[PATCH 2/5] HID: move thrustmaster FF processing

From: Jiri Slaby
Date: Thu Sep 04 2008 - 09:01:40 EST


Signed-off-by: Jiri Slaby <jirislaby@xxxxxxxxx>
---
drivers/hid/Kconfig | 9 ++
drivers/hid/Makefile | 1 +
drivers/hid/hid-core.c | 4 +
drivers/hid/hid-dummy.c | 3 +
drivers/hid/hid-ids.h | 2 +
drivers/hid/hid-tmff.c | 265 +++++++++++++++++++++++++++++++++++++++++
drivers/hid/usbhid/Kconfig | 11 --
drivers/hid/usbhid/Makefile | 3 -
drivers/hid/usbhid/hid-ff.c | 6 -
drivers/hid/usbhid/hid-tmff.c | 232 ------------------------------------
include/linux/hid.h | 1 -
11 files changed, 284 insertions(+), 253 deletions(-)
create mode 100644 drivers/hid/hid-tmff.c
delete mode 100644 drivers/hid/usbhid/hid-tmff.c

diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 7220e6f..268fcd1 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -243,6 +243,15 @@ config HID_SUNPLUS
---help---
Support for Sunplus WDesktop input device.

+config THRUSTMASTER_FF
+ tristate "ThrustMaster devices support"
+ default m
+ depends on USB_HID
+ select INPUT_FF_MEMLESS
+ help
+ Say Y here if you have a THRUSTMASTER FireStore Dual Power 2 or
+ a THRUSTMASTER Ferrari GT Rumble Force or Force Feedback Wheel.
+
endmenu

endif # HID_SUPPORT
diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index e607068..9bd6daf 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -37,6 +37,7 @@ obj-$(CONFIG_HID_PETALYNX) += hid-petalynx.o
obj-$(CONFIG_HID_SAMSUNG) += hid-samsung.o
obj-$(CONFIG_HID_SONY) += hid-sony.o
obj-$(CONFIG_HID_SUNPLUS) += hid-sunplus.o
+obj-$(CONFIG_THRUSTMASTER_FF) += hid-tmff.o

obj-$(CONFIG_USB_HID) += usbhid/
obj-$(CONFIG_USB_MOUSE) += usbhid/
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 3a12bb6..e6624d9 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1514,6 +1514,10 @@ static const struct hid_device_id hid_ignore_list[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
{ HID_USB_DEVICE(USB_VENDOR_ID_SOUNDGRAPH, USB_DEVICE_ID_SOUNDGRAPH_IMON_LCD) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
{ HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO) },
{ HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) },
{ HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) },
diff --git a/drivers/hid/hid-dummy.c b/drivers/hid/hid-dummy.c
index 2f5d9a1..ae122a1 100644
--- a/drivers/hid/hid-dummy.c
+++ b/drivers/hid/hid-dummy.c
@@ -55,6 +55,9 @@ static int __init hid_dummy_init(void)
#ifdef CONFIG_HID_SUNPLUS_MODULE
HID_COMPAT_CALL_DRIVER(sunplus);
#endif
+#ifdef CONFIG_THRUSTMASTER_FF_MODULE
+ HID_COMPAT_CALL_DRIVER(thrustmaster);
+#endif

return -EIO;
}
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index a4d9695..30dcc93 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -348,6 +348,8 @@
#define USB_VENDOR_ID_SUN 0x0430
#define USB_DEVICE_ID_RARITAN_KVM_DONGLE 0xcdab

+#define USB_VENDOR_ID_THRUSTMASTER 0x044f
+
#define USB_VENDOR_ID_SUNPLUS 0x04fc
#define USB_DEVICE_ID_SUNPLUS_WDESKTOP 0x05d8

