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Message-Id: <20170912025414.3784-2-masaki.ota@jp.alps.com>
Date: Tue, 12 Sep 2017 11:54:08 +0900
From: Masaki Ota <012nexus@...il.com>
To: jikos@...nel.org, benjamin.tissoires@...hat.com
Cc: linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
masaki.ota@...alps.com
Subject: [PATCH 1/7] Minor changes in hid-alps.c for support new Alps device(Delete unnecessary structure)
From: Masaki Ota <masaki.ota@...alps.com>
-To support Alps T4 device, clean up the source code
-Delete unnecessary structure
Signed-off-by: Masaki Ota <masaki.ota@...alps.com>
---
drivers/hid/hid-alps.c | 69 +++++++++++++++++++++++++-------------------------
1 file changed, 34 insertions(+), 35 deletions(-)
diff --git a/drivers/hid/hid-alps.c b/drivers/hid/hid-alps.c
index ed9c0ea5b026..519bfcf9eaf0 100644
--- a/drivers/hid/hid-alps.c
+++ b/drivers/hid/hid-alps.c
@@ -259,7 +259,6 @@ static int alps_input_configured(struct hid_device *hdev, struct hid_input *hi)
{
struct u1_dev *data = hid_get_drvdata(hdev);
struct input_dev *input = hi->input, *input2;
- struct u1_dev devInfo;
int ret;
int res_x, res_y, i;
@@ -275,58 +274,58 @@ static int alps_input_configured(struct hid_device *hdev, struct hid_input *hi)
/* Device initialization */
ret = u1_read_write_register(hdev, ADDRESS_U1_DEV_CTRL_1,
- &devInfo.dev_ctrl, 0, true);
+ &data->dev_ctrl, 0, true);
if (ret < 0) {
dev_err(&hdev->dev, "failed U1_DEV_CTRL_1 (%d)\n", ret);
goto exit;
}
- devInfo.dev_ctrl &= ~U1_DISABLE_DEV;
- devInfo.dev_ctrl |= U1_TP_ABS_MODE;
+ data->dev_ctrl &= ~U1_DISABLE_DEV;
+ data->dev_ctrl |= U1_TP_ABS_MODE;
ret = u1_read_write_register(hdev, ADDRESS_U1_DEV_CTRL_1,
- NULL, devInfo.dev_ctrl, false);
+ NULL, data->dev_ctrl, false);
if (ret < 0) {
dev_err(&hdev->dev, "failed to change TP mode (%d)\n", ret);
goto exit;
}
ret = u1_read_write_register(hdev, ADDRESS_U1_NUM_SENS_X,
- &devInfo.sen_line_num_x, 0, true);
+ &data->sen_line_num_x, 0, true);
if (ret < 0) {
dev_err(&hdev->dev, "failed U1_NUM_SENS_X (%d)\n", ret);
goto exit;
}
ret = u1_read_write_register(hdev, ADDRESS_U1_NUM_SENS_Y,
- &devInfo.sen_line_num_y, 0, true);
+ &data->sen_line_num_y, 0, true);
if (ret < 0) {
dev_err(&hdev->dev, "failed U1_NUM_SENS_Y (%d)\n", ret);
goto exit;
}
ret = u1_read_write_register(hdev, ADDRESS_U1_PITCH_SENS_X,
- &devInfo.pitch_x, 0, true);
+ &data->pitch_x, 0, true);
if (ret < 0) {
dev_err(&hdev->dev, "failed U1_PITCH_SENS_X (%d)\n", ret);
goto exit;
}
ret = u1_read_write_register(hdev, ADDRESS_U1_PITCH_SENS_Y,
- &devInfo.pitch_y, 0, true);
+ &data->pitch_y, 0, true);
if (ret < 0) {
dev_err(&hdev->dev, "failed U1_PITCH_SENS_Y (%d)\n", ret);
goto exit;
}
ret = u1_read_write_register(hdev, ADDRESS_U1_RESO_DWN_ABS,
- &devInfo.resolution, 0, true);
+ &data->resolution, 0, true);
if (ret < 0) {
dev_err(&hdev->dev, "failed U1_RESO_DWN_ABS (%d)\n", ret);
goto exit;
}
ret = u1_read_write_register(hdev, ADDRESS_U1_PAD_BTN,
- &devInfo.btn_info, 0, true);
+ &data->btn_info, 0, true);
if (ret < 0) {
dev_err(&hdev->dev, "failed U1_PAD_BTN (%d)\n", ret);
goto exit;
@@ -334,29 +333,29 @@ static int alps_input_configured(struct hid_device *hdev, struct hid_input *hi)
/* Check StickPointer device */
ret = u1_read_write_register(hdev, ADDRESS_U1_DEVICE_TYP,
- &devInfo.dev_type, 0, true);
+ &data->dev_type, 0, true);
if (ret < 0) {
dev_err(&hdev->dev, "failed U1_DEVICE_TYP (%d)\n", ret);
goto exit;
}
- devInfo.x_active_len_mm =
