--- /dev/null
+/*
+ * Copyright (C) 2012 ROCKCHIP, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ *
+ */
+/* Rock-chips rfkill driver for bluetooth
+ *
+ * BT Ô´ÂëÓÉÔÀ´µÄarch/arm/mach-rkxx/board-xxx-rfkill.cÒÆÖÁ´Ë´¦
+ * GPIOµÄÅäÖÃÔÚ arch/arm/mach-rkxx/board-rkxx-sdk.c µÄrfkill_rk_platdata½á¹¹ÌåÖÐ
+ *
+ * Çë¸ù¾Ýʵ¼ÊÇé¿öÅäÖúÃÀ¶ÑÀµÄ¸÷¸öGPIOÒý½Å£¬Òý½ÅÅäÖÃ˵Ã÷ÈçÏÂ:
+ .xxxx_gpio = {
+ .io = -1, // GPIOÖµ£¬ -1 ±íʾÎ޴˹¦ÄÜ
+ .enable = -1, // ʹÄÜ, GPIO_HIGH - ¸ßʹÄÜ£¬ GPIO_LOW - µÍʹÄÜ
+ .iomux = {
+ .name = NULL, // IOMUXÃû³Æ£¬NULL ±íʾËüÊǵ¥¹¦ÄÜ£¬²»ÐèÒªmux
+ .fgpio = -1, // ÅäÖÃΪGPIOʱ£¬Ó¦ÉèÖõÄÖµ
+ .fmux = -1, // ÅäÖÃΪ¸´Óù¦ÄÜʱ£¬Ó¦ÉèÖõÄÖµ
+ },
+ },
+*/
+
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/module.h>
+#include <linux/rfkill.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <asm/gpio.h>
+#include <mach/iomux.h>
+#include <linux/delay.h>
+#include <linux/rfkill-rk.h>
+#include <linux/wakelock.h>
+#include <linux/interrupt.h>
+#include <asm/irq.h>
+#include <linux/suspend.h>
+
+#if 0
+#define DBG(x...) printk(KERN_INFO "[BT_RFKILL]: "x)
+#else
+#define DBG(x...)
+#endif
+
+#define LOG(x...) printk(KERN_INFO "[BT_RFKILL]: "x)
+
+#define BT_WAKEUP_TIMEOUT 3000
+#define BT_IRQ_WAKELOCK_TIMEOUT 10*1000
+
+#define BT_BLOCKED true
+#define BT_UNBLOCK false
+#define BT_SLEEP true
+#define BT_WAKEUP false
+
+enum {
+ IOMUX_FNORMAL=0,
+ IOMUX_FGPIO,
+ IOMUX_FMUX,
+};
+
+#ifdef CONFIG_ARCH_RK29
+ #define rk_mux_api_set(name,mode) rk29_mux_api_set(name,mode)
+#elif defined (CONFIG_ARCH_RK30)
+ #define rk_mux_api_set(name,mode) rk30_mux_api_set(name,mode)
+#else
+ #define rk_mux_api_set(name,mode)
+#endif
+
+// RK29+BCM4329, ÆäwifiÓëbtµÄpower¿ØÖƽÅÊǽÓÔÚÒ»ÆðµÄ
+// ÔÚ¸øbtϵçʱ£¬ÐèÒªÏÈÅжÏwifi״̬
+#if defined(CONFIG_ARCH_RK29) && defined(CONFIG_BCM4329)
+#define WIFI_BT_POWER_TOGGLE 1
+extern int rk29sdk_bt_power_state;
+extern int rk29sdk_wifi_power_state;
+#else
+#define WIFI_BT_POWER_TOGGLE 0
+#endif
+
+struct rfkill_rk_data {
+ // Ö¸ÏòboardÖж¨ÒåµÄplatform data
+ struct rfkill_rk_platform_data *pdata;
+
+ // Ö¸ÏòrfkillÉ豸£¬ËüÓÉrfkill_alloc´´½¨
+ struct rfkill *rfkill_dev;
+
+ // ÔÚIRQÖжϺ¯ÊýÖÐʹÓã¬È·±£ÔÚBT»½ÐÑAPºó£¬²»»áÁ¢¼´
+ // µ÷ÓÃsuspend½øÈë˯Ãß
+ struct wake_lock bt_irq_wl;
+
+ // ÔÚ»½ÐÑBTºó£¬Í¨¹ý¸Ãdelay workÑÓʱһ¶Îʱ¼äºó½øÈë˯Ãß
+ // Èç¹ûdelay work»¹Î´Ö´ÐоÍÓÖÀ´Ò»´Î BT wake£¬Ôò»áÏÈcancel
+ // ÒÑÓÐµÄ delay work£¬²¢ÖØмÆʱ¡£
