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-rw-r--r--drivers/hid/hid-lg4ff.c121
1 files changed, 64 insertions, 57 deletions
diff --git a/drivers/hid/hid-lg4ff.c b/drivers/hid/hid-lg4ff.c
index f3390ee6105..c40e957aab9 100644
--- a/drivers/hid/hid-lg4ff.c
+++ b/drivers/hid/hid-lg4ff.c
@@ -134,6 +134,7 @@ static int hid_lg4ff_play(struct input_dev *dev, void *data, struct ff_effect *e
struct hid_device *hid = input_get_drvdata(dev);
struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;
struct hid_report *report = list_entry(report_list->next, struct hid_report, list);
+ __s32 *value = report->field[0]->value;
int x;
#define CLAMP(x) if (x < 0) x = 0; if (x > 0xff) x = 0xff
@@ -142,13 +143,13 @@ static int hid_lg4ff_play(struct input_dev *dev, void *data, struct ff_effect *e
case FF_CONSTANT:
x = effect->u.ramp.start_level + 0x80; /* 0x80 is no force */
CLAMP(x);
- report->field[0]->value[0] = 0x11; /* Slot 1 */
- report->field[0]->value[1] = 0x08;
- report->field[0]->value[2] = x;
- report->field[0]->value[3] = 0x80;
- report->field[0]->value[4] = 0x00;
- report->field[0]->value[5] = 0x00;
- report->field[0]->value[6] = 0x00;
+ value[0] = 0x11; /* Slot 1 */
+ value[1] = 0x08;
+ value[2] = x;
+ value[3] = 0x80;
+ value[4] = 0x00;
+ value[5] = 0x00;
+ value[6] = 0x00;
usbhid_submit_report(hid, report, USB_DIR_OUT);
break;
@@ -163,14 +164,15 @@ static void hid_lg4ff_set_autocenter_default(struct input_dev *dev, u16 magnitud
struct hid_device *hid = input_get_drvdata(dev);
struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;
struct hid_report *report = list_entry(report_list->next, struct hid_report, list);
+ __s32 *value = report->field[0]->value;
- report->field[0]->value[0] = 0xfe;
- report->field[0]->value[1] = 0x0d;
- report->field[0]->value[2] = magnitude >> 13;
- report->field[0]->value[3] = magnitude >> 13;
- report->field[0]->value[4] = magnitude >> 8;
- report->field[0]->value[5] = 0x00;
- report->field[0]->value[6] = 0x00;
+ value[0] = 0xfe;
+ value[1] = 0x0d;
+ value[2] = magnitude >> 13;
+ value[3] = magnitude >> 13;
+ value[4] = magnitude >> 8;
+ value[5] = 0x00;
+ value[6] = 0x00;
usbhid_submit_report(hid, report, USB_DIR_OUT);
}
@@ -181,16 +183,16 @@ static void hid_lg4ff_set_autocenter_ffex(struct input_dev *dev, u16 magnitude)
struct hid_device *hid = input_get_drvdata(dev);
struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;
struct hid_report *report = list_entry(report_list->next, struct hid_report, list);
+ __s32 *value = report->field[0]->value;
magnitude = magnitude * 90 / 65535;
-
- report->field[0]->value[0] = 0xfe;
- report->field[0]->value[1] = 0x03;
- report->field[0]->value[2] = magnitude >> 14;
- report->field[0]->value[3] = magnitude >> 14;
- report->field[0]->value[4] = magnitude;
- report->field[0]->value[5] = 0x00;
- report->field[0]->value[6] = 0x00;
+ value[0] = 0xfe;
+ value[1] = 0x03;
+ value[2] = magnitude >> 14;
+ value[3] = magnitude >> 14;
+ value[4] = magnitude;
+ value[5] = 0x00;
+ value[6] = 0x00;
usbhid_submit_report(hid, report, USB_DIR_OUT);
}
@@ -200,15 +202,17 @@ static void hid_lg4ff_set_range_g25(struct hid_device *hid, u16 range)
{
struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;
struct hid_report *report = list_entry(report_list->next, struct hid_report, list);
+ __s32 *value = report->field[0]->value;
+
dbg_hid("G25/G27/DFGT: setting range to %u\n", range);
- report->field[0]->value[0] = 0xf8;
- report->field[0]->value[1] = 0x81;
- report->field[0]->value[2] = range & 0x00ff;
- report->field[0]->value[3] = (range & 0xff00) >> 8;
- report->field[0]->value[4] = 0x00;
- report->field[0]->value[5] = 0x00;
- report->field[0]->value[6] = 0x00;
+ value[0] = 0xf8;
+ value[1] = 0x81;