- (devInfo.pitch_x * (devInfo.sen_line_num_x - 1)) / 10;
- devInfo.y_active_len_mm =
- (devInfo.pitch_y * (devInfo.sen_line_num_y - 1)) / 10;
+ data->x_active_len_mm =
+ (data->pitch_x * (data->sen_line_num_x - 1)) / 10;
+ data->y_active_len_mm =
+ (data->pitch_y * (data->sen_line_num_y - 1)) / 10;
- devInfo.x_max =
- (devInfo.resolution << 2) * (devInfo.sen_line_num_x - 1);
- devInfo.y_max =
- (devInfo.resolution << 2) * (devInfo.sen_line_num_y - 1);
+ data->x_max =
+ (data->resolution << 2) * (data->sen_line_num_x - 1);
+ data->y_max =
+ (data->resolution << 2) * (data->sen_line_num_y - 1);
__set_bit(EV_ABS, input->evbit);
- input_set_abs_params(input, ABS_MT_POSITION_X, 1, devInfo.x_max, 0, 0);
- input_set_abs_params(input, ABS_MT_POSITION_Y, 1, devInfo.y_max, 0, 0);
+ input_set_abs_params(input, ABS_MT_POSITION_X, 1, data->x_max, 0, 0);
+ input_set_abs_params(input, ABS_MT_POSITION_Y, 1, data->y_max, 0, 0);
- if (devInfo.x_active_len_mm && devInfo.y_active_len_mm) {
- res_x = (devInfo.x_max - 1) / devInfo.x_active_len_mm;
- res_y = (devInfo.y_max - 1) / devInfo.y_active_len_mm;
+ if (data->x_active_len_mm && data->y_active_len_mm) {
+ res_x = (data->x_max - 1) / data->x_active_len_mm;
+ res_y = (data->y_max - 1) / data->y_active_len_mm;
input_abs_set_res(input, ABS_MT_POSITION_X, res_x);
input_abs_set_res(input, ABS_MT_POSITION_Y, res_y);
@@ -367,20 +366,20 @@ static int alps_input_configured(struct hid_device *hdev, struct hid_input *hi)
input_mt_init_slots(input, MAX_TOUCHES, INPUT_MT_POINTER);
__set_bit(EV_KEY, input->evbit);
- if ((devInfo.btn_info & 0x0F) == (devInfo.btn_info & 0xF0) >> 4) {
- devInfo.btn_cnt = (devInfo.btn_info & 0x0F);
+ if ((data->btn_info & 0x0F) == (data->btn_info & 0xF0) >> 4) {
+ data->btn_cnt = (data->btn_info & 0x0F);
} else {
/* Button pad */
- devInfo.btn_cnt = 1;
+ data->btn_cnt = 1;
__set_bit(INPUT_PROP_BUTTONPAD, input->propbit);
}
- for (i = 0; i < devInfo.btn_cnt; i++)
+ for (i = 0; i < data->btn_cnt; i++)
__set_bit(BTN_LEFT + i, input->keybit);
/* Stick device initialization */
- if (devInfo.dev_type & U1_DEVTYPE_SP_SUPPORT) {
+ if (data->dev_type & U1_DEVTYPE_SP_SUPPORT) {
input2 = input_allocate_device();
if (!input2) {
@@ -390,9 +389,9 @@ static int alps_input_configured(struct hid_device *hdev, struct hid_input *hi)
data->input2 = input2;
- devInfo.dev_ctrl |= U1_SP_ABS_MODE;
+ data->dev_ctrl |= U1_SP_ABS_MODE;
ret = u1_read_write_register(hdev, ADDRESS_U1_DEV_CTRL_1,
- NULL, devInfo.dev_ctrl, false);
+ NULL, data->dev_ctrl, false);
if (ret < 0) {
dev_err(&hdev->dev, "failed SP mode (%d)\n", ret);
input_free_device(input2);
@@ -400,7 +399,7 @@ static int alps_input_configured(struct hid_device *hdev, struct hid_input *hi)
}
ret = u1_read_write_register(hdev, ADDRESS_U1_SP_BTN,
- &devInfo.sp_btn_info, 0, true);
+ &data->sp_btn_info, 0, true);
if (ret < 0) {
dev_err(&hdev->dev, "failed U1_SP_BTN (%d)\n", ret);
input_free_device(input2);
@@ -416,8 +415,8 @@ static int alps_input_configured(struct hid_device *hdev, struct hid_input *hi)
input2->dev.parent = input->dev.parent;
__set_bit(EV_KEY, input2->evbit);
- devInfo.sp_btn_cnt = (devInfo.sp_btn_info & 0x0F);
- for (i = 0; i < devInfo.sp_btn_cnt; i++)
+ data->sp_btn_cnt = (data->sp_btn_info & 0x0F);
+ for (i = 0; i < data->sp_btn_cnt; i++)
__set_bit(BTN_LEFT + i, input2->keybit);
__set_bit(EV_REL, input2->evbit);
--
2.11.0
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