C++ (Cpp) imx_keypad_config Examples

Example #1

File: imx_keypad.c Project: CSCLOG/beaglebone

static int imx_keypad_open(struct input_dev *dev)
{
	struct imx_keypad *keypad = input_get_drvdata(dev);

	dev_dbg(&dev->dev, ">%s\n", __func__);

	/* We became active from now */
	keypad->enabled = true;

	/* Enable the kpp clock */
	clk_enable(keypad->clk);
	imx_keypad_config(keypad);

	/* Sanity control, not all the rows must be actived now. */
	if ((readw(keypad->mmio_base + KPDR) & keypad->rows_en_mask) == 0) {
		dev_err(&dev->dev,
			"too many keys pressed, control pins initialisation\n");
		goto open_err;
	}

	return 0;

open_err:
	imx_keypad_close(dev);
	return -EIO;
}

Example #2

File: imx_keypad.c Project: DirtyDroidX/android_kernel_htc_m8ul

static int imx_keypad_open(struct input_dev *dev)
{
	struct imx_keypad *keypad = input_get_drvdata(dev);

	dev_dbg(&dev->dev, ">%s\n", __func__);

	
	keypad->enabled = true;

	
	clk_enable(keypad->clk);
	imx_keypad_config(keypad);

	
	if ((readw(keypad->mmio_base + KPDR) & keypad->rows_en_mask) == 0) {
		dev_err(&dev->dev,
			"too many keys pressed, control pins initialisation\n");
		goto open_err;
	}

	return 0;

open_err:
	imx_keypad_close(dev);
	return -EIO;
}