WhyCan Forum(哇酷开发者社区)

my-keypad
	{
		compatible = "gpio-matrix-keypad";
		status = "okay";
		debounce-delay-ms = <10>;
		col-scan-delay-us = <200>;
        	linux,no-autorepeat;
		col-gpios = <
		         &pio 4 22 0
		         &pio 4 21 0
			 &pio 4 20 0
			 &pio 1 7 0
				 >;
		row-gpios = <
			&pio 6 5 0
			&pio 2 3 0
			&pio 2 2 0
			&pio 2 0 0 	
			&pio 2 1 0 
			     >;
		
		linux,keymap = <
				MATRIX_KEY(0,0,KEY_1)//4K
				MATRIX_KEY(0,1,KEY_2)//VESA
				MATRIX_KEY(0,2,KEY_3)//PATTERN
				MATRIX_KEY(0,3,KEY_4)//SINK INFO
				MATRIX_KEY(1,0,KEY_5)//8K
				MATRIX_KEY(1,1,KEY_6)//HD
				MATRIX_KEY(1,2,KEY_7)//HDR
				MATRIX_KEY(1,3,KEY_8)//HDCP
				MATRIX_KEY(2,0,KEY_9)//MUTE
				MATRIX_KEY(2,1,KEY_0)//AUDIO
				MATRIX_KEY(2,2,KEY_OK)
				MATRIX_KEY(2,3,KEY_EXIT)
				MATRIX_KEY(3,0,KEY_UP)
				MATRIX_KEY(3,1,KEY_RIGHT)
				MATRIX_KEY(3,2,KEY_LEFT)
				MATRIX_KEY(3,3,KEY_DOWN)
				MATRIX_KEY(4,0,KEY_F1)//EDIT
				MATRIX_KEY(4,1,KEY_F2)//MONITOR
				MATRIX_KEY(4,2,KEY_F3)//SIGNAL INFO
				MATRIX_KEY(4,3,KEY_F4)//ERROR RATE
				>;
	};

static int matrix_keypad_probe(struct platform_device *pdev)
{
        const struct matrix_keypad_platform_data *pdata;
        struct matrix_keypad *keypad;
        struct input_dev *input_dev;
        int err;

        pdata = dev_get_platdata(&pdev->dev);