+ struct delayed_work bt_sleep_delay_work;
+};
+
+struct rfkill_rk_data *g_rfkill = NULL;
+
+static const char bt_name[] =
+#if defined(CONFIG_RKWIFI)
+ #if defined(CONFIG_RKWIFI_26M)
+ "rk903_26M"
+ #else
+ "rk903"
+ #endif
+#elif defined(CONFIG_BCM4329)
+ "bcm4329"
+#elif defined(CONFIG_MV8787)
+ "mv8787"
+#else
+ "bt_default"
+#endif
+;
+
+/*
+ * rfkill_rk_wake_host_irq - BT_WAKE_HOST Öжϻص÷º¯Êý
+ * ÉêÇëÒ»¸öwakelock£¬ÒÔÈ·±£´Ë´Î»½ÐѲ»»áÂíÉϽáÊø
+ */
+static irqreturn_t rfkill_rk_wake_host_irq(int irq, void *dev)
+{
+ struct rfkill_rk_data *rfkill = dev;
+ LOG("BT_WAKE_HOST IRQ fired\n");
+
+ DBG("BT IRQ wakeup, request %dms wakelock\n", BT_IRQ_WAKELOCK_TIMEOUT);
+
+ wake_lock_timeout(&rfkill->bt_irq_wl,
+ msecs_to_jiffies(BT_IRQ_WAKELOCK_TIMEOUT));
+
+ return IRQ_HANDLED;
+}
+
+/*
+ * rfkill_rk_setup_gpio - ÉèÖÃGPIO
+ * gpio - ÒªÉèÖõÄGPIO
+ * mux - iomux ʲô¹¦ÄÜ
+ * prefix,name - ×é³É¸ÃIOµÄÃû³Æ
+ * ·µ»ØÖµ
+ * ·µ»ØÖµÓë gpio_request Ïàͬ
+ */
+static int rfkill_rk_setup_gpio(struct rfkill_rk_gpio* gpio, int mux, const char* prefix, const char* name)
+{
+ if (gpio_is_valid(gpio->io)) {
+ int ret=0;
+ sprintf(gpio->name, "%s_%s", prefix, name);
+ ret = gpio_request(gpio->io, gpio->name);
+ if (ret) {
+ LOG("Failed to get %s gpio.\n", gpio->name);
+ return -1;
+ }
+ if (gpio->iomux.name)
+ {
+ if (mux==1)
+ rk_mux_api_set(gpio->iomux.name, gpio->iomux.fgpio);
+ else if (mux==2)
+ rk_mux_api_set(gpio->iomux.name, gpio->iomux.fmux);
+ else
+ ;// do nothing
+ }
+ }
+
+ return 0;
+}
+
+// ÉèÖÃ BT_WAKE_HOST IRQ
+static int rfkill_rk_setup_wake_irq(struct rfkill_rk_data* rfkill)
+{
+ int ret=0;
+ struct rfkill_rk_irq* irq = &(rfkill->pdata->wake_host_irq);
+
+ ret = rfkill_rk_setup_gpio(&irq->gpio, IOMUX_FGPIO, rfkill->pdata->name, "wake_host");
+ if (ret) goto fail1;
+
+ if (gpio_is_valid(irq->gpio.io))
+ {
+ ret = gpio_pull_updown(irq->gpio.io, irq->is_falling?GPIOPullUp:GPIOPullDown);
+ if (ret) goto fail2;
+ DBG("Request irq for bt wakeup host\n");
+ irq->irq = gpio_to_irq(irq->gpio.io);
+ sprintf(irq->name, "%s_irq", irq->gpio.name);
+ ret = request_irq(irq->irq,
+ rfkill_rk_wake_host_irq,
+ irq->is_falling?IRQF_TRIGGER_FALLING:IRQF_TRIGGER_RISING,
+ irq->name,
+ rfkill);
+ if (ret) goto fail2;
+ disable_irq(irq->irq);
+ ret = enable_irq_wake(irq->irq);
+ if (ret) goto fail3;
+ }
+
+ return ret;
+
+fail3:
+ free_irq(irq->gpio.io, rfkill);