diff --git a/drivers/hid/hid-tmff.c b/drivers/hid/hid-tmff.c
new file mode 100644
index 0000000..7b85bbb
--- /dev/null
+++ b/drivers/hid/hid-tmff.c
@@ -0,0 +1,265 @@
+/*
+ * Force feedback support for various HID compliant devices by ThrustMaster:
+ * ThrustMaster FireStorm Dual Power 2
+ * and possibly others whose device ids haven't been added.
+ *
+ * Modified to support ThrustMaster devices by Zinx Verituse
+ * on 2003-01-25 from the Logitech force feedback driver,
+ * which is by Johann Deneux.
+ *
+ * Copyright (c) 2003 Zinx Verituse <zinx@xxxxxxxxxxx>
+ * Copyright (c) 2002 Johann Deneux
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/hid.h>
+#include <linux/input.h>
+#include <linux/usb.h>
+
+#include "hid-ids.h"
+
+#include "usbhid/usbhid.h"
+
+/* Usages for thrustmaster devices I know about */
+#define THRUSTMASTER_USAGE_FF (HID_UP_GENDESK | 0xbb)
+
+static const signed short ff_rumble[] = {
+ FF_RUMBLE,
+ -1
+};
+
+static const signed short ff_joystick[] = {
+ FF_CONSTANT,
+ -1
+};
+
+struct tmff_device {
+ struct hid_report *report;
+ struct hid_field *ff_field;
+};
+
+/* Changes values from 0 to 0xffff into values from minimum to maximum */
+static inline int tmff_scale_u16(unsigned int in, int minimum, int maximum)
+{
+ int ret;
+
+ ret = (in * (maximum - minimum) / 0xffff) + minimum;
+ if (ret < minimum)
+ return minimum;
+ if (ret > maximum)
+ return maximum;
+ return ret;
+}
+
+/* Changes values from -0x80 to 0x7f into values from minimum to maximum */
+static inline int tmff_scale_s8(int in, int minimum, int maximum)
+{
+ int ret;
+
+ ret = (((in + 0x80) * (maximum - minimum)) / 0xff) + minimum;
+ if (ret < minimum)
+ return minimum;
+ if (ret > maximum)
+ return maximum;
+ return ret;
+}
+
+static int tmff_play(struct input_dev *dev, void *data, struct ff_effect *effect)
+{
+ struct hid_device *hid = input_get_drvdata(dev);
+ struct tmff_device *tmff = data;
+ struct hid_field *ff_field = tmff->ff_field;
+ int x, y;
+ int left, right; /* Rumbling */
+
+ switch (effect->type) {
+ case FF_CONSTANT:
+ x = tmff_scale_s8(effect->u.ramp.start_level,
+ ff_field->logical_minimum,
+ ff_field->logical_maximum);
+ y = tmff_scale_s8(effect->u.ramp.end_level,
+ ff_field->logical_minimum,
+ ff_field->logical_maximum);
+
+ dbg_hid("(x, y)=(%04x, %04x)\n", x, y);
+ ff_field->value[0] = x;
+ ff_field->value[1] = y;
+ usbhid_submit_report(hid, tmff->report, USB_DIR_OUT);
+ break;
+
+ case FF_RUMBLE:
+ left = tmff_scale_u16(effect->u.rumble.weak_magnitude,
+ ff_field->logical_minimum,
+ ff_field->logical_maximum);
+ right = tmff_scale_u16(effect->u.rumble.strong_magnitude,
+ ff_field->logical_minimum,
+ ff_field->logical_maximum);
+
+ dbg_hid("(left,right)=(%08x, %08x)\n", left, right);
+ ff_field->value[0] = left;
+ ff_field->value[1] = right;
+ usbhid_submit_report(hid, tmff->report, USB_DIR_OUT);
+ break;
+ }
+ return 0;
+}
+
+static int tmff_init(struct hid_device *hid, const signed short *ff_bits)
+{
+ struct tmff_device *tmff;
+ struct hid_report *report;
+ struct list_head *report_list;
+ struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list);
+ struct input_dev *input_dev = hidinput->input;
+ int error;
+ int i;
+
+ tmff = kzalloc(sizeof(struct tmff_device), GFP_KERNEL);
