Messages in this thread Patch in this message | | | From | Linus Walleij <> | Subject | [PATCH] mfd: stmpe: fix STMPE24xx GPMR LSB | Date | Sat, 4 Oct 2014 16:02:27 +0200 |
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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> --- Hi Lee, Sam: this should go in for fixes I think. --- drivers/mfd/stmpe.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mfd/stmpe.h b/drivers/mfd/stmpe.h index 2d045f26f193..bee0abf82040 100644 --- a/drivers/mfd/stmpe.h +++ b/drivers/mfd/stmpe.h @@ -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 -- 1.9.3
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