+fail2:
+ gpio_free(irq->gpio.io);
+fail1:
+ return ret;
+}
+
+static inline void rfkill_rk_sleep_bt_internal(struct rfkill_rk_data *rfkill, bool sleep)
+{
+ struct rfkill_rk_gpio *wake = &rfkill->pdata->wake_gpio;
+
+ DBG("*** bt sleep: %d ***\n", sleep);
+ gpio_direction_output(wake->io, sleep?!wake->enable:wake->enable);
+}
+
+static void rfkill_rk_delay_sleep_bt(struct work_struct *work)
+{
+ struct rfkill_rk_data *rfkill = NULL;
+ DBG("Enter %s\n",__FUNCTION__);
+
+ rfkill = container_of(work, struct rfkill_rk_data, bt_sleep_delay_work.work);
+
+ rfkill_rk_sleep_bt_internal(rfkill, BT_SLEEP);
+}
+
+/*
+ * rfkill_rk_sleep_bt - Sleep or Wakeup BT
+ * 1 ÔÚ¸øBTÉϵçʱºò£¬µ÷Óøú¯Êý»½ÐÑBT
+ * 2 ÔÚsuspendÇý¶¯Ê±ºò£¬µ÷Óøú¯Êý˯ÃßBT
+ * 3 ÔÚHCIÇý¶¯ÖУ¬µ±ÓÐÃüÁî·¢Ë͸øBTʱ£¬µ÷Óøú¯Êý»½ÐÑBT
+ *
+ * ¶ÔÀ¶ÑÀµÄÖ¸Áî·¢ËÍÊÇ·¢ÉúÔÚÀ¶ÑÀÉϵçÖ®ºó£¬Òò´Ë1Óë3²»»áͬʱµ÷Óøú¯Êý
+ * À¶ÑÀÖ¸Áî·¢ËÍÓÉÓû§²ã·¢Æð£¬2Óë3²»»áͬʱµ÷Óøú¯Êý
+ */
+void rfkill_rk_sleep_bt(bool sleep)
+{
+ struct rfkill_rk_data *rfkill = g_rfkill;
+ struct rfkill_rk_gpio *wake;
+ bool ret;
+ DBG("Enter %s\n",__FUNCTION__);
+
+ if (rfkill==NULL)
+ {
+ LOG("*** RFKILL is empty???\n");
+ return;
+ }
+
+ wake = &rfkill->pdata->wake_gpio;
+ if (!gpio_is_valid(wake->io))
+ {
+ DBG("*** Not support bt wakeup and sleep\n");
+ return;
+ }
+
+ // È¡Ïûdelay work£¬Èç¹ûwork´¦ÓÚpendding£¬ÔòÁ¢¼´È¡Ïû
+ // Èç¹ûwork´¦ÓÚrunning£¬ÔòµÈ´ýÖ±µ½¸Ãwork½áÊø
+ ret = cancel_delayed_work_sync(&rfkill->bt_sleep_delay_work);
+
+ rfkill_rk_sleep_bt_internal(rfkill, sleep);
+
+ if (sleep==BT_WAKEUP)
+ {
+ // ÖØÐÂÉèÖÃdelay work
+ schedule_delayed_work(&rfkill->bt_sleep_delay_work,
+ msecs_to_jiffies(BT_WAKEUP_TIMEOUT));
+ }
+}
+EXPORT_SYMBOL(rfkill_rk_sleep_bt);
+
+static int rfkill_rk_set_power(void *data, bool blocked)
+{
+ struct rfkill_rk_data *rfkill = data;
+ struct rfkill_rk_gpio *poweron = &rfkill->pdata->poweron_gpio;
+ struct rfkill_rk_gpio *reset = &rfkill->pdata->reset_gpio;
+
+ DBG("Enter %s\n", __func__);
+
+ DBG("Set blocked:%d\n", blocked);
+
+ if (false == blocked) {
+ rfkill_rk_sleep_bt(BT_WAKEUP); // ensure bt is wakeup
+
+ if (gpio_is_valid(poweron->io))
+ {
+ gpio_direction_output(poweron->io, poweron->enable);
+ msleep(20);
+ }
+ if (gpio_is_valid(reset->io))
+ {
+ gpio_direction_output(reset->io, reset->enable);
+ msleep(20);
+ gpio_direction_output(reset->io, !reset->enable);
+ msleep(20);
