return rmi_read_block(hdev, addr, buf, 1);
}
+static int rmi_write_block(struct hid_device *hdev, u16 addr, void *buf,
+ const int len)
+{
+ struct rmi_data *data = hid_get_drvdata(hdev);
+ int ret;
+
+ mutex_lock(&data->page_mutex);
+
+ if (RMI_PAGE(addr) != data->page) {
+ ret = rmi_set_page(hdev, RMI_PAGE(addr));
+ if (ret < 0)
+ goto exit;
+ }
+
+ data->writeReport[0] = RMI_WRITE_REPORT_ID;
+ data->writeReport[1] = len;
+ data->writeReport[2] = addr & 0xFF;
+ data->writeReport[3] = (addr >> 8) & 0xFF;
+ memcpy(&data->writeReport[4], buf, len);
+
+ ret = rmi_write_report(hdev, data->writeReport,
+ data->output_report_size);
+ if (ret < 0) {
+ dev_err(&hdev->dev,
+ "failed to write request output report (%d)\n",
+ ret);
+ goto exit;
+ }
+ ret = 0;
+
+exit:
+ mutex_unlock(&data->page_mutex);
+ return ret;
+}
+
+static inline int rmi_write(struct hid_device *hdev, u16 addr, void *buf)
+{
+ return rmi_write_block(hdev, addr, buf, 1);
+}
+
static void rmi_f11_process_touch(struct rmi_data *hdata, int slot,
u8 finger_state, u8 *touch_data)
{
bool has_gestures;
bool has_rel;
bool has_data40 = false;
+ bool has_dribble = false;
+ bool has_palm_detect = false;
unsigned x_size, y_size;
u16 query_offset;
has_rel = !!(buf[0] & BIT(3));
has_gestures = !!(buf[0] & BIT(5));
+ ret = rmi_read(hdev, data->f11.query_base_addr + 5, buf);
+ if (ret) {
+ hid_err(hdev, "can not get absolute data sources: %d.\n", ret);
+ return ret;
+ }
+
+ has_dribble = !!(buf[0] & BIT(4));
+
/*
* At least 4 queries are guaranteed to be present in F11
* +1 for query 5 which is present since absolute events are
ret);
return ret;
}
+ has_palm_detect = !!(buf[0] & BIT(0));
has_query10 = !!(buf[0] & BIT(2));
query_offset += 2; /* query 7 and 8 are present */
* retrieve the ctrl registers
* the ctrl register has a size of 20 but a fw bug split it into 16 + 4,
* and there is no way to know if the first 20 bytes are here or not.
- * We use only the first 10 bytes, so get only them.
+ * We use only the first 12 bytes, so get only them.
*/
- ret = rmi_read_block(hdev, data->f11.control_base_addr, buf, 10);
+ ret = rmi_read_block(hdev, data->f11.control_base_addr, buf, 12);
if (ret) {
- hid_err(hdev, "can not read ctrl block of size 10: %d.\n", ret);
+ hid_err(hdev, "can not read ctrl block of size 11: %d.\n", ret);
return ret;
}
data->max_x = buf[6] | (buf[7] << 8);
data->max_y = buf[8] | (buf[9] << 8);
+ if (has_dribble) {
+ buf[0] = buf[0] & ~BIT(6);
+ ret = rmi_write(hdev, data->f11.control_base_addr, buf);
+ if (ret) {
+ hid_err(hdev, "can not write to control reg 0: %d.\n",
+ ret);
+ return ret;
+ }
+ }
+
+ if (has_palm_detect) {
+ buf[11] = buf[11] & ~BIT(0);
+ ret = rmi_write(hdev, data->f11.control_base_addr + 11,
+ &buf[11]);
+ if (ret) {
+ hid_err(hdev, "can not write to control reg 11: %d.\n",
+ ret);
+ return ret;
+ }
+ }
+
return 0;
}