+ if (!tmff)
+ return -ENOMEM;
+
+ /* Find the report to use */
+ report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;
+ list_for_each_entry(report, report_list, list) {
+ int fieldnum;
+
+ for (fieldnum = 0; fieldnum < report->maxfield; ++fieldnum) {
+ struct hid_field *field = report->field[fieldnum];
+
+ if (field->maxusage <= 0)
+ continue;
+
+ switch (field->usage[0].hid) {
+ case THRUSTMASTER_USAGE_FF:
+ if (field->report_count < 2) {
+ dev_warn(&hid->dev,
+ "ignoring FF field with report_count < 2\n");
+ continue;
+ }
+
+ if (field->logical_maximum == field->logical_minimum) {
+ dev_warn(&hid->dev,
+ "ignoring FF field with logical_maximum == logical_minimum\n");
+ continue;
+ }
+
+ if (tmff->report && tmff->report != report) {
+ dev_warn(&hid->dev,
+ "ignoring FF field in other report\n");
+ continue;
+ }
+
+ if (tmff->ff_field && tmff->ff_field != field) {
+ dev_warn(&hid->dev,
+ "ignoring duplicate FF field\n");
+ continue;
+ }
+
+ tmff->report = report;
+ tmff->ff_field = field;
+
+ for (i = 0; ff_bits[i] >= 0; i++)
+ set_bit(ff_bits[i], input_dev->ffbit);
+
+ break;
+
+ default:
+ dev_warn(&hid->dev,
+ "ignoring unknown output usage %08x\n",
+ field->usage[0].hid);
+ continue;
+ }
+ }
+ }
+
+ if (!tmff->report) {
+ err("cant find FF field in output reports\n");
+ error = -ENODEV;
+ goto fail;
+ }
+
+ error = input_ff_create_memless(input_dev, tmff, tmff_play);
+ if (error)
+ goto fail;
+
+ dev_info(&hid->dev,
+ "Force feedback for ThrustMaster devices by Zinx Verituse <zinx@xxxxxxxxxxx>\n");
+ return 0;
+
+fail:
+ kfree(tmff);
+ return error;
+}
+
+static int tm_probe(struct hid_device *hdev, const struct hid_device_id *id)
+{
+ int ret;
+
+ ret = hid_parse(hdev);
+ if (ret) {
+ dev_err(&hdev->dev, "parse failed\n");
+ goto err;
+ }
+
+ ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF);
+ if (ret) {
+ dev_err(&hdev->dev, "hw start failed\n");
+ goto err;
+ }
+
+ tmff_init(hdev, (void *)id->driver_data);
+
+ return 0;
+err:
+ return ret;
+}
+
+static const struct hid_device_id tm_devices[] = {
+ { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300),
+ .driver_data = (unsigned long)ff_rumble },
+ { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304),
+ .driver_data = (unsigned long)ff_rumble },
+ { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651), /* FGT Rumble Force Wheel */
+ .driver_data = (unsigned long)ff_rumble },
+ { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654), /* FGT Force Feedback Wheel */
+ .driver_data = (unsigned long)ff_joystick },
+ { }
+};
+MODULE_DEVICE_TABLE(hid, tm_devices);
+
+static struct hid_driver tm_driver = {
+ .name = "thrustmaster",
+ .id_table = tm_devices,
+ .probe = tm_probe,
+};
+
+static int tm_init(void)
+{
+ return hid_register_driver(&tm_driver);
+}
+
+static void tm_exit(void)
+{
+ hid_unregister_driver(&tm_driver);
+}
+
+module_init(tm_init);
+module_exit(tm_exit);
+MODULE_LICENSE("GPL");
+
+HID_COMPAT_LOAD_DRIVER(thrustmaster);
diff --git a/drivers/hid/usbhid/Kconfig b/drivers/hid/usbhid/Kconfig
index 02c8228..c236fb3 100644
--- a/drivers/hid/usbhid/Kconfig
+++ b/drivers/hid/usbhid/Kconfig
@@ -44,17 +44,6 @@ config HID_PID
feedback for it. Microsoft Sidewinder Force Feedback 2 is one of such
devices.

