forked from Minki/linux
HID: alps: a few cleanups
Remove an unnecessary codes. Change input_ivent() function to appropriate function. Add the device ID of "HID_DEVICE_ID_ALPS_U1_DUAL". [jkosina@suse.cz: removed unnecessary bitshifts of values passed input_report_key() as spotted by Dmitry] Signed-off-by: Masaki Ota <masaki.ota@jp.alps.com> Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Masaki Ota
Jiri Kosina
parent
ded69bba56
commit
819d64e51d
@ -98,8 +98,6 @@ struct u1_dev {
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u32 sp_btn_cnt;
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};
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static struct u1_dev *priv;
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static int u1_read_write_register(struct hid_device *hdev, u32 address,
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u8 *read_val, u8 write_val, bool read_flag)
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{
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@ -108,16 +106,10 @@ static int u1_read_write_register(struct hid_device *hdev, u32 address,
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u8 *input;
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u8 *readbuf;
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input = kzalloc(sizeof(u8)*U1_FEATURE_REPORT_LEN, GFP_KERNEL);
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input = kzalloc(U1_FEATURE_REPORT_LEN, GFP_KERNEL);
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if (!input)
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return -ENOMEM;
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readbuf = kzalloc(sizeof(u8)*U1_FEATURE_REPORT_LEN, GFP_KERNEL);
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if (!readbuf) {
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kfree(input);
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return -ENOMEM;
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}
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input[0] = U1_FEATURE_REPORT_ID;
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if (read_flag) {
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input[1] = U1_CMD_REGISTER_READ;
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@ -136,8 +128,8 @@ static int u1_read_write_register(struct hid_device *hdev, u32 address,
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input[7] = check_sum;
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ret = hid_hw_raw_request(hdev, U1_FEATURE_REPORT_ID, input,
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sizeof(u8)*U1_FEATURE_REPORT_LEN, HID_FEATURE_REPORT,
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HID_REQ_SET_REPORT);
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U1_FEATURE_REPORT_LEN,
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HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
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if (ret < 0) {
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dev_err(&hdev->dev, "failed to read command (%d)\n", ret);
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@ -145,8 +137,14 @@ static int u1_read_write_register(struct hid_device *hdev, u32 address,
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}
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if (read_flag) {
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readbuf = kzalloc(U1_FEATURE_REPORT_LEN, GFP_KERNEL);
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if (!readbuf) {
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kfree(input);
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return -ENOMEM;
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}
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ret = hid_hw_raw_request(hdev, U1_FEATURE_REPORT_ID, readbuf,
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sizeof(u8)*U1_FEATURE_REPORT_LEN,
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U1_FEATURE_REPORT_LEN,
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HID_FEATURE_REPORT, HID_REQ_GET_REPORT);
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if (ret < 0) {
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@ -155,24 +153,23 @@ static int u1_read_write_register(struct hid_device *hdev, u32 address,
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}
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*read_val = readbuf[6];
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kfree(readbuf);
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}
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kfree(input);
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kfree(readbuf);
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return 0;
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ret = 0;
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exit:
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kfree(input);
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kfree(readbuf);
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return ret;
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}
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static int alps_raw_event(struct hid_device *hdev,
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struct hid_report *report, u8 *data, int size)
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{
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int x[MAX_TOUCHES], y[MAX_TOUCHES], z[MAX_TOUCHES];
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int i, left, right, middle;
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short sp_x, sp_y, sp_z;
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unsigned int x, y, z;
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int i;
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short sp_x, sp_y;
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struct u1_dev *hdata = hid_get_drvdata(hdev);
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switch (data[0]) {
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@ -182,16 +179,15 @@ static int alps_raw_event(struct hid_device *hdev,
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break;
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case U1_ABSOLUTE_REPORT_ID:
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for (i = 0; i < MAX_TOUCHES; i++) {
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x[i] = (data[3+(5*i)] | (data[4+(5*i)] << 8));
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y[i] = (data[5+(5*i)] | (data[6+(5*i)] << 8));
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z[i] = data[7+(5*i)] & 0x7F;
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left = data[1] & 0x1;
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right = (data[1] & 0x2) >> 1;
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middle = (data[1] & 0x4) >> 2;
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u8 *contact = &data[i * 5];
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x = get_unaligned_le16(contact + 3);
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y = get_unaligned_le16(contact + 5);
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z = contact[7] & 0x7F;
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input_mt_slot(hdata->input, i);
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if (z[i] != 0) {
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if (z != 0) {
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input_mt_report_slot_state(hdata->input,
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MT_TOOL_FINGER, 1);
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} else {
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@ -200,42 +196,43 @@ static int alps_raw_event(struct hid_device *hdev,
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break;
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}
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input_event(hdata->input, EV_ABS,
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ABS_MT_POSITION_X, x[i]);
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input_event(hdata->input, EV_ABS,
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ABS_MT_POSITION_Y, y[i]);
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input_event(hdata->input, EV_ABS,
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ABS_MT_PRESSURE, z[i]);
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input_report_abs(hdata->input, ABS_MT_POSITION_X, x);
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input_report_abs(hdata->input, ABS_MT_POSITION_Y, y);
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input_report_abs(hdata->input, ABS_MT_PRESSURE, z);
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}
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input_mt_sync_frame(hdata->input);
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input_sync(hdata->input);
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input_event(hdata->input, EV_KEY, BTN_LEFT, left);
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input_event(hdata->input, EV_KEY, BTN_RIGHT, right);
