diff options
| author | Zhang Jiejing <jiejing.zhang@freescale.com> | 2011-06-07 15:33:54 +0800 |
|---|---|---|
| committer | Zhang Jiejing <jiejing.zhang@freescale.com> | 2011-06-20 00:39:27 -0500 |
| commit | 357d152b6517cdae7f675d93354c48c05db7d87b (patch) | |
| tree | 1e32b950d04cb0daa4800d05229597a4084384b4 /include | |
| parent | 27618e493b92b2e0d7a75a4399dcee910681ff27 (diff) | |
ENGR00151167 input: mpr121: add debug function and improve sensitivity
improve mpr121 capacitive key sensitivity by change threshold of
release and touch and add a quick charge bit in init which is not
documented in MPR121's data sheet.
move macro define from header to source file.
Signed-off-by: Zhang Jiejing <jiejing.zhang@freescale.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/i2c/mpr.h | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/include/linux/i2c/mpr.h b/include/linux/i2c/mpr.h index ded00db775f3..dc47e96d79f8 100644 --- a/include/linux/i2c/mpr.h +++ b/include/linux/i2c/mpr.h @@ -19,50 +19,6 @@ #ifndef MPR_H #define MPR_H -/* Register definitions */ -#define ELE_TOUCH_STATUS_0_ADDR 0x0 -#define ELE_TOUCH_STATUS_1_ADDR 0X1 -#define MHD_RISING_ADDR 0x2b -#define NHD_RISING_ADDR 0x2c -#define NCL_RISING_ADDR 0x2d -#define FDL_RISING_ADDR 0x2e -#define MHD_FALLING_ADDR 0x2f -#define NHD_FALLING_ADDR 0x30 -#define NCL_FALLING_ADDR 0x31 -#define FDL_FALLING_ADDR 0x32 -#define ELE0_TOUCH_THRESHOLD_ADDR 0x41 -#define ELE0_RELEASE_THRESHOLD_ADDR 0x42 -/* ELE0...ELE11's threshold will set in a loop */ -#define AFE_CONF_ADDR 0x5c -#define FILTER_CONF_ADDR 0x5d - -/* ELECTRODE_CONF: this register is most important register, it - * control how many of electrode is enabled. If you set this register - * to 0x0, it make the sensor going to suspend mode. Other value(low - * bit is non-zero) will make the sensor into Run mode. This register - * should be write at last. - */ -#define ELECTRODE_CONF_ADDR 0x5e -#define AUTO_CONFIG_CTRL_ADDR 0x7b -/* AUTO_CONFIG_USL: Upper Limit for auto baseline search, this - * register is related to VDD supplied on your board, the value of - * this register is calc by EQ: `((VDD-0.7)/VDD) * 256`. - * AUTO_CONFIG_LSL: Low Limit of auto baseline search. This is 65% of - * USL AUTO_CONFIG_TL: The Traget Level of auto baseline search, This - * is 90% of USL */ -#define AUTO_CONFIG_USL_ADDR 0x7d -#define AUTO_CONFIG_LSL_ADDR 0x7e -#define AUTO_CONFIG_TL_ADDR 0x7f - -/* Threshold of touch/release trigger */ -#define TOUCH_THRESHOLD 0x0f -#define RELEASE_THRESHOLD 0x0a -/* Mask Button bits of STATUS_0 & STATUS_1 register */ -#define TOUCH_STATUS_MASK 0xfff -/* MPR121 have 12 electrodes */ -#define MPR121_MAX_KEY_COUNT 12 - - /** * @keycount: how many key maped * @vdd_uv: voltage of vdd supply the chip in uV |