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authorImre Deak <imre.deak@nokia.com>2007-01-18 06:45:38 +0100
committerDmitry Torokhov <dtor@insightbb.com>2007-01-18 06:45:38 +0100
commit7937e86a70235e1584486654687dc9908a11e00a (patch)
tree4381415197f0257a2abfc20fc55f94a33869c73b /drivers/input
parentInput: ads7846 - switch to using hrtimer (diff)
downloadlinux-7937e86a70235e1584486654687dc9908a11e00a.tar.xz
linux-7937e86a70235e1584486654687dc9908a11e00a.zip
Input: ads7846 - select correct SPI mode
Talk to ADS7846 chip using SPI mode 1, which is what the chip supports: writes on falling clock edge, reads on rising. Signed-off-by: Imre Deak <imre.deak@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input')
-rw-r--r--drivers/input/touchscreen/ads7846.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index d983cc51ad32..11979be33589 100644
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -710,6 +710,10 @@ static int __devinit 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_1;
+ err = spi_setup(spi);
+ if (err < 0)
+ return err;
ts = kzalloc(sizeof(struct ads7846), GFP_KERNEL);
input_dev = input_allocate_device();