+ }
+
+ LOG("bt turn on power\n");
+ } else {
+#if WIFI_BT_POWER_TOGGLE
+ if (!rk29sdk_wifi_power_state) {
+#endif
+ if (gpio_is_valid(poweron->io))
+ {
+ gpio_direction_output(poweron->io, !poweron->enable);
+ msleep(20);
+ }
+
+ LOG("bt shut off power\n");
+#if WIFI_BT_POWER_TOGGLE
+ }else {
+ LOG("bt shouldn't shut off power, wifi is using it!\n");
+ }
+#endif
+ if (gpio_is_valid(reset->io))
+ {
+ gpio_direction_output(reset->io, reset->enable);/* bt reset active*/
+ msleep(20);
+ }
+ }
+
+#if WIFI_BT_POWER_TOGGLE
+ rk29sdk_bt_power_state = !blocked;
+#endif
+ return 0;
+}
+
+static int rfkill_rk_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ struct rfkill_rk_data *rfkill = platform_get_drvdata(pdev);
+ struct rfkill_rk_gpio* rts = &rfkill->pdata->rts_gpio;
+ struct rfkill_rk_irq* wake_host_irq = &rfkill->pdata->wake_host_irq;
+ DBG("Enter %s\n",__FUNCTION__);
+
+ //To prevent uart to receive bt data when suspended
+ if (gpio_is_valid(rts->io))
+ {
+ DBG("Disable UART_RTS\n");
+ if (rts->iomux.name)
+ {
+ rk_mux_api_set(rts->iomux.name, rts->iomux.fgpio);
+ }
+ gpio_direction_output(rts->io, !rts->enable);
+ }
+
+#ifdef CONFIG_BT_AUTOSLEEP
+ // BT½øÈë˯Ãß״̬£¬²»½ÓÊÕÖ÷¿ØÊý¾Ý
+ rfkill_rk_sleep_bt(BT_SLEEP);
+#endif
+
+ /* ÖÁ´Ë£¬À¶ÑÀ²»ÔÙËÍÊý¾Ýµ½UART£¬Ò²²»ÔÙ½ÓÊÕÖ÷¿ØµÄUARTÊý¾Ý
+ * ½Ó×ŵ÷ÓÃenable_irqʹÄÜ bt_wake_host irq£¬µ±Ô¶¶ËÉ豸ÓÐÊý¾Ý
+ * µ½À´Ê±£¬½«Í¨¹ý¸ÃIRQ»½ÐÑÖ÷¿Ø
+ */
+
+ // enable bt wakeup host
+ if (gpio_is_valid(wake_host_irq->gpio.io))
+ {
+ DBG("enable irq for bt wakeup host\n");
+ enable_irq(wake_host_irq->irq);
+ }
+
+#ifdef CONFIG_RFKILL_RESET
+ rfkill_set_states(rfkill->rfkill_dev, BT_BLOCKED, false);
+ rfkill_rk_set_power(rfkill, BT_BLOCKED);
+#endif
+
+ return 0;
+}
+
+static int rfkill_rk_resume(struct platform_device *pdev)
+{
+ struct rfkill_rk_data *rfkill = platform_get_drvdata(pdev);
+ struct rfkill_rk_irq* wake_host_irq = NULL;
+ struct rfkill_rk_gpio* rts = NULL;
+ DBG("Enter %s\n",__FUNCTION__);
+
+ wake_host_irq = &rfkill->pdata->wake_host_irq;
+ rts = &rfkill->pdata->rts_gpio;
+
+ if (gpio_is_valid(wake_host_irq->gpio.io))
+ {
+ // ½ûÓõô BT_WAKE_HOST IRQ£¬È·±£ÔÚϵͳ»½ÐѺ󲻻áÒòBTµÄ²Ù×÷
+ // ¶ø¶à´Î´¥·¢¸ÃÖжÏ
+ DBG("** disable bt wakeup host\n");
+ disable_irq(wake_host_irq->irq);
+ }
+
+ /* ʹÓÃUART_RTS£¬´ËʱÀ¶ÑÀÈç¹ûÓÐÊý¾Ý¾Í»áË͵½UART
+ * Éϲã·ÖÎöËÍÀ´µÄÊý¾Ý²¢×ö³öÏàÓ¦µÄ¶¯×÷£¬±ÈÈç: ËÍÀ´µÄÊÇ