+ value[2] = range & 0x00ff;
+ value[3] = (range & 0xff00) >> 8;
+ value[4] = 0x00;
+ value[5] = 0x00;
+ value[6] = 0x00;
usbhid_submit_report(hid, report, USB_DIR_OUT);
}
@@ -219,16 +223,18 @@ static void hid_lg4ff_set_range_dfp(struct hid_device *hid, __u16 range)
struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;
struct hid_report *report = list_entry(report_list->next, struct hid_report, list);
int start_left, start_right, full_range;
+ __s32 *value = report->field[0]->value;
+
dbg_hid("Driving Force Pro: setting range to %u\n", range);
/* Prepare "coarse" limit command */
- report->field[0]->value[0] = 0xf8;
- report->field[0]->value[1] = 0x00; /* Set later */
- report->field[0]->value[2] = 0x00;
- report->field[0]->value[3] = 0x00;
- report->field[0]->value[4] = 0x00;
- report->field[0]->value[5] = 0x00;
- report->field[0]->value[6] = 0x00;
+ value[0] = 0xf8;
+ value[1] = 0x00; /* Set later */
+ value[2] = 0x00;
+ value[3] = 0x00;
+ value[4] = 0x00;
+ value[5] = 0x00;
+ value[6] = 0x00;
if (range > 200) {
report->field[0]->value[1] = 0x03;
@@ -240,13 +246,13 @@ static void hid_lg4ff_set_range_dfp(struct hid_device *hid, __u16 range)
usbhid_submit_report(hid, report, USB_DIR_OUT);
/* Prepare "fine" limit command */
- report->field[0]->value[0] = 0x81;
- report->field[0]->value[1] = 0x0b;
- report->field[0]->value[2] = 0x00;
- report->field[0]->value[3] = 0x00;
- report->field[0]->value[4] = 0x00;
- report->field[0]->value[5] = 0x00;
- report->field[0]->value[6] = 0x00;
+ value[0] = 0x81;
+ value[1] = 0x0b;
+ value[2] = 0x00;
+ value[3] = 0x00;
+ value[4] = 0x00;
+ value[5] = 0x00;
+ value[6] = 0x00;
if (range == 200 || range == 900) { /* Do not apply any fine limit */
usbhid_submit_report(hid, report, USB_DIR_OUT);
@@ -257,11 +263,11 @@ static void hid_lg4ff_set_range_dfp(struct hid_device *hid, __u16 range)
start_left = (((full_range - range + 1) * 2047) / full_range);
start_right = 0xfff - start_left;
- report->field[0]->value[2] = start_left >> 4;
- report->field[0]->value[3] = start_right >> 4;
- report->field[0]->value[4] = 0xff;
- report->field[0]->value[5] = (start_right & 0xe) << 4 | (start_left & 0xe);
- report->field[0]->value[6] = 0xff;
+ value[2] = start_left >> 4;
+ value[3] = start_right >> 4;
+ value[4] = 0xff;
+ value[5] = (start_right & 0xe) << 4 | (start_left & 0xe);
+ value[6] = 0xff;
usbhid_submit_report(hid, report, USB_DIR_OUT);
}
@@ -344,14 +350,15 @@ static void lg4ff_set_leds(struct hid_device *hid, __u8 leds)
{
struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;
struct hid_report *report = list_entry(report_list->next, struct hid_report, list);
-
- report->field[0]->value[0] = 0xf8;
- report->field[0]->value[1] = 0x12;
- report->field[0]->value[2] = leds;
- report->field[0]->value[3] = 0x00;
- report->field[0]->value[4] = 0x00;
- report->field[0]->value[5] = 0x00;
- report->field[0]->value[6] = 0x00;
+ __s32 *value = report->field[0]->value;
+
+ value[0] = 0xf8;
+ value[1] = 0x12;
+ value[2] = leds;
+ value[3] = 0x00;
+ value[4] = 0x00;
+ value[5] = 0x00;
+ value[6] = 0x00;
usbhid_submit_report(hid, report, USB_DIR_OUT);
}
@@ -501,7 +508,7 @@ int lg4ff_init(struct hid_device *hid)
/* Check if autocentering is available and
* set the centering force to zero by default */
if (test_bit(FF_AUTOCENTER, dev->ffbit)) {
- if(rev_maj == FFEX_REV_MAJ && rev_min == FFEX_REV_MIN) /* Formula Force EX expects different autocentering command */
+ if (rev_maj == FFEX_REV_MAJ && rev_min == FFEX_REV_MIN) /* Formula Force EX expects different autocentering command */
dev->ff->set_autocenter = hid_lg4ff_set_autocenter_ffex;
else
dev->ff->set_autocenter = hid_lg4ff_set_autocenter_default;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-22 21:02:01 +0000