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Input: ALPS - use function pointers for different protocol handlers

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In anticipation of adding more ALPS protocols and more per-device quirks,
use function pointers instead of switch statements to call functions that
differ from one device to the next.

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Tested-by: Dave Turvene <dturvene@dahetral.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Kevin Cernekee
2013-02-13 22:22:08 -08:00
committed by Dmitry Torokhov
parent b5d6b851ea
commit 24af5cb95f
2 changed files with 54 additions and 54 deletions
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7
drivers/input/mouse/alps.h
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@@ -72,6 +72,9 @@ struct alps_nibble_commands {
* mask0, should match byte0.
* @mask0: The mask used to check the first byte of the report.
* @flags: Additional device capabilities (passthrough port, trackstick, etc.).
* @hw_init: Protocol-specific hardware init function.
* @process_packet: Protocol-specific function to process a report packet.
* @set_abs_params: Protocol-specific function to configure the input_dev.
* @prev_fin: Finger bit from previous packet.
* @multi_packet: Multi-packet data in progress.
* @multi_data: Saved multi-packet data.
@@ -94,6 +97,10 @@ struct alps_data {
unsigned char byte0, mask0;
unsigned char flags;
int (*hw_init)(struct psmouse *psmouse);
void (*process_packet)(struct psmouse *psmouse);
void (*set_abs_params)(struct alps_data *priv, struct input_dev *dev1);
int prev_fin;
int multi_packet;
unsigned char multi_data[6];