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Input: alps - cache firmware version 

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Hans de Goede 2014-07-25 22:49:14 -07:00 committed by Dmitry Torokhov
parent 38c11eaaab
commit c0cd17f6dc
2 changed files with 5 additions and 0 deletions
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3
drivers/input/mouse/alps.c
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@ -1901,6 +1901,9 @@ static int alps_identify(struct psmouse *psmouse, struct alps_data *priv)
alps_exit_command_mode(psmouse))
return -EIO;
/* Save the Firmware version */
memcpy(priv->fw_ver, ec, 3);
if (alps_match_table(psmouse, priv, e7, ec) == 0) {
return 0;
} else if (e7[0] == 0x73 && e7[1] == 0x03 && e7[2] == 0x50 &&

2
drivers/input/mouse/alps.h
View File

@ -124,6 +124,7 @@ struct alps_fields {
* 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.
* @fw_ver: cached copy of firmware version (EC report)
* @flags: Additional device capabilities (passthrough port, trackstick, etc.).
* @x_max: Largest possible X position value.
* @y_max: Largest possible Y position value.
@ -149,6 +150,7 @@ struct alps_data {
int addr_command;
unsigned char proto_version;
unsigned char byte0, mask0;
unsigned char fw_ver[3];
int flags;
int x_max;
int y_max;