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path: root/packages/kexecboot/linux-kexecboot-2.6.24/sharpsl-rc-r1.patch
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-rw-r--r--packages/kexecboot/linux-kexecboot-2.6.24/sharpsl-rc-r1.patch527
1 files changed, 527 insertions, 0 deletions
diff --git a/packages/kexecboot/linux-kexecboot-2.6.24/sharpsl-rc-r1.patch b/packages/kexecboot/linux-kexecboot-2.6.24/sharpsl-rc-r1.patch
new file mode 100644
index 0000000000..bed41c55d5
--- /dev/null
+++ b/packages/kexecboot/linux-kexecboot-2.6.24/sharpsl-rc-r1.patch
@@ -0,0 +1,527 @@
+This patch adds support for Sharp CE-RH2 on Spitz.
+
+It is not clean enough to be upstreamed:
+- It is a bit syslog-noisy.
+- Does not support other Zaurus models.
+- Maybe split to more parts:
+ * MAX1111 driver
+ * linear input device
+ * virtual keyboard on top of linear input device
+
+Index: linux-2.6.24/arch/arm/mach-pxa/spitz.c
+===================================================================
+--- linux-2.6.24.orig/arch/arm/mach-pxa/spitz.c 2008-03-10 17:05:37.000000000 +0000
++++ linux-2.6.24/arch/arm/mach-pxa/spitz.c 2008-03-10 17:05:55.000000000 +0000
+@@ -259,6 +259,13 @@
+ .id = -1,
+ };
+
++/*
++ * Spitz Remote Control Device
++ */
++static struct platform_device sharpsl_rc_device = {
++ .name = "sharpsl-remote-control",
++ .id = -1,
++};
+
+ /*
+ * Spitz LEDs
+@@ -548,6 +555,7 @@
+ &spitzscoop_device,
+ &spitzssp_device,
+ &spitzkbd_device,
++ &sharpsl_rc_device,
+ &spitzts_device,
+ &spitzbl_device,
+ &spitzled_device,
+Index: linux-2.6.24/drivers/input/keyboard/Kconfig
+===================================================================
+--- linux-2.6.24.orig/drivers/input/keyboard/Kconfig 2008-03-10 17:05:40.000000000 +0000
++++ linux-2.6.24/drivers/input/keyboard/Kconfig 2008-03-10 17:05:55.000000000 +0000
+@@ -154,6 +154,17 @@
+ To compile this driver as a module, choose M here: the
+ module will be called spitzkbd.
+
++config SHARPSL_RC
++ tristate "Sharp SL-Cxx00 Remote Control"
++ depends on PXA_SHARPSL
++ default y
++ help
++ Say Y here to enable the remote on the Sharp Zaurus SL-Cxx00,
++ SL-C1000, SL-C3000 and Sl-C3100 series of PDAs.
++
++ To compile this driver as a module, choose M here: the
++ module will be called sharpsl_rc.
++
+ config KEYBOARD_AMIGA
+ tristate "Amiga keyboard"
+ depends on AMIGA
+Index: linux-2.6.24/drivers/input/keyboard/Makefile
+===================================================================
+--- linux-2.6.24.orig/drivers/input/keyboard/Makefile 2008-03-10 17:05:40.000000000 +0000
++++ linux-2.6.24/drivers/input/keyboard/Makefile 2008-03-10 17:06:17.000000000 +0000
+@@ -26,3 +26,5 @@
+ obj-$(CONFIG_KEYBOARD_HP7XX) += jornada720_kbd.o
+ obj-$(CONFIG_KEYBOARD_MAPLE) += maple_keyb.o
+ obj-$(CONFIG_KEYBOARD_BFIN) += bf54x-keys.o
++obj-$(CONFIG_SHARPSL_RC) += sharpsl_rc.o
++
+Index: linux-2.6.24/drivers/input/keyboard/sharpsl_rc.c