+ * Åä¶ÔÇëÇó£¬ÔòÉϲ㽫»áÁÁÆÁ²¢µ¯³öÅä¶Ô½çÃæ
+ */
+ if (gpio_is_valid(rts->io))
+ {
+ DBG("Enable UART_RTS\n");
+ gpio_direction_output(rts->io, rts->enable);
+ if (rts->iomux.name)
+ {
+ rk_mux_api_set(rts->iomux.name, rts->iomux.fmux);
+ }
+ }
+
+ return 0;
+}
+
+static const struct rfkill_ops rfkill_rk_ops = {
+ .set_block = rfkill_rk_set_power,
+};
+
+static int rfkill_rk_probe(struct platform_device *pdev)
+{
+ struct rfkill_rk_data *rfkill;
+ struct rfkill_rk_platform_data *pdata = pdev->dev.platform_data;
+ int ret = 0;
+
+ DBG("Enter %s\n", __func__);
+
+ if (!pdata) {
+ LOG("%s: No platform data specified\n", __func__);
+ return -EINVAL;
+ }
+
+ pdata->name = (char*)bt_name;
+
+ rfkill = kzalloc(sizeof(*rfkill), GFP_KERNEL);
+ if (!rfkill)
+ return -ENOMEM;
+
+ rfkill->pdata = pdata;
+ g_rfkill = rfkill;
+
+ // ÉêÇëGPIOÒÔ¼°IRQ
+ DBG("init gpio\n");
+ // ¶ÔÓÚRK29 BCM4329£¬ËüµÄpoweron ioÓëwifi¹²Óã¬ÔÚboadÎļþÖÐÒѾrequest
+ // ´Ë´¦²»ÓÃÈ¥ÉêÇë
+#if !WIFI_BT_POWER_TOGGLE
+ ret = rfkill_rk_setup_gpio(&pdata->poweron_gpio, IOMUX_FGPIO, pdata->name, "poweron");
+ if (ret) goto fail_alloc;
+#endif
+
+ ret = rfkill_rk_setup_gpio(&pdata->reset_gpio, IOMUX_FGPIO, pdata->name, "reset");
+ if (ret) goto fail_poweron;
+
+ ret = rfkill_rk_setup_gpio(&pdata->wake_gpio, IOMUX_FGPIO, pdata->name, "wake");
+ if (ret) goto fail_reset;
+
+ ret = rfkill_rk_setup_wake_irq(rfkill);
+ if (ret) goto fail_wake;
+
+ ret = rfkill_rk_setup_gpio(&(pdata->rts_gpio), IOMUX_FNORMAL, rfkill->pdata->name, "rts");
+ if (ret) goto fail_wake_host_irq;
+
+ // ´´½¨²¢×¢²áRFKILLÉ豸
+ DBG("setup rfkill\n");
+ rfkill->rfkill_dev = rfkill_alloc(pdata->name, &pdev->dev, pdata->type,
+ &rfkill_rk_ops, rfkill);
+ if (!rfkill->rfkill_dev)
+ goto fail_rts;
+
+ // cmy: ÉèÖÃrfkill³õʼ״̬Ϊblocked£¬ÔÚ×¢²áʱ²»»áµ÷Óà set_blockedº¯Êý
+ rfkill_set_states(rfkill->rfkill_dev, BT_BLOCKED, false);
+ ret = rfkill_register(rfkill->rfkill_dev);
+ if (ret < 0)
+ goto fail_rfkill;
+
+ wake_lock_init(&(rfkill->bt_irq_wl), WAKE_LOCK_SUSPEND, "rfkill_rk_irq_wl");
+ INIT_DELAYED_WORK(&rfkill->bt_sleep_delay_work, rfkill_rk_delay_sleep_bt);
+
+ // cmy: ÉèÖÃÀ¶ÑÀµçÔ´µÄ״̬Ϊ blocked
+ rfkill_rk_set_power(rfkill, BT_BLOCKED);
+
+ platform_set_drvdata(pdev, rfkill);
+
+ LOG("%s device registered.\n", pdata->name);
+
+ return 0;
+
+fail_rfkill:
+ rfkill_destroy(rfkill->rfkill_dev);
+fail_rts:
