Every call of wacom_set_report was passing "id" as a separate parameter
and buffer also passed the same information. We can use first u8 of the
buffer instead of "id"
Signed-off-by: Przemo Firszt <prz...@firszt.eu>
---
drivers/hid/wacom_sys.c | 27 +++++++++++++--------------
1 file changed, 13 insertions(+), 14 deletions(-)
diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c
index 51437e2..db17198 100644
--- a/drivers/hid/wacom_sys.c
+++ b/drivers/hid/wacom_sys.c
@@ -36,13 +36,13 @@ static int wacom_get_report(struct hid_device *hdev, u8
type, u8 id,
return retval;
}
-static int wacom_set_report(struct hid_device *hdev, u8 type, u8 id,
- void *buf, size_t size, unsigned int retries)
+static int wacom_set_report(struct hid_device *hdev, u8 type, u8 *buf,
+ size_t size, unsigned int retries)
{
int retval;
do {
- retval = hid_hw_raw_request(hdev, id, buf, size, type,
+ retval = hid_hw_raw_request(hdev, buf[0], buf, size, type,
HID_REQ_SET_REPORT);
} while ((retval == -ETIMEDOUT || retval == -EPIPE) && --retries);
@@ -251,8 +251,8 @@ static int wacom_set_device_mode(struct hid_device *hdev,
int report_id,
rep_data[0] = report_id;
rep_data[1] = mode;
- error = wacom_set_report(hdev, HID_FEATURE_REPORT,
- report_id, rep_data, length, 1);
+ error = wacom_set_report(hdev, HID_FEATURE_REPORT, rep_data,
+ length, 1);
if (error >= 0)
error = wacom_get_report(hdev, HID_FEATURE_REPORT,
report_id, rep_data, length,
1);
@@ -525,8 +525,8 @@ static int wacom_led_control(struct wacom *wacom)
buf[4] = wacom->led.img_lum;
}
- retval = wacom_set_report(wacom->hdev, HID_FEATURE_REPORT,
- WAC_CMD_LED_CONTROL, buf, 9, WAC_CMD_RETRIES);
+ retval = wacom_set_report(wacom->hdev, HID_FEATURE_REPORT, buf, 9,
+ WAC_CMD_RETRIES);
kfree(buf);
return retval;
@@ -546,8 +546,8 @@ static int wacom_led_putimage(struct wacom *wacom, int
button_id,
/* Send 'start' command */
buf[0] = WAC_CMD_ICON_START;
buf[1] = 1;
- retval = wacom_set_report(wacom->hdev, HID_FEATURE_REPORT,
- WAC_CMD_ICON_START, buf, 2, WAC_CMD_RETRIES);
+ retval = wacom_set_report(wacom->hdev, HID_FEATURE_REPORT, buf, 2,
+ WAC_CMD_RETRIES);
if (retval < 0)
goto out;
@@ -557,9 +557,8 @@ static int wacom_led_putimage(struct wacom *wacom, int
button_id,
buf[2] = i;
memcpy(buf + 3, img + i * chunk_len, chunk_len);
- retval = wacom_set_report(wacom->hdev, HID_FEATURE_REPORT,
- WAC_CMD_ICON_XFER,
- buf, chunk_len + 3, WAC_CMD_RETRIES);
+ retval = wacom_set_report(wacom->hdev, HID_FEATURE_REPORT, buf,
+ chunk_len + 3, WAC_CMD_RETRIES);
if (retval < 0)
break;
}
@@ -567,8 +566,8 @@ static int wacom_led_putimage(struct wacom *wacom, int
button_id,
/* Send 'stop' */
buf[0] = WAC_CMD_ICON_START;
buf[1] = 0;
- wacom_set_report(wacom->hdev, HID_FEATURE_REPORT, WAC_CMD_ICON_START,
- buf, 2, WAC_CMD_RETRIES);
+ wacom_set_report(wacom->hdev, HID_FEATURE_REPORT, buf, 2,
+ WAC_CMD_RETRIES);
out:
kfree(buf);
--
1.9.3
--
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