redonkable/remarkable-linux
redonkable/remarkable-linux
1
0
Fork 0
Code Releases Activity

mfd: stmpe: Fix STMPE24xx GPMR LSB

Browse source 
The least significat byte of the GPIO value read register
on the STMPE24xx series is on addres 0xA4 not 0xA5. Correct
against datasheet and tested on the STMPE2401 hardware.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Linus Walleij 2014-10-04 16:02:27 +02:00 committed by Lee Jones
parent f114040e3e
commit 871c3cf4ea
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
drivers/mfd/stmpe.h
View file

@ -269,7 +269,7 @@ int stmpe_remove(struct stmpe *stmpe);
#define STMPE24XX_REG_CHIP_ID 0x80
#define STMPE24XX_REG_IEGPIOR_LSB 0x18
#define STMPE24XX_REG_ISGPIOR_MSB 0x19
#define STMPE24XX_REG_GPMR_LSB 0xA5
#define STMPE24XX_REG_GPMR_LSB 0xA4
#define STMPE24XX_REG_GPSR_LSB 0x85
#define STMPE24XX_REG_GPCR_LSB 0x88
#define STMPE24XX_REG_GPDR_LSB 0x8B