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Input: psmouse - fix button reporting for basic protocols 

The commit ba667650c5 ("Input: psmouse - clean up code") was pretty
brain-dead and broke extra buttons reporting for variety of PS/2 mice:
Genius, Thinkmouse and Intellimouse Explorer. We need to actually inspect
the data coming from the device when reporting events.

Fixes: ba667650c5 ("Input: psmouse - clean up code")
Reported-by: Jiri Slaby <jslaby@suse.cz>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
hifive-unleashed-5.1
Dmitry Torokhov 2018-06-25 12:02:40 -07:00
parent dd6bee81c9
commit 03ae3a9caf
1 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/input/mouse/psmouse-base.c
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@ -192,8 +192,8 @@ psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse)
else
input_report_rel(dev, REL_WHEEL, -wheel);
input_report_key(dev, BTN_SIDE, BIT(4));
input_report_key(dev, BTN_EXTRA, BIT(5));
input_report_key(dev, BTN_SIDE, packet[3] & BIT(4));
input_report_key(dev, BTN_EXTRA, packet[3] & BIT(5));
break;
}
break;
@ -203,13 +203,13 @@ psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse)
input_report_rel(dev, REL_WHEEL, -(s8) packet[3]);
/* Extra buttons on Genius NewNet 3D */
input_report_key(dev, BTN_SIDE, BIT(6));
input_report_key(dev, BTN_EXTRA, BIT(7));
input_report_key(dev, BTN_SIDE, packet[0] & BIT(6));
input_report_key(dev, BTN_EXTRA, packet[0] & BIT(7));
break;
case PSMOUSE_THINKPS:
/* Extra button on ThinkingMouse */
input_report_key(dev, BTN_EXTRA, BIT(3));
input_report_key(dev, BTN_EXTRA, packet[0] & BIT(3));
/*
* Without this bit of weirdness moving up gives wildly
@ -223,7 +223,7 @@ psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse)
* Cortron PS2 Trackball reports SIDE button in the
* 4th bit of the first byte.
*/
input_report_key(dev, BTN_SIDE, BIT(3));
input_report_key(dev, BTN_SIDE, packet[0] & BIT(3));
packet[0] |= BIT(3);
break;