C++ (Cpp) spi_imx_chipselect Beispiele

Beispiel #1

Datei: spi-imx.c Projekt: acton393/linux

static int spi_imx_setup(struct spi_device *spi)
{
	dev_dbg(&spi->dev, "%s: mode %d, %u bpw, %d hz\n", __func__,
		 spi->mode, spi->bits_per_word, spi->max_speed_hz);

	if (gpio_is_valid(spi->cs_gpio))
		gpio_direction_output(spi->cs_gpio,
				      spi->mode & SPI_CS_HIGH ? 0 : 1);

	spi_imx_chipselect(spi, BITBANG_CS_INACTIVE);

	return 0;
}

Beispiel #2

Datei: spi-imx.c Projekt: 0xroot/Blackphone-BP1-Kernel

static int spi_imx_setup(struct spi_device *spi)
{
	struct spi_imx_data *spi_imx = spi_master_get_devdata(spi->master);
	int gpio = spi_imx->chipselect[spi->chip_select];

	dev_dbg(&spi->dev, "%s: mode %d, %u bpw, %d hz\n", __func__,
		 spi->mode, spi->bits_per_word, spi->max_speed_hz);

	if (gpio >= 0)
		gpio_direction_output(gpio, spi->mode & SPI_CS_HIGH ? 0 : 1);

	spi_imx_chipselect(spi, BITBANG_CS_INACTIVE);

	return 0;
}