diff options
Diffstat (limited to 'drivers/input/mouse/psmouse-base.c')
| -rw-r--r-- | drivers/input/mouse/psmouse-base.c | 41 |
1 files changed, 38 insertions, 3 deletions
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c index bee267424972..a598b7223cef 100644 --- a/drivers/input/mouse/psmouse-base.c +++ b/drivers/input/mouse/psmouse-base.c @@ -127,6 +127,13 @@ struct psmouse_protocol { int (*init)(struct psmouse *); }; +static void psmouse_report_standard_buttons(struct input_dev *dev, u8 buttons) +{ + input_report_key(dev, BTN_LEFT, buttons & BIT(0)); + input_report_key(dev, BTN_MIDDLE, buttons & BIT(2)); + input_report_key(dev, BTN_RIGHT, buttons & BIT(1)); +} + /* * psmouse_process_byte() analyzes the PS/2 data stream and reports * relevant events to the input module once full packet has arrived. @@ -199,9 +206,8 @@ psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse) } /* Generic PS/2 Mouse */ - input_report_key(dev, BTN_LEFT, packet[0] & 1); - input_report_key(dev, BTN_MIDDLE, (packet[0] >> 2) & 1); - input_report_key(dev, BTN_RIGHT, (packet[0] >> 1) & 1); + psmouse_report_standard_buttons(dev, + packet[0] | psmouse->extra_buttons); input_report_rel(dev, REL_X, packet[1] ? (int) packet[1] - (int) ((packet[0] << 4) & 0x100) : 0); input_report_rel(dev, REL_Y, packet[2] ? (int) ((packet[0] << 3) & 0x100) - (int) packet[2] : 0); @@ -282,6 +288,30 @@ static int psmouse_handle_byte(struct psmouse *psmouse) return 0; } +static void psmouse_handle_oob_data(struct psmouse *psmouse, u8 data) +{ + switch (psmouse->oob_data_type) { + case PSMOUSE_OOB_NONE: + psmouse->oob_data_type = data; + break; + + case PSMOUSE_OOB_EXTRA_BTNS: + psmouse_report_standard_buttons(psmouse->dev, data); + input_sync(psmouse->dev); + + psmouse->extra_buttons = data; + psmouse->oob_data_type = PSMOUSE_OOB_NONE; + break; + + default: + psmouse_warn(psmouse, + "unknown OOB_DATA type: 0x%02x\n", + psmouse->oob_data_type); + psmouse->oob_data_type = PSMOUSE_OOB_NONE; + break; + } +} + /* * psmouse_interrupt() handles incoming characters, either passing them * for normal processing or gathering them as command response. @@ -306,6 +336,11 @@ static irqreturn_t psmouse_interrupt(struct serio *serio, goto out; } + if (flags & SERIO_OOB_DATA) { + psmouse_handle_oob_data(psmouse, data); + goto out; + } + if (unlikely(psmouse->ps2dev.flags & PS2_FLAG_ACK)) if (ps2_handle_ack(&psmouse->ps2dev, data)) goto out; |