From: Imre Deak <[email protected]>
Date: Fri May 26 16:30:10 2006 -0700
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 <[email protected]>
Signed-off-by: Tony Lindgren <[email protected]>
Signed-off-by: David Brownell <[email protected]>
Index: osk/drivers/input/touchscreen/ads7846.c
===================================================================
--- osk.orig/drivers/input/touchscreen/ads7846.c 2006-12-22 11:08:45.000000000 -0800
+++ osk/drivers/input/touchscreen/ads7846.c 2006-12-22 11:08:46.000000000 -0800
@@ -773,6 +773,10 @@ static int __devinit ads7846_probe(struc
* 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();
-
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