C++ (Cpp) omap_i2c_complete_cmdの例

コード例 #1

ファイル: i2c-omap.c プロジェクト: 1DeMaCr/android_hd_kernel_samsung_codina

static irqreturn_t
omap_i2c_rev1_isr(int this_irq, void *dev_id)
{
	struct omap_i2c_dev *dev = dev_id;
	u16 iv, w;

	if (dev->idle)
		return IRQ_NONE;

	iv = omap_i2c_read_reg(dev, OMAP_I2C_IV_REG);
	switch (iv) {
	case 0x00:	/* None */
		break;
	case 0x01:	/* Arbitration lost */
		dev_err(dev->dev, "Arbitration lost\n");
		omap_i2c_complete_cmd(dev, OMAP_I2C_STAT_AL);
		break;
	case 0x02:	/* No acknowledgement */
		omap_i2c_complete_cmd(dev, OMAP_I2C_STAT_NACK);
		omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, OMAP_I2C_CON_STP);
		break;
	case 0x03:	/* Register access ready */
		omap_i2c_complete_cmd(dev, 0);
		break;
	case 0x04:	/* Receive data ready */
		if (dev->buf_len) {
			w = omap_i2c_read_reg(dev, OMAP_I2C_DATA_REG);
			*dev->buf++ = w;
			dev->buf_len--;
			if (dev->buf_len) {
				*dev->buf++ = w >> 8;
				dev->buf_len--;
			}
		} else

コード例 #2

ファイル: i2c-omap.c プロジェクト: michaellass/lenovo_a1_07_kernel

static irqreturn_t
omap_i2c_rev1_isr(int this_irq, void *dev_id)
{
	struct omap_i2c_dev *dev = dev_id;
	u16 iv, w;

	if (dev->idle)
		return IRQ_NONE;

	iv = omap_i2c_read_reg(dev, OMAP_I2C_IV_REG);
	switch (iv) {
	case 0x00:	/* None */
		break;
/* <-- [email protected] delete arbitration mechanism for solving mg touch suspend/resume issue*/		
#if 0		
	case 0x01:	/* Arbitration lost */
		dev_err(dev->dev, "Arbitration lost\n");
		omap_i2c_complete_cmd(dev, OMAP_I2C_STAT_AL);
		break;
#endif		
/*  [email protected] delete arbitration mechanism for solving mg touch suspend/resume issue -->*/		
	case 0x02:	/* No acknowledgement */
		omap_i2c_complete_cmd(dev, OMAP_I2C_STAT_NACK);
		omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, OMAP_I2C_CON_STP);
		break;
	case 0x03:	/* Register access ready */
		omap_i2c_complete_cmd(dev, 0);
		break;
	case 0x04:	/* Receive data ready */
		if (dev->buf_len) {
			w = omap_i2c_read_reg(dev, OMAP_I2C_DATA_REG);
			*dev->buf++ = w;
			dev->buf_len--;
			if (dev->buf_len) {
				*dev->buf++ = w >> 8;
				dev->buf_len--;
			}
		} else