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input_event(hdata->input, EV_KEY, BTN_MIDDLE, middle);
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input_report_key(hdata->input, BTN_LEFT,
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data[1] & 0x1);
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input_report_key(hdata->input, BTN_RIGHT,
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(data[1] & 0x2));
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input_report_key(hdata->input, BTN_MIDDLE,
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(data[1] & 0x4));
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input_sync(hdata->input);
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return 1;
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case U1_SP_ABSOLUTE_REPORT_ID:
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sp_x = (data[2] | (data[3] << 8));
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sp_y = (data[4] | (data[5] << 8));
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sp_z = (data[6] | data[7]) & 0x7FFF;
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left = data[1] & 0x1;
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right = (data[1] & 0x2) >> 1;
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middle = (data[1] & 0x4) >> 2;
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sp_x = get_unaligned_le16(data+2);
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sp_y = get_unaligned_le16(data+4);
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sp_x = sp_x / 8;
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sp_y = sp_y / 8;
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input_event(priv->input2, EV_REL, REL_X, sp_x);
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input_event(priv->input2, EV_REL, REL_Y, sp_y);
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input_report_rel(hdata->input2, REL_X, sp_x);
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input_report_rel(hdata->input2, REL_Y, sp_y);
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input_event(priv->input2, EV_KEY, BTN_LEFT, left);
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input_event(priv->input2, EV_KEY, BTN_RIGHT, right);
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input_event(priv->input2, EV_KEY, BTN_MIDDLE, middle);
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input_report_key(hdata->input2, BTN_LEFT,
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data[1] & 0x1);
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input_report_key(hdata->input2, BTN_RIGHT,
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(data[1] & 0x2));
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input_report_key(hdata->input2, BTN_MIDDLE,
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(data[1] & 0x4));
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input_sync(priv->input2);
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input_sync(hdata->input2);
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return 1;
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}
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@ -265,15 +262,6 @@ static int alps_input_configured(struct hid_device *hdev, struct hid_input *hi)
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int ret;
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int res_x, res_y, i;
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/* Check device product ID */
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switch (hdev->product) {
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case HID_PRODUCT_ID_U1:
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case HID_PRODUCT_ID_U1_DUAL:
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break;
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default:
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return 0;
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}
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data->input = input;
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hid_dbg(hdev, "Opening low level driver\n");
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@ -393,20 +381,13 @@ static int alps_input_configured(struct hid_device *hdev, struct hid_input *hi)
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/* Stick device initialization */
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if (devInfo.dev_type & U1_DEVTYPE_SP_SUPPORT) {
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priv = kzalloc(sizeof(struct u1_dev), GFP_KERNEL);
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if (!priv) {
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hid_device_io_stop(hdev);
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hid_hw_close(hdev);
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return -ENOMEM;
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}
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input2 = input_allocate_device();
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if (!input2) {
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input_free_device(input2);
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goto exit;
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}
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priv->input2 = input2;
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data->input2 = input2;
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devInfo.dev_ctrl |= U1_SP_ABS_MODE;
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ret = u1_read_write_register(hdev, ADDRESS_U1_DEV_CTRL_1,
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@ -444,7 +425,7 @@ static int alps_input_configured(struct hid_device *hdev, struct hid_input *hi)
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__set_bit(INPUT_PROP_POINTER, input2->propbit);
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__set_bit(INPUT_PROP_POINTING_STICK, input2->propbit);
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if (input_register_device(priv->input2)) {
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if (input_register_device(data->input2)) {
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input_free_device(input2);
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goto exit;
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}
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@ -495,12 +476,11 @@ static int alps_probe(struct hid_device *hdev, const struct hid_device_id *id)
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static void alps_remove(struct hid_device *hdev)
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{
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hid_hw_stop(hdev);
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kfree(priv);
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}
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static const struct hid_device_id alps_id[] = {
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{ HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY,
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USB_VENDOR_ID_ALPS_JP, HID_ANY_ID) },
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USB_VENDOR_ID_ALPS_JP, HID_DEVICE_ID_ALPS_U1_DUAL) },
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{ }
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};
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MODULE_DEVICE_TABLE(hid, alps_id);
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@ -1772,7 +1772,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
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{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) },
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{ HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
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{ HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0xf705) },
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{ HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, USB_VENDOR_ID_ALPS_JP, HID_ANY_ID) },
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{ HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, USB_VENDOR_ID_ALPS_JP, HID_DEVICE_ID_ALPS_U1_DUAL) },
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{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
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{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
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{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
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@ -71,6 +71,7 @@
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#define USB_DEVICE_ID_IBM_GAMEPAD 0x1101
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#define USB_VENDOR_ID_ALPS_JP 0x044E
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#define HID_DEVICE_ID_ALPS_U1_DUAL 0x120B
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#define USB_VENDOR_ID_ANTON 0x1130
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#define USB_DEVICE_ID_ANTON_TOUCH_PAD 0x3101
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