+===================================================================
+--- /dev/null 1970-01-01 00:00:00.000000000 +0000
++++ linux-2.6.24/drivers/input/keyboard/sharpsl_rc.c 2008-03-10 17:05:55.000000000 +0000
+@@ -0,0 +1,291 @@
++/*
++ * Keyboard driver for Sharp Clamshell Models (SL-Cxx00)
++ *
++ * Copyright (c) 2004-2005 Richard Purdie
++ *
++ * Based on corgikbd.c and Sharp's RC driver
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ *
++ */
++
++#define DEBUG 1
++#include <linux/delay.h>
++#include <linux/platform_device.h>
++#include <linux/init.h>
++#include <linux/input.h>
++#include <linux/interrupt.h>
++#include <linux/jiffies.h>
++#include <linux/module.h>
++#include <linux/slab.h>
++
++#ifdef CONFIG_MACH_SPITZ
++#include <asm/arch/spitz.h>
++#endif
++#ifdef CONFIG_MACH_CORGI
++#include <asm/arch/corgi.h>
++#endif
++
++#include <asm/arch/hardware.h>
++#include <asm/arch/pxa-regs.h>
++#include <asm/hardware/scoop.h>
++#include <asm/arch/sharpsl.h>
++#include <asm/hardware/sharpsl_pm.h>
++
++#define DPRINTK(fmt, args...) dev_dbg(data->dev, fmt "\n", ##args)
++
++struct remote_control_key {
++ unsigned char min;
++ unsigned char max;
++ unsigned char key;
++};
++
++#ifdef CONFIG_MACH_SPITZ
++#define REMOTE_AKIN_PULLUP SPITZ_SCP2_AKIN_PULLUP
++#define REMOTE_SCOOP_DEVICE spitzscoop2_device
++#define REMOTE_GPIO_INT SPITZ_GPIO_AK_INT
++#define REMOTE_IRQ_INT SPITZ_IRQ_GPIO_AK_INT
++static struct remote_control_key remote_keys[] = {
++ { 25, 35, KEY_STOPCD},
++ { 55, 65, KEY_PLAYPAUSE},
++ { 85, 95, KEY_NEXTSONG},
++ { 115, 125, KEY_VOLUMEUP},
++ { 145, 155, KEY_PREVIOUSSONG},
++ { 180, 190, KEY_MUTE},
++ { 215, 225, KEY_VOLUMEDOWN},
++};
++#endif
++#ifdef CONFIG_MACH_CORGI
++#define REMOTE_AKIN_PULLUP CORGI_SCP_AKIN_PULLUP
++#define REMOTE_SCOOP_DEVICE corgiscoop_device
++#define REMOTE_GPIO_INT CORGI_GPIO_AK_INT
++#define REMOTE_IRQ_INT CORGI_IRQ_GPIO_AK_INT
++static struct remote_control_key remote_keys[] = {
++ //These need to be fixed for the CE-RH1's values
++ { 25, 35, KEY_STOPCD},
++ { 55, 65, KEY_PLAYPAUSE},
++ { 85, 95, KEY_NEXTSONG},
++ { 115, 125, KEY_VOLUMEUP},
++ { 145, 155, KEY_PREVIOUSSONG},
++ { 180, 190, KEY_MUTE},
++ { 215, 225, KEY_VOLUMEDOWN},
++};
++#endif
++
++#define RELEASE_HI 230
++#define MAX_EARPHONE 6
++#define RC_POLL_MS 10
++#define RC_FINISH_MS 500
++#define WAIT_STATE 3
++#define NOISE_THRESHOLD 100
++
++struct sharpsl_rc {
++ struct input_dev *input;
++ struct device *dev;
++
++ spinlock_t lock;
++ struct timer_list rctimer;
++ struct timer_list rctimer_finish;
++
++ unsigned int handling_press;
++ unsigned int noise;
++ unsigned int state;
++ unsigned int last_key;
++};
++
++static int get_remocon_raw(void)
++{
++ int i, val;
++
++ val = sharpsl_pm_pxa_read_max1111(MAX1111_REMCOM);
++ for (i = 0; i < ARRAY_SIZE(remote_keys); ++i) {
++ if (val >= remote_keys[i].min
