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Subject[PATCH 2/2] input: add to kernel-api docbook
From: Randy Dunlap <randy.dunlap@oracle.com>

Add input subsystem to kernel-api docbook.
Enhance some function and parameter comments.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
---
Documentation/DocBook/kernel-api.tmpl | 8 ++++++++
drivers/input/ff-core.c | 4 ++--
drivers/input/ff-memless.c | 2 +-
drivers/input/input.c | 2 +-
include/linux/input.h | 18 +++++++++---------
5 files changed, 21 insertions(+), 13 deletions(-)

--- linux-2619-rc6g4.orig/include/linux/input.h
+++ linux-2619-rc6g4/include/linux/input.h
@@ -663,7 +663,7 @@ struct input_absinfo {
#define BUS_GSC 0x1A

/*
- * Values describing the status of an effect
+ * Values describing the status of a force-feedback effect
*/
#define FF_STATUS_STOPPED 0x00
#define FF_STATUS_PLAYING 0x01
@@ -680,7 +680,7 @@ struct input_absinfo {
*/

/**
- * struct ff_replay - defines scheduling of the effect
+ * struct ff_replay - defines scheduling of the force-feedback effect
* @length: duration of the effect
* @delay: delay before effect should start playing
*/
@@ -690,7 +690,7 @@ struct ff_replay {
};

/**
- * struct ff_trigger - defines what triggers the effect
+ * struct ff_trigger - defines what triggers the force-feedback effect
* @button: number of the button triggering the effect
* @interval: controls how soon the effect can be re-triggered
*/
@@ -700,7 +700,7 @@ struct ff_trigger {
};

/**
- * struct ff_envelope - generic effect envelope
+ * struct ff_envelope - generic force-feedback effect envelope
* @attack_length: duration of the attack (ms)
* @attack_level: level at the beginning of the attack
* @fade_length: duration of fade (ms)
@@ -719,7 +719,7 @@ struct ff_envelope {
};

/**
- * struct ff_constant_effect - defines parameters of a constant effect
+ * struct ff_constant_effect - defines parameters of a constant force-feedback effect
* @level: strength of the effect; may be negative
* @envelope: envelope data
*/
@@ -729,7 +729,7 @@ struct ff_constant_effect {
};

/**
- * struct ff_ramp_effect - defines parameters of a ramp effect
+ * struct ff_ramp_effect - defines parameters of a ramp force-feedback effect
* @start_level: beginning strength of the effect; may be negative
* @end_level: final strength of the effect; may be negative
* @envelope: envelope data
@@ -741,7 +741,7 @@ struct ff_ramp_effect {
};

/**
- * struct ff_condition_effect - defines a spring or friction effect
+ * struct ff_condition_effect - defines a spring or friction force-feedback effect
* @right_saturation: maximum level when joystick moved all way to the right
* @left_saturation: same for the left side
* @right_coeff: controls how fast the force grows when the joystick moves
@@ -762,7 +762,7 @@ struct ff_condition_effect {
};

/**
- * struct ff_periodic_effect - defines parameters of a periodic effect
+ * struct ff_periodic_effect - defines parameters of a periodic force-feedback effect
* @waveform: kind of the effect (wave)
* @period: period of the wave (ms)
* @magnitude: peak value
@@ -793,7 +793,7 @@ struct ff_periodic_effect {
};

/**
- * struct ff_rumble_effect - defines parameters of a periodic effect
+ * struct ff_rumble_effect - defines parameters of a periodic force-feedback effect
* @strong_magnitude: magnitude of the heavy motor
* @weak_magnitude: magnitude of the light one
*
--- linux-2619-rc6g4.orig/Documentation/DocBook/kernel-api.tmpl
+++ linux-2619-rc6g4/Documentation/DocBook/kernel-api.tmpl
@@ -559,4 +559,12 @@ X!Idrivers/video/console/fonts.c
-->
</sect1>
</chapter>
+
+ <chapter id="input_subsystem">
+ <title>Input Subsystem</title>
+!Iinclude/linux/input.h
+!Edrivers/input/input.c
+!Edrivers/input/ff-core.c
+!Edrivers/input/ff-memless.c
+ </chapter>
</book>
--- linux-2619-rc6g4.orig/drivers/input/ff-core.c
+++ linux-2619-rc6g4/drivers/input/ff-core.c
@@ -203,7 +203,7 @@ static int erase_effect(struct input_dev
}

/**
- * input_ff_erase - erase an effect from device
+ * input_ff_erase - erase a force-feedback effect from device
* @dev: input device to erase effect from
* @effect_id: id of the ffect to be erased
* @file: purported owner of the request
@@ -347,7 +347,7 @@ EXPORT_SYMBOL_GPL(input_ff_create);

/**
* input_ff_free() - frees force feedback portion of input device
- * @dev: input device supporintg force feedback
+ * @dev: input device supporting force feedback
*
* This function is only needed in error path as input core will
* automatically free force feedback structures when device is
--- linux-2619-rc6g4.orig/drivers/input/ff-memless.c
+++ linux-2619-rc6g4/drivers/input/ff-memless.c
@@ -460,7 +460,7 @@ static void ml_ff_destroy(struct ff_devi
}

/**
- * input_ff_create_memless() - create memoryless FF device
+ * input_ff_create_memless() - create memoryless force-feedback device
* @dev: input device supporting force-feedback
* @data: driver-specific data to be passed into @play_effect
* @play_effect: driver-specific method for playing FF effect
--- linux-2619-rc6g4.orig/drivers/input/input.c
+++ linux-2619-rc6g4/drivers/input/input.c
@@ -37,7 +37,7 @@ static struct input_handler *input_table

/**
* input_event() - report new input event
- * @handle: device that generated the event
+ * @dev: device that generated the event
* @type: type of the event
* @code: event code
* @value: value of the event

---
-
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