Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756380AbZFVNij (ORCPT ); Mon, 22 Jun 2009 09:38:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752357AbZFVNiT (ORCPT ); Mon, 22 Jun 2009 09:38:19 -0400 Received: from buzzloop.caiaq.de ([212.112.241.133]:50740 "EHLO buzzloop.caiaq.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752003AbZFVNiS (ORCPT ); Mon, 22 Jun 2009 09:38:18 -0400 From: Daniel Mack To: linux-kernel@vger.kernel.org Cc: Daniel Mack , Pavel Machek , Eric Piel , Andrew Morton Subject: [PATCH 2/4] lis3: add free-fall/wakeup function via platform_data Date: Mon, 22 Jun 2009 15:38:06 +0200 Message-Id: <1245677888-16634-2-git-send-email-daniel@caiaq.de> X-Mailer: git-send-email 1.6.3.1 In-Reply-To: <1245677888-16634-1-git-send-email-daniel@caiaq.de> References: <1245677888-16634-1-git-send-email-daniel@caiaq.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3272 Lines: 116 This offers a way for platforms to define flags and thresholds for the free-fall/wakeup functions of the lis302d chips. More registers needed to be seperated as they are specific to the different models. Signed-off-by: Daniel Mack Cc: Pavel Machek Cc: Eric Piel Cc: Andrew Morton --- drivers/hwmon/lis3lv02d.c | 9 +++++++++ drivers/hwmon/lis3lv02d.h | 24 ++++++++++++++++++------ include/linux/lis3lv02d.h | 9 +++++++++ 3 files changed, 36 insertions(+), 6 deletions(-) diff --git a/drivers/hwmon/lis3lv02d.c b/drivers/hwmon/lis3lv02d.c index 271338b..cf5afb9 100644 --- a/drivers/hwmon/lis3lv02d.c +++ b/drivers/hwmon/lis3lv02d.c @@ -454,6 +454,15 @@ int lis3lv02d_init_device(struct lis3lv02d *dev) (p->click_thresh_y << 4)); } + if (p->wakeup_flags && (dev->whoami == LIS_SINGLE_ID)) { + dev->write(dev, FF_WU_CFG_1, p->wakeup_flags); + dev->write(dev, FF_WU_THS_1, p->wakeup_thresh & 0x7f); + /* default to 2.5ms for now */ + dev->write(dev, FF_WU_DURATION_1, 1); + /* enable high pass filter for both free-fall units */ + dev->write(dev, CTRL_REG2, HP_FF_WU1 | HP_FF_WU2); + } + if (p->irq_cfg) dev->write(dev, CTRL_REG3, p->irq_cfg); } diff --git a/drivers/hwmon/lis3lv02d.h b/drivers/hwmon/lis3lv02d.h index e320e2f..3e1ff46 100644 --- a/drivers/hwmon/lis3lv02d.h +++ b/drivers/hwmon/lis3lv02d.h @@ -58,15 +58,17 @@ enum lis3_reg { OUTZ_L = 0x2C, OUTZ_H = 0x2D, OUTZ = 0x2D, - FF_WU_CFG = 0x30, - FF_WU_SRC = 0x31, - FF_WU_ACK = 0x32, - FF_WU_THS_L = 0x34, - FF_WU_THS_H = 0x35, - FF_WU_DURATION = 0x36, }; enum lis302d_reg { + FF_WU_CFG_1 = 0x30, + FF_WU_SRC_1 = 0x31, + FF_WU_THS_1 = 0x32, + FF_WU_DURATION_1 = 0x33, + FF_WU_CFG_2 = 0x34, + FF_WU_SRC_2 = 0x35, + FF_WU_THS_2 = 0x36, + FF_WU_DURATION_2 = 0x37, CLICK_CFG = 0x38, CLICK_SRC = 0x39, CLICK_THSY_X = 0x3B, @@ -77,6 +79,12 @@ enum lis302d_reg { }; enum lis3lv02d_reg { + FF_WU_CFG = 0x30, + FF_WU_SRC = 0x31, + FF_WU_ACK = 0x32, + FF_WU_THS_L = 0x34, + FF_WU_THS_H = 0x35, + FF_WU_DURATION = 0x36, DD_CFG = 0x38, DD_SRC = 0x39, DD_ACK = 0x3A, @@ -107,6 +115,10 @@ enum lis3lv02d_ctrl2 { CTRL2_FS = 0x80, /* Full Scale selection */ }; +enum lis302d_ctrl2 { + HP_FF_WU2 = 0x08, + HP_FF_WU1 = 0x04, +}; enum lis3lv02d_ctrl3 { CTRL3_CFS0 = 0x01, diff --git a/include/linux/lis3lv02d.h b/include/linux/lis3lv02d.h index 113778b..3cc2f2c 100644 --- a/include/linux/lis3lv02d.h +++ b/include/linux/lis3lv02d.h @@ -34,6 +34,15 @@ struct lis3lv02d_platform_data { #define LIS3_IRQ_OPEN_DRAIN (1 << 6) #define LIS3_IRQ_ACTIVE_LOW (1 << 7) unsigned char irq_cfg; + +#define LIS3_WAKEUP_X_LO (1 << 0) +#define LIS3_WAKEUP_X_HI (1 << 1) +#define LIS3_WAKEUP_Y_LO (1 << 2) +#define LIS3_WAKEUP_Y_HI (1 << 3) +#define LIS3_WAKEUP_Z_LO (1 << 4) +#define LIS3_WAKEUP_Z_HI (1 << 5) + unsigned char wakeup_flags; + unsigned char wakeup_thresh; }; #endif /* __LIS3LV02D_H_ */ -- 1.6.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/