++ && val <= remote_keys[i].max) {
++ printk("get_remocon_raw: VAL=%i, KEY=%i\n", val, remote_keys[i].key);
++ return remote_keys[i].key;
++ }
++ }
++ return 0;
++}
++
++static irqreturn_t sharpsl_rc_interrupt(int irq, void *dev_id, struct pt_regs *regs)
++{
++ struct sharpsl_rc *data = dev_id;
++ DPRINTK("sharpsl_rc_interrupt %d\n", irq);
++ if (!data->handling_press) {
++ DPRINTK("handling interrupt");
++ data->handling_press = 1;
++ data->noise = 0;
++ data->state = 0;
++ data->last_key = 0;
++
++ reset_scoop_gpio(&REMOTE_SCOOP_DEVICE.dev, REMOTE_AKIN_PULLUP);
++
++ mod_timer(&data->rctimer, jiffies + msecs_to_jiffies(RC_POLL_MS));
++ }
++ return IRQ_HANDLED;
++}
++
++static void sharpsl_rc_timer_callback(unsigned long dataPtr)
++{
++ struct sharpsl_rc *data = (struct sharpsl_rc *) dataPtr;
++ int timer = 1;
++ int key = get_remocon_raw();
++ DPRINTK("timer callback, key: %d", key);
++
++ //wait for value to stabilize
++ if (data->state < WAIT_STATE) {
++ if (data->last_key != key) {
++ ++data->noise;
++ if (data->noise > NOISE_THRESHOLD) {
++ DPRINTK("too much noise, bailing");
++ timer = 0;
++ }
++ data->state = 0;
++ } else {
++ ++data->state;
++ }
++ data->last_key = key;
++
++ //stable value, send event
++ } else if (data->state == WAIT_STATE) {
++ data->noise = 0;
++ //non-key returned, skip the rest of the states and bail now
++ if (data->last_key == 0) {
++ DPRINTK("non-key detected %d, noise: %d", data->last_key, data->noise);
++ timer = 0;
++ //send button press
++ } else {
++ DPRINTK("key press detected %d, noise %d", data->last_key, data->noise);
++ input_report_key(data->input, data->last_key, 1);
++ }
++ ++data->state;
++
++ //wait until key is released
++ } else if (data->state < WAIT_STATE * 2) {
++ if (key == data->last_key
++ && data->noise < NOISE_THRESHOLD) {
++ data->state = WAIT_STATE + 1;
++ ++data->noise;
++ } else {
++ ++data->state;
++ }
++ //key is released, send event
++ } else {
++ //send button release
++ DPRINTK("release key %d", data->last_key);
++ input_report_key(data->input, data->last_key, 0);
++ timer = 0;
++ }
++ if (timer) {
++ mod_timer(&data->rctimer, jiffies + msecs_to_jiffies(RC_POLL_MS));
++ } else {
++ set_scoop_gpio(&REMOTE_SCOOP_DEVICE.dev, REMOTE_AKIN_PULLUP);
++ data->handling_press = 0;
++ }
++}
++
++static int __init sharpsl_rc_probe(struct platform_device *pdev)
++{
++ struct sharpsl_rc *sharpsl_rc;
++ struct input_dev *input_dev;
++ int i, ret;
++
++ dev_dbg(&pdev->dev, "sharpsl_rc_probe\n");
++
++ sharpsl_rc = kzalloc(sizeof(struct sharpsl_rc), GFP_KERNEL);
++ input_dev = input_allocate_device();
++ if (!sharpsl_rc || !input_dev) {
++ kfree(sharpsl_rc);
++ input_free_device(input_dev);
++ return -ENOMEM;
++ }
++
++ platform_set_drvdata(pdev, sharpsl_rc);
++
++ sharpsl_rc->dev = &pdev->dev;
++ sharpsl_rc->input = input_dev;
++ spin_lock_init(&sharpsl_rc->lock);
++
++ /* Init Remote Control Timer */