+ if (gpio_is_valid(pdata->rts_gpio.io))
+ gpio_free(pdata->rts_gpio.io);
+fail_wake_host_irq:
+ if (gpio_is_valid(pdata->wake_host_irq.gpio.io)){
+ free_irq(pdata->wake_host_irq.irq, rfkill);
+ gpio_free(pdata->wake_host_irq.gpio.io);
+ }
+fail_wake:
+ if (gpio_is_valid(pdata->wake_gpio.io))
+ gpio_free(pdata->wake_gpio.io);
+fail_reset:
+ if (gpio_is_valid(pdata->reset_gpio.io))
+ gpio_free(pdata->reset_gpio.io);
+fail_poweron:
+#if !WIFI_BT_POWER_TOGGLE
+ if (gpio_is_valid(pdata->poweron_gpio.io))
+ gpio_free(pdata->poweron_gpio.io);
+#endif
+fail_alloc:
+ kfree(rfkill);
+ g_rfkill = NULL;
+
+ return ret;
+}
+
+static int rfkill_rk_remove(struct platform_device *pdev)
+{
+ struct rfkill_rk_data *rfkill = platform_get_drvdata(pdev);
+
+ LOG("Enter %s\n", __func__);
+
+ rfkill_unregister(rfkill->rfkill_dev);
+ rfkill_destroy(rfkill->rfkill_dev);
+
+ wake_lock_destroy(&rfkill->bt_irq_wl);
+
+ cancel_delayed_work_sync(&rfkill->bt_sleep_delay_work);
+
+ // free gpio
+ if (gpio_is_valid(rfkill->pdata->rts_gpio.io))
+ gpio_free(rfkill->pdata->rts_gpio.io);
+
+ if (gpio_is_valid(rfkill->pdata->wake_host_irq.gpio.io)){
+ free_irq(rfkill->pdata->wake_host_irq.irq, rfkill);
+ gpio_free(rfkill->pdata->wake_host_irq.gpio.io);
+ }
+
+ if (gpio_is_valid(rfkill->pdata->wake_gpio.io))
+ gpio_free(rfkill->pdata->wake_gpio.io);
+
+ if (gpio_is_valid(rfkill->pdata->reset_gpio.io))
+ gpio_free(rfkill->pdata->reset_gpio.io);
+
+ if (gpio_is_valid(rfkill->pdata->poweron_gpio.io))
+ gpio_free(rfkill->pdata->poweron_gpio.io);
+
+ kfree(rfkill);
+ g_rfkill = NULL;
+
+ return 0;
+}
+
+static struct platform_driver rfkill_rk_driver = {
+ .probe = rfkill_rk_probe,
+ .remove = __devexit_p(rfkill_rk_remove),
+ .suspend = rfkill_rk_suspend,
+ .resume = rfkill_rk_resume,
+ .driver = {
+ .name = "rfkill_rk",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init rfkill_rk_init(void)
+{
+ LOG("Enter %s\n", __func__);
+ return platform_driver_register(&rfkill_rk_driver);
+}
+
+static void __exit rfkill_rk_exit(void)
+{
+ LOG("Enter %s\n", __func__);
+ platform_driver_unregister(&rfkill_rk_driver);
+}
+
+module_init(rfkill_rk_init);
+module_exit(rfkill_rk_exit);
+
+MODULE_DESCRIPTION("rock-chips rfkill for Bluetooth v0.2");
+MODULE_AUTHOR("cmy@rock-chips.com, cz@rock-chips.com");
+MODULE_LICENSE("GPL");
+
projects / firefly-linux-kernel-4.4.55.git / commitdiff