_t addr, uint8_t reg, uint8_t value)
 typedef struct {int input_reg, output_reg, direction_reg, pullup_reg;} _gpio_port;
 typedef struct {uint8_t reg, value;} _gpio_sequence;
 
-#if RG_I2C_GPIO_DRIVER == 0 // None/testing
-
-static const _gpio_port gpio_ports[] = {
-    {-1, -1, -1, -1},
-};
-static const _gpio_sequence gpio_init_seq[] = {};
-static const _gpio_sequence gpio_deinit_seq[] = {};
-
-#elif RG_I2C_GPIO_DRIVER == 1 // AW9523
+#if RG_I2C_GPIO_DRIVER == 1 // AW9523
 
 static const _gpio_port gpio_ports[] = {
     {0x00, 0x02, 0x04, -1}, // PORT 0

components/retro-go/targets/esplay-micro/config.h

@@ -10,7 +10,7 @@
 // #define RG_STORAGE_FLASH_PARTITION  "vfs"
 
 // GPIO Extender
-#define RG_I2C_GPIO_DRIVER          0   // 1 = AW9523, 2 = PCF9539, 3 = MCP23017
+// #define RG_I2C_GPIO_DRIVER          0   // 1 = AW9523, 2 = PCF9539, 3 = MCP23017
 #define RG_I2C_GPIO_ADDR            0x20
 
 // Audio

components/retro-go/targets/esplay-s3/config.h

@@ -10,7 +10,7 @@
 // #define RG_STORAGE_FLASH_PARTITION  "vfs"
 
 // GPIO Extender
-#define RG_I2C_GPIO_DRIVER          0   // 1 = AW9523, 2 = PCF9539, 3 = MCP23017
+// #define RG_I2C_GPIO_DRIVER          0   // 1 = AW9523, 2 = PCF9539, 3 = MCP23017
 #define RG_I2C_GPIO_ADDR            0x20
 
 // Audio

components/retro-go/targets/mrgc-g32/config.h

@@ -10,7 +10,7 @@
 // #define RG_STORAGE_FLASH_PARTITION  "vfs"
 
 // GPIO Extender
-#define RG_I2C_GPIO_DRIVER          0   // 1 = AW9523, 2 = PCF9539, 3 = MCP23017
+// #define RG_I2C_GPIO_DRIVER          0   // 1 = AW9523, 2 = PCF9539, 3 = MCP23017
 #define RG_I2C_GPIO_ADDR            0x20
 
 // Audio

components/retro-go/targets/mrgc-gbm/config.h

@@ -10,7 +10,7 @@
 // #define RG_STORAGE_FLASH_PARTITION  "vfs"
 
 // GPIO Extender
-#define RG_I2C_GPIO_DRIVER          0   // 1 = AW9523, 2 = PCF9539, 3 = MCP23017
+// #define RG_I2C_GPIO_DRIVER          0   // 1 = AW9523, 2 = PCF9539, 3 = MCP23017
 #define RG_I2C_GPIO_ADDR            0x20
 
 // Audio