++ init_timer(&sharpsl_rc->rctimer);
++ sharpsl_rc->rctimer.function = sharpsl_rc_timer_callback;
++ sharpsl_rc->rctimer.data = (unsigned long) sharpsl_rc;
++
++ input_dev->name = "Sharp Remote Control CE-RHX";
++ input_dev->phys = "sharpsl_rc/input0";
++ input_dev->id.bustype = BUS_HOST;
++ input_dev->id.vendor = 0x0001;
++ input_dev->id.product = 0x0001;
++ input_dev->id.version = 0x0100;
++ input_dev->cdev.dev = &pdev->dev;
++ input_dev->private = sharpsl_rc;
++
++ input_dev->evbit[0] = BIT(EV_KEY);
++
++ for (i = 0; i <= ARRAY_SIZE(remote_keys); i++)
++ set_bit(remote_keys[i].key, input_dev->keybit);
++
++ input_register_device(sharpsl_rc->input);
++
++ pxa_gpio_mode(REMOTE_GPIO_INT | GPIO_IN);
++ ret = request_irq(REMOTE_IRQ_INT,
++ sharpsl_rc_interrupt,
++ IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | IRQF_SHARED,
++ "sharpsl_rc",
++ sharpsl_rc);
++ if (ret < 0) {
++ dev_dbg(&pdev->dev, "Can't get IRQ: %d!\n", i);
++ kfree(sharpsl_rc);
++ input_free_device(input_dev);
++ return ret;
++ }
++
++ return 0;
++}
++
++static int sharpsl_rc_remove(struct platform_device *pdev)
++{
++ struct sharpsl_rc *sharpsl_rc = platform_get_drvdata(pdev);
++
++ dev_dbg(&pdev->dev, "sharpsl_rc_remove\n");
++
++ free_irq(REMOTE_IRQ_INT, sharpsl_rc);
++ del_timer_sync(&sharpsl_rc->rctimer);
++ input_unregister_device(sharpsl_rc->input);
++ kfree(sharpsl_rc);
++
++ return 0;
++}
++
++static struct platform_driver sharpsl_rc_driver = {
++ .probe = sharpsl_rc_probe,
++ .remove = sharpsl_rc_remove,
++ .suspend = NULL,
++ .resume = NULL,
++ .driver = {
++ .name = "sharpsl-remote-control",
++ },
++};
++
++static int __devinit sharpsl_rc_init(void)
++{
++ printk("sharpsl_rc_init\n");
++ return platform_driver_register(&sharpsl_rc_driver);
++}
++
++static void __exit sharpsl_rc_exit(void)
++{
++ printk("sharpsl_rc_exit\n");
++ platform_driver_unregister(&sharpsl_rc_driver);
++}
++
++module_init(sharpsl_rc_init);
++module_exit(sharpsl_rc_exit);
++
++MODULE_AUTHOR("Justin Patrin <papercrane@reversefold.com>");
++MODULE_AUTHOR("Richard Purdie <rpurdie@rpsys.net>");
++MODULE_DESCRIPTION("SharpSL Remote Control Driver");
++MODULE_LICENSE("GPL");
+Index: linux-2.6.24/drivers/input/keyboard/spitzkbd.c
+===================================================================
+--- linux-2.6.24.orig/drivers/input/keyboard/spitzkbd.c 2008-01-24 22:58:37.000000000 +0000
++++ linux-2.6.24/drivers/input/keyboard/spitzkbd.c 2008-03-10 17:05:55.000000000 +0000
+@@ -19,6 +19,7 @@
+ #include <linux/jiffies.h>
+ #include <linux/module.h>
+ #include <linux/slab.h>
++#include <linux/kmod.h>
+
+ #include <asm/arch/spitz.h>
+ #include <asm/arch/hardware.h>
+@@ -279,13 +280,21 @@
+ static int sharpsl_hinge_state;
+ static int hinge_count;
+
++void spitzkbd_handle_sharpsl_rc(void *arg) {
++ request_module("sharpsl_rc");
++}
++
++DECLARE_WORK(spitzkbd_work, spitzkbd_handle_sharpsl_rc);
