On Monday 01 September 2008 18:47, Mark Brown wrote:
> From: Cliff Cai <cliff.cai@xxxxxxxxxx>
>
> [Modified to allow runtime selection between I2C and SPI and to select
> SPI_MASTER for all codecs build so this is included. -- broonie]
>
> Signed-off-by: Cliff Cai <cliff.cai@xxxxxxxxxx>
> Signed-off-by: Bryan Wu <cooloney@xxxxxxxxxx>
> Signed-off-by: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
> ---
What architecture has this SPI code been tested on? Specifically, what
endianess?
> --- a/sound/soc/codecs/wm8731.c
> +++ b/sound/soc/codecs/wm8731.c
> +static int wm8731_spi_write(struct spi_device *spi, const char *data, int
> len) +{
> + struct spi_transfer t;
> + struct spi_message m;
> + u16 msg[2];
> +
> + if (len <= 0)
> + return 0;
> +
> + msg[0] = (data[0] << 8) + data[1];
> +
> + spi_message_init(&m);
> + memset(&t, 0, (sizeof t));
> +
> + t.tx_buf = &msg[0];
> + t.len = len;
> +
> + spi_message_add_tail(&t, &m);
> + spi_sync(spi, &m);
> +
> + return len;
> +}
Is this _spi_write arch BE/LE proof?
Alan
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