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path: root/drivers/input/rmi4/rmi_f03.c
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Diffstat (limited to 'drivers/input/rmi4/rmi_f03.c')
-rw-r--r--drivers/input/rmi4/rmi_f03.c38
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;