-config THRUSTMASTER_FF
- bool "ThrustMaster devices support"
- depends on HID_FF
- select INPUT_FF_MEMLESS if USB_HID
- help
- Say Y here if you have a THRUSTMASTER FireStore Dual Power 2 or
- a THRUSTMASTER Ferrari GT Rumble Force or Force Feedback Wheel,
- and want to enable force feedback support for it.
- Note: if you say N here, this device will still be supported, but without
- force feedback.
-
config ZEROPLUS_FF
bool "Zeroplus based game controller support"
depends on HID_FF
diff --git a/drivers/hid/usbhid/Makefile b/drivers/hid/usbhid/Makefile
index 0ee4803..dd3b863 100644
--- a/drivers/hid/usbhid/Makefile
+++ b/drivers/hid/usbhid/Makefile
@@ -13,9 +13,6 @@ endif
ifeq ($(CONFIG_HID_PID),y)
usbhid-objs += hid-pidff.o
endif
-ifeq ($(CONFIG_THRUSTMASTER_FF),y)
- usbhid-objs += hid-tmff.o
-endif
ifeq ($(CONFIG_ZEROPLUS_FF),y)
usbhid-objs += hid-zpff.o
endif
diff --git a/drivers/hid/usbhid/hid-ff.c b/drivers/hid/usbhid/hid-ff.c
index a868eef..ed3a869 100644
--- a/drivers/hid/usbhid/hid-ff.c
+++ b/drivers/hid/usbhid/hid-ff.c
@@ -50,12 +50,6 @@ struct hid_ff_initializer {
* be a PID device
*/
static struct hid_ff_initializer inits[] = {
-#ifdef CONFIG_THRUSTMASTER_FF
- { 0x44f, 0xb300, hid_tmff_init },
- { 0x44f, 0xb304, hid_tmff_init },
- { 0x44f, 0xb651, hid_tmff_init }, /* FGT Rumble Force Wheel */
- { 0x44f, 0xb654, hid_tmff_init }, /* FGT Force Feedback Wheel */
-#endif
#ifdef CONFIG_ZEROPLUS_FF
{ 0xc12, 0x0005, hid_zpff_init },
{ 0xc12, 0x0030, hid_zpff_init },
diff --git a/drivers/hid/usbhid/hid-tmff.c b/drivers/hid/usbhid/hid-tmff.c
deleted file mode 100644
index 451a8e6..0000000
--- a/drivers/hid/usbhid/hid-tmff.c
+++ /dev/null
@@ -1,232 +0,0 @@
-/*
- * Force feedback support for various HID compliant devices by ThrustMaster:
- * ThrustMaster FireStorm Dual Power 2
- * and possibly others whose device ids haven't been added.
- *
- * Modified to support ThrustMaster devices by Zinx Verituse
- * on 2003-01-25 from the Logitech force feedback driver,
- * which is by Johann Deneux.
- *
- * Copyright (c) 2003 Zinx Verituse <zinx@xxxxxxxxxxx>
- * Copyright (c) 2002 Johann Deneux
- */
-
-/*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include <linux/input.h>
-
-#undef DEBUG
-#include <linux/usb.h>
-
-#include <linux/hid.h>
-#include "usbhid.h"
-
-/* Usages for thrustmaster devices I know about */
-#define THRUSTMASTER_USAGE_FF (HID_UP_GENDESK | 0xbb)
-
-struct dev_type {
- u16 idVendor;
- u16 idProduct;
- const signed short *ff;
-};
-
-static const signed short ff_rumble[] = {
- FF_RUMBLE,
- -1
-};
-
-static const signed short ff_joystick[] = {
- FF_CONSTANT,
- -1
-};
-
-static const struct dev_type devices[] = {
- { 0x44f, 0xb300, ff_rumble },
- { 0x44f, 0xb304, ff_rumble },
- { 0x44f, 0xb651, ff_rumble }, /* FGT Rumble Force Wheel */
- { 0x44f, 0xb654, ff_joystick }, /* FGT Force Feedback Wheel */
-};
-
-struct tmff_device {
- struct hid_report *report;
- struct hid_field *ff_field;
-};
-
-/* Changes values from 0 to 0xffff into values from minimum to maximum */
-static inline int hid_tmff_scale_u16(unsigned int in,
- int minimum, int maximum)
-{
- int ret;
-
- ret = (in * (maximum - minimum) / 0xffff) + minimum;
- if (ret < minimum)
- return minimum;
- if (ret > maximum)
- return maximum;
- return ret;
-}
-
-/* Changes values from -0x80 to 0x7f into values from minimum to maximum */
-static inline int hid_tmff_scale_s8(int in,
- int minimum, int maximum)
-{
- int ret;
-
- ret = (((in + 0x80) * (maximum - minimum)) / 0xff) + minimum;
- if (ret < minimum)
- return minimum;
- if (ret > maximum)
- return maximum;
- return ret;
-}
-
-static int hid_tmff_play(struct input_dev *dev, void *data, struct ff_effect *effect)
-{
