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Date: Fri, 22 Oct 2010 14:57:33 +0300
From: Samu Onkalo <samu.p.onkalo@...ia.com>
To: eric.piel@...mplin-utc.net, khali@...ux-fr.org,
guenter.roeck@...csson.com, jic23@....ac.uk
Cc: lm-sensors@...sensors.org, linux-i2c@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH 11/12] hwmon: lis3: Short explanations of platform data fields
Short documentation at kernel doc format.
Signed-off-by: Samu Onkalo <samu.p.onkalo@...ia.com>
---
include/linux/lis3lv02d.h | 41 +++++++++++++++++++++++++++++++++++++++++
1 files changed, 41 insertions(+), 0 deletions(-)
diff --git a/include/linux/lis3lv02d.h b/include/linux/lis3lv02d.h
index c949612..da294cd 100644
--- a/include/linux/lis3lv02d.h
+++ b/include/linux/lis3lv02d.h
@@ -1,6 +1,47 @@
#ifndef __LIS3LV02D_H_
#define __LIS3LV02D_H_
+/**
+ * struct lis3lv02d_platform_data - lis3 chip family platform data
+ * @click_flags: Click detection unit configuration
+ * @click_thresh_x: Click detection unit x axis treshold
+ * @click_thresh_y: Click detection unit y axis treshold
+ * @click_thresh_z: Click detection unit z axis treshold
+ * @click_time_limit: Click detection unit time parameter
+ * @click_latency: Click detection unit latency parameter
+ * @click_window: Click detection unit window parameter
+ * @irq_cfg: On chip irq configuration (click / data available / wu)
+ * @irq_flags1: Additional irq triggering flags for irq channel 0
+ * @irq_flags2: Additional irq triggering flags for irq channel 1
+ * @duration1: Wake up unit 1 duration parameter
+ * @duration2: Wake up unit 2 duration parameter
+ * @wakeup_flags: Wakeup unit 1 flags
+ * @wakeup_thresh: Wakeup unit 1 threshold value
+ * @wakeup_flags2: Wakeup unit 2 flags
+ * @wakeup_thresh2: Wakeup unit 2 threshold value
+ * @hipass_ctrl: Hi-pass filter control
+ * @axis_x: Remap parameter for x-axis
+ * @axis_y: Remap parameter for y-axis
+ * @axis_z: Remap parameter for z-axis
+ * @driver_features: Enable bits for different features. Disabled by default
+ * @default_rate: Default sampling rate. 0 means reset default
+ * @setup_resources: Interrupt line setup call back function
+ * @release_resources: Interrupt line release call back function
+ * @st_min_limits[3]: Selftest acceptance minimum values
+ * @st_max_limits[3]: Selftest accepratnce maximum values
+ * @irq2: Irq line 2 number
+ *
+ * Platform data is used to setup the sensor chip. Meaning of the different
+ * chip features can be found from the data sheet. Currently the data is used
+ * only for the 8 bit device. The 8 bit device has two wake up / free fall
+ * detection units and click detection unit. There are plenty of ways to
+ * configure the chip which makes is quite impossible to explain meaning of the
+ * fields here. Behaviour of the detection blocks varies heavily depending
+ * on the configuration. Irq_flags can be used to enable interrupt detection
+ * on the both edges. With proper chip configuration this produces interrupt
+ * when some trigger starts and when it goes away.
+ */
+
struct lis3lv02d_platform_data {
/* please note: the 'click' feature is only supported for
* LIS[32]02DL variants of the chip and will be ignored for
--
1.6.0.4
--
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