Messages in this thread Patch in this message | | | From | Oleksij Rempel <> | Subject | [PATCH v2 2/2] Input: ads7846: do not overwrite spi->mode flags set by spi framework | Date | Tue, 27 Oct 2020 10:57:24 +0100 |
| |
Do not overwrite spi->mode flags set by spi framework, otherwise the chip select polarity will get lost.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> --- drivers/input/touchscreen/ads7846.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c index 8fd7fc39c4fd..f2dc2c8ab5ec 100644 --- a/drivers/input/touchscreen/ads7846.c +++ b/drivers/input/touchscreen/ads7846.c @@ -1288,7 +1288,8 @@ static int ads7846_probe(struct spi_device *spi) * may not. So we stick to very-portable 8 bit words, both RX and TX. */ spi->bits_per_word = 8; - spi->mode = SPI_MODE_0; + spi->mode &= ~SPI_MODE_X_MASK; + spi->mode |= SPI_MODE_0; err = spi_setup(spi); if (err < 0) return err; -- 2.28.0
| |