- struct hid_device *hid = input_get_drvdata(dev);
- struct tmff_device *tmff = data;
- struct hid_field *ff_field = tmff->ff_field;
- int x, y;
- int left, right; /* Rumbling */
-
- switch (effect->type) {
- case FF_CONSTANT:
- x = hid_tmff_scale_s8(effect->u.ramp.start_level,
- ff_field->logical_minimum,
- ff_field->logical_maximum);
- y = hid_tmff_scale_s8(effect->u.ramp.end_level,
- ff_field->logical_minimum,
- ff_field->logical_maximum);
-
- dbg_hid("(x, y)=(%04x, %04x)\n", x, y);
- ff_field->value[0] = x;
- ff_field->value[1] = y;
- usbhid_submit_report(hid, tmff->report, USB_DIR_OUT);
- break;
-
- case FF_RUMBLE:
- left = hid_tmff_scale_u16(effect->u.rumble.weak_magnitude,
- ff_field->logical_minimum,
- ff_field->logical_maximum);
- right = hid_tmff_scale_u16(effect->u.rumble.strong_magnitude,
- ff_field->logical_minimum,
- ff_field->logical_maximum);
-
- dbg_hid("(left,right)=(%08x, %08x)\n", left, right);
- ff_field->value[0] = left;
- ff_field->value[1] = right;
- usbhid_submit_report(hid, tmff->report, USB_DIR_OUT);
- break;
- }
- return 0;
-}
-
-int hid_tmff_init(struct hid_device *hid)
-{
- struct tmff_device *tmff;
- struct hid_report *report;
- struct list_head *report_list;
- struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list);
- struct input_dev *input_dev = hidinput->input;
- const signed short *ff_bits = ff_joystick;
- int error;
- int i;
-
- tmff = kzalloc(sizeof(struct tmff_device), GFP_KERNEL);
- if (!tmff)
- return -ENOMEM;
-
- /* Find the report to use */
- report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;
- list_for_each_entry(report, report_list, list) {
- int fieldnum;
-
- for (fieldnum = 0; fieldnum < report->maxfield; ++fieldnum) {
- struct hid_field *field = report->field[fieldnum];
-
- if (field->maxusage <= 0)
- continue;
-
- switch (field->usage[0].hid) {
- case THRUSTMASTER_USAGE_FF:
- if (field->report_count < 2) {
- dev_warn(&hid->dev,
- "ignoring FF field with report_count < 2\n");
- continue;
- }
-
- if (field->logical_maximum == field->logical_minimum) {
- dev_warn(&hid->dev,
- "ignoring FF field with logical_maximum == logical_minimum\n");
- continue;
- }
-
- if (tmff->report && tmff->report != report) {
- dev_warn(&hid->dev,
- "ignoring FF field in other report\n");
- continue;
- }
-
- if (tmff->ff_field && tmff->ff_field != field) {
- dev_warn(&hid->dev,
- "ignoring duplicate FF field\n");
- continue;
- }
-
- tmff->report = report;
- tmff->ff_field = field;
-
- for (i = 0; i < ARRAY_SIZE(devices); i++) {
- if (input_dev->id.vendor == devices[i].idVendor &&
- input_dev->id.product == devices[i].idProduct) {
- ff_bits = devices[i].ff;
- break;
- }
- }
-
- for (i = 0; ff_bits[i] >= 0; i++)
- set_bit(ff_bits[i], input_dev->ffbit);
-
- break;
-
- default:
- dev_warn(&hid->dev,
- "ignoring unknown output usage %08x\n",
- field->usage[0].hid);
- continue;
- }
- }
- }
-
- if (!tmff->report) {
- err("cant find FF field in output reports\n");
- error = -ENODEV;
- goto fail;
- }
-
- error = input_ff_create_memless(input_dev, tmff, hid_tmff_play);
- if (error)
- goto fail;
-
- dev_info(&hid->dev,
- "Force feedback for ThrustMaster devices by Zinx Verituse <zinx@xxxxxxxxxxx>\n");
- return 0;
-
- fail:
- kfree(tmff);
- return error;
-}
-
diff --git a/include/linux/hid.h b/include/linux/hid.h
index 260beba..2af65a7 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -760,7 +760,6 @@ void usbhid_set_leds(struct hid_device *hid);
#ifdef CONFIG_HID_FF
int hid_ff_init(struct hid_device *hid);

-int hid_tmff_init(struct hid_device *hid);
int hid_zpff_init(struct hid_device *hid);
#ifdef CONFIG_HID_PID
int hid_pidff_init(struct hid_device *hid);
--
1.6.0

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