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Input: ALPS - split protocol data from model info

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In preparation of reworking the way we set protocol parameters let's
split certain protocol items from alps_model_info into a separate
structure.

Tested-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Dmitry Torokhov
2015-01-13 21:08:00 -08:00
parent fb2dd7a61d
commit 8326bb5741
2 changed files with 46 additions and 38 deletions
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26
drivers/input/mouse/alps.h
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@@ -46,6 +46,21 @@ enum V7_PACKET_ID {
V7_PACKET_ID_UNKNOWN,
};
/**
* struct alps_protocol_info - information about protocol used by a device
* @version: Indicates V1/V2/V3/...
* @byte0: Helps figure out whether a position report packet matches the
* known format for this model. The first byte of the report, ANDed with
* mask0, should match byte0.
* @mask0: The mask used to check the first byte of the report.
* @flags: Additional device capabilities (passthrough port, trackstick, etc.).
*/
struct alps_protocol_info {
u16 version;
u8 byte0, mask0;
unsigned int flags;
};
/**
* struct alps_model_info - touchpad ID table
* @signature: E7 response string to match.
@@ -53,12 +68,7 @@ enum V7_PACKET_ID {
* (aka command mode response) identifies the firmware minor version. This
* can be used to distinguish different hardware models which are not
* uniquely identifiable through their E7 responses.
* @proto_version: Indicates V1/V2/V3/...
* @byte0: Helps figure out whether a position report packet matches the
* known format for this model. The first byte of the report, ANDed with
* mask0, should match byte0.
* @mask0: The mask used to check the first byte of the report.
* @flags: Additional device capabilities (passthrough port, trackstick, etc.).
* @protocol_info: information about protcol used by the device.
*
* Many (but not all) ALPS touchpads can be identified by looking at the
* values returned in the "E7 report" and/or the "EC report." This table
@@ -67,9 +77,7 @@ enum V7_PACKET_ID {
struct alps_model_info {
u8 signature[3];
u8 command_mode_resp;
u16 proto_version;
u8 byte0, mask0;
unsigned int flags;
struct alps_protocol_info protocol_info;
};
/**