diff options
Diffstat (limited to 'drivers/input/rmi4/rmi_f03.c')
| -rw-r--r-- | drivers/input/rmi4/rmi_f03.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/input/rmi4/rmi_f03.c b/drivers/input/rmi4/rmi_f03.c index 9a1b099b72e0..77dad045a468 100644 --- a/drivers/input/rmi4/rmi_f03.c +++ b/drivers/input/rmi4/rmi_f03.c @@ -26,15 +26,53 @@ #define RMI_F03_BYTES_PER_DEVICE_SHIFT 4 #define RMI_F03_QUEUE_LENGTH 0x0F +#define PSMOUSE_OOB_EXTRA_BTNS 0x01 + struct f03_data { struct rmi_function *fn; struct serio *serio; + unsigned int overwrite_buttons; + u8 device_count; u8 rx_queue_length; }; +int rmi_f03_overwrite_button(struct rmi_function *fn, unsigned int button, + int value) +{ + struct f03_data *f03 = dev_get_drvdata(&fn->dev); + unsigned int bit; + + if (button < BTN_LEFT || button > BTN_MIDDLE) + return -EINVAL; + + bit = BIT(button - BTN_LEFT); + + if (value) + f03->overwrite_buttons |= bit; + else + f03->overwrite_buttons &= ~bit; + + return 0; +} + +void rmi_f03_commit_buttons(struct rmi_function *fn) +{ + struct f03_data *f03 = dev_get_drvdata(&fn->dev); + struct serio *serio = f03->serio; + + serio_pause_rx(serio); + if (serio->drv) { + serio->drv->interrupt(serio, PSMOUSE_OOB_EXTRA_BTNS, + SERIO_OOB_DATA); + serio->drv->interrupt(serio, f03->overwrite_buttons, + SERIO_OOB_DATA); + } + serio_continue_rx(serio); +} + static int rmi_f03_pt_write(struct serio *id, unsigned char val) { struct f03_data *f03 = id->port_data; |