On Thu, May 6, 2010 at 06:37, Oskar Schirmer wrote:
quoted text
> --- a/drivers/input/touchscreen/ad7877.c
> +++ b/drivers/input/touchscreen/ad7877.c
> @@ -669,6 +669,8 @@ static int __devinit ad7877_probe(struct spi_device *spi)
>                dev_dbg(&spi->dev, "SPI CLK %d Hz?\n",spi->max_speed_hz);
>                return -EINVAL;
>        }
> +       spi->bits_per_word = 16;
> +       spi_setup(spi);

i think it'd be a better idea to do something like:
  if (spi->bits_per_word != 16) {
    if (spi->bits_per_word) {
      dev_err(&spi->dev, "Invalid SPI settings; bits_per_word must be 16\n");
      return -EINVAL;
    }
    spi->bits_per_word = 16;
    spi_setup(spi);
  }
-mike
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