++
+ static void spitzkbd_hinge_timer(unsigned long data)
+ {
+ struct spitzkbd *spitzkbd_data = (struct spitzkbd *) data;
+ unsigned long state;
+ unsigned long flags;
++ unsigned int headphone, remote;
+
+ state = GPLR(SPITZ_GPIO_SWA) & (GPIO_bit(SPITZ_GPIO_SWA)|GPIO_bit(SPITZ_GPIO_SWB));
++ state |= (GPLR(SPITZ_GPIO_HP_IN) & GPIO_bit(SPITZ_GPIO_HP_IN));
+ state |= (GPLR(SPITZ_GPIO_AK_INT) & GPIO_bit(SPITZ_GPIO_AK_INT));
+ if (state != sharpsl_hinge_state) {
+ hinge_count = 0;
+@@ -299,9 +308,18 @@
+
+ input_report_switch(spitzkbd_data->input, SW_LID, ((GPLR(SPITZ_GPIO_SWA) & GPIO_bit(SPITZ_GPIO_SWA)) != 0));
+ input_report_switch(spitzkbd_data->input, SW_TABLET_MODE, ((GPLR(SPITZ_GPIO_SWB) & GPIO_bit(SPITZ_GPIO_SWB)) != 0));
+- input_report_switch(spitzkbd_data->input, SW_HEADPHONE_INSERT, ((GPLR(SPITZ_GPIO_AK_INT) & GPIO_bit(SPITZ_GPIO_AK_INT)) != 0));
++
++ headphone = ((GPLR(SPITZ_GPIO_HP_IN) & GPIO_bit(SPITZ_GPIO_HP_IN)) != 0);
++ input_report_switch(spitzkbd_data->input, SW_HEADPHONE_INSERT, headphone);
++
++ remote = headphone && ((GPLR(SPITZ_GPIO_AK_INT) & GPIO_bit(SPITZ_GPIO_AK_INT)) == 0);
++ input_report_switch(spitzkbd_data->input, SW_REMOTE_INSERT, remote);
+ input_sync(spitzkbd_data->input);
+
++ if (remote) {
++ schedule_work(&spitzkbd_work);
++ }
++
+ spin_unlock_irqrestore(&spitzkbd_data->lock, flags);
+ } else {
+ mod_timer(&spitzkbd_data->htimer, jiffies + msecs_to_jiffies(HINGE_SCAN_INTERVAL));
+@@ -395,6 +413,7 @@
+ set_bit(SW_LID, input_dev->swbit);
+ set_bit(SW_TABLET_MODE, input_dev->swbit);
+ set_bit(SW_HEADPHONE_INSERT, input_dev->swbit);
++ set_bit(SW_REMOTE_INSERT, input_dev->swbit);
+
+ err = input_register_device(input_dev);
+ if (err)
+@@ -432,9 +451,12 @@
+ request_irq(SPITZ_IRQ_GPIO_SWB, spitzkbd_hinge_isr,
+ IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
+ "Spitzkbd SWB", spitzkbd);
+- request_irq(SPITZ_IRQ_GPIO_AK_INT, spitzkbd_hinge_isr,
++ request_irq(SPITZ_IRQ_GPIO_HP_IN, spitzkbd_hinge_isr,
+ IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
+ "Spitzkbd HP", spitzkbd);
++ request_irq(SPITZ_IRQ_GPIO_AK_INT, spitzkbd_hinge_isr,
++ IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | IRQF_SHARED,
++ "Spitzkbd HP Type", spitzkbd);
+
+ return 0;
+
+@@ -455,6 +477,7 @@
+ free_irq(SPITZ_IRQ_GPIO_ON_KEY, spitzkbd);
+ free_irq(SPITZ_IRQ_GPIO_SWA, spitzkbd);
+ free_irq(SPITZ_IRQ_GPIO_SWB, spitzkbd);
++ free_irq(SPITZ_IRQ_GPIO_HP_IN, spitzkbd);
+ free_irq(SPITZ_IRQ_GPIO_AK_INT, spitzkbd);
+
+ del_timer_sync(&spitzkbd->htimer);
+Index: linux-2.6.24/arch/arm/mach-pxa/sharpsl.h
+===================================================================
+--- linux-2.6.24.orig/arch/arm/mach-pxa/sharpsl.h 2008-03-10 17:05:35.000000000 +0000
++++ linux-2.6.24/arch/arm/mach-pxa/sharpsl.h 2008-03-10 17:05:55.000000000 +0000
+@@ -37,15 +37,10 @@
+ */
+ #define READ_GPIO_BIT(x) (GPLR(x) & GPIO_bit(x))
+
+-/* MAX1111 Channel Definitions */
+-#define MAX1111_BATT_VOLT 4u
+-#define MAX1111_BATT_TEMP 2u
+-#define MAX1111_ACIN_VOLT 6u
+-
+ extern struct battery_thresh spitz_battery_levels_acin[];
+ extern struct battery_thresh spitz_battery_levels_noac[];
+ void sharpsl_pm_pxa_init(void);
+ void sharpsl_pm_pxa_remove(void);
+-int sharpsl_pm_pxa_read_max1111(int channel);
++
+
+
+Index: linux-2.6.24/arch/arm/mach-pxa/sharpsl_pm.c
+===================================================================
+--- linux-2.6.24.orig/arch/arm/mach-pxa/sharpsl_pm.c 2008-01-24 22:58:37.000000000 +0000
++++ linux-2.6.24/arch/arm/mach-pxa/sharpsl_pm.c 2008-03-10 17:05:55.000000000 +0000
+@@ -135,6 +135,8 @@
+ | MAXCTRL_SGL | MAXCTRL_UNI | MAXCTRL_STR);
+ }
+
++EXPORT_SYMBOL(sharpsl_pm_pxa_read_max1111);
++
+ void sharpsl_pm_pxa_init(void)
+ {
+ pxa_gpio_mode(sharpsl_pm.machinfo->gpio_acin | GPIO_IN);
+Index: linux-2.6.24/include/asm-arm/hardware/sharpsl_pm.h
+===================================================================
+--- linux-2.6.24.orig/include/asm-arm/hardware/sharpsl_pm.h 2008-01-24 22:58:37.000000000 +0000
++++ linux-2.6.24/include/asm-arm/hardware/sharpsl_pm.h 2008-03-10 17:05:55.000000000 +0000
+@@ -104,3 +104,10 @@
+ irqreturn_t sharpsl_chrg_full_isr(int irq, void *dev_id);
+ irqreturn_t sharpsl_fatal_isr(int irq, void *dev_id);
+
++/* MAX1111 Channel Definitions */
++#define MAX1111_REMCOM 0u
++#define MAX1111_BATT_VOLT 4u
++#define MAX1111_BATT_TEMP 2u
++#define MAX1111_ACIN_VOLT 6u
++
++int sharpsl_pm_pxa_read_max1111(int channel);
+Index: linux-2.6.24/include/linux/input.h
+===================================================================
+--- linux-2.6.24.orig/include/linux/input.h 2008-01-24 22:58:37.000000000 +0000
++++ linux-2.6.24/include/linux/input.h 2008-03-10 17:05:55.000000000 +0000
+@@ -636,6 +636,7 @@
+ #define SW_TABLET_MODE 0x01 /* set = tablet mode */
+ #define SW_HEADPHONE_INSERT 0x02 /* set = inserted */
+ #define SW_RADIO 0x03 /* set = radio enabled */
++#define SW_REMOTE_INSERT 0x04 /* set = remote */
+ #define SW_MAX 0x0f
+ #define SW_CNT (SW_MAX+1)
+
+Index: linux-2.6.24/arch/arm/mach-pxa/spitz_pm.c
+===================================================================
+--- linux-2.6.24.orig/arch/arm/mach-pxa/spitz_pm.c 2008-03-10 17:05:40.000000000 +0000
++++ linux-2.6.24/arch/arm/mach-pxa/spitz_pm.c 2008-03-10 17:05:55.000000000 +0000
+@@ -162,6 +162,13 @@
+ if (resume_on_alarm && (PEDR & PWER_RTC))
+ is_resume |= PWER_RTC;
+
++ printk("wakeup: PEDR: %x, PKSR: %x, HP_IN: %x, AK_INT: %x\n", PEDR, PKSR, GPIO_bit(SPITZ_GPIO_HP_IN), GPIO_bit(SPITZ_GPIO_AK_INT));
++
++ //remote/headphone interrupt, wakeup
++ if (PEDR == 0 && (PKSR & 0xc0d01) != 0) {
++ is_resume |= PWER_RTC;
++ }
++
+ dev_dbg(sharpsl_pm.dev, "is_resume: %x\n",is_resume);
+ return is_resume;
+ }
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