static int __init hs_probe(struct platform_device *pdev) { int result; mic.hsmajor = 0; mic.headset_state = 0; mic.hsbtime.tv.sec = 0; mic.hsbtime.tv.nsec = 0; mic.headset_pd = NULL; #ifdef CONFIG_SWITCH result = hs_switchinit(&mic); if (result < 0) { return result; } #endif result = hs_inputdev(&mic); if (result < 0) { goto err; } result = register_chrdev(mic.hsmajor, "BrcmHeadset", &hs_fops); if(result < 0) { goto err1; } else if(result > 0 && (mic.hsmajor == 0)) /* this is for dynamic major */ { mic.hsmajor = result; } /* check if platform data is defined for a particular board variant */ if (pdev->dev.platform_data) { mic.headset_pd = pdev->dev.platform_data; if (mic.headset_pd->hsgpio == NULL) { mic.hsirq = mic.headset_pd->hsirq; } else { bcm_gpio_set_db_val(mic.headset_pd->hsgpio, 0x7); if (gpio_request(mic.headset_pd->hsgpio, "headset detect") < 0) { pr_info("Could not reserve headset signal GPIO!\n"); goto err2; } gpio_direction_input(mic.headset_pd->hsgpio); mic.hsirq = gpio_to_irq(mic.headset_pd->hsgpio); } mic.hsbirq = mic.headset_pd->hsbirq; } else { mic.hsirq = platform_get_irq(pdev, 0); mic.hsbirq = platform_get_irq(pdev, 1); } pr_info("HS irq %d\n",mic.hsirq); pr_info("HSB irq %d\n",mic.hsbirq); #if defined(CONFIG_HAS_WAKELOCK) wake_lock_init(&headsetbutton_wake_lock, WAKE_LOCK_SUSPEND, "BrcmHeadsetButton"); #endif result = request_irq(mic.hsbirq, hs_buttonisr, IRQF_NO_SUSPEND, "BrcmHeadsetButton", (void *) NULL); mic.hsbst = 1; /* Disabled */ disable_irq(mic.hsbirq); if(result < 0) { goto err2; } result = request_irq(mic.hsirq, hs_isr,(IRQF_TRIGGER_RISING|IRQF_TRIGGER_FALLING|IRQF_NO_SUSPEND), "BrcmHeadset", &mic); if(result < 0) { free_irq(mic.hsbirq, &mic); goto err2; } /* Check if the thresholds have been set for a particular board */ if (!mic.headset_pd->keypress_threshold_lp) mic.headset_pd->keypress_threshold_lp = KEYPRESS_THRESHOLD; if (!mic.headset_pd->keypress_threshold_fp) mic.headset_pd->keypress_threshold_fp = KEYPRESS_THRESHOLD; /* Set the ANACR2 bit for mic power down */ board_sysconfig(SYSCFG_HEADSET, SYSCFG_INIT); board_sysconfig(SYSCFG_AUXMIC, SYSCFG_INIT); if (mic.headset_pd->check_hs_state) writel(AUDIO_RX_LDO_OFF(readl(io_p2v(REG_ANACR2))), io_p2v(REG_ANACR2)); /*Fix the audio path is wrong when headset already plugged in the device then boot device case.*/ hs_isr(mic.hsirq,&mic); return 0; err2: unregister_chrdev(mic.hsmajor,"BrcmHeadset"); err1: hs_unreginputdev(&mic); input_free_device(&mic.headset_button_idev); err: hs_unregsysfs(&mic); return result; }
static int __init hs_probe(struct platform_device *pdev) { int result = 0; mic.pluging = DISABLE; mic.keypressing = INIT; result = hs_switchinit(&mic); if (result < 0) return result; result = hs_inputdev(&mic); if (result < 0) goto err; INIT_DELAYED_WORK(&(mic.imsi_work), getIMSI_work_func); wake_lock_init(&mic.det_wake_lock, WAKE_LOCK_SUSPEND, "brcm_headset_det"); mic.headset_workqueue = create_singlethread_workqueue("brcm_headset_wq"); if (mic.headset_workqueue == NULL) { printk("%s: Failed to create workqueue\n", __func__); goto err1; } /* check if platform data is defined for a particular board variant */ if (pdev->dev.platform_data) { mic.headset_pd = pdev->dev.platform_data; KEY_PRESS_THRESHOLD = mic.headset_pd->key_press_threshold; KEY_3POLE_THRESHOLD = mic.headset_pd->key_3pole_threshold; KEY1_THRESHOLD_L = mic.headset_pd->key1_threshold_l; KEY1_THRESHOLD_U = mic.headset_pd->key1_threshold_u; KEY2_THRESHOLD_L = mic.headset_pd->key2_threshold_l; KEY2_THRESHOLD_U = mic.headset_pd->key2_threshold_u; KEY3_THRESHOLD_L = mic.headset_pd->key3_threshold_l; KEY3_THRESHOLD_U = mic.headset_pd->key3_threshold_u; if (gpio_request(mic.headset_pd->hsgpio, "headset detect") < 0) { printk("%s: Could not reserve headset signal GPIO!\n", __func__); goto err2; } gpio_direction_input(mic.headset_pd->hsgpio); bcm_gpio_set_db_val(mic.headset_pd->hsgpio, 0x7); mic.headset_pd->hsirq = gpio_to_irq(mic.headset_pd->hsgpio); } else { goto err2; } /* Set the ANACR2 bit for mic power down */ board_sysconfig(SYSCFG_AUXMIC, SYSCFG_INIT); board_sysconfig(SYSCFG_HEADSET, SYSCFG_INIT); /*Fix the audio path is wrong when headset already plugged in the device then boot device case.*/ mic.headset_pd->check_hs_state(&mic.headset_state); set_irq_type(mic.headset_pd->hsirq, (mic.headset_state) ? IRQF_TRIGGER_RISING : IRQF_TRIGGER_FALLING); determine_state_func(); queue_delayed_work(mic.headset_workqueue, &(mic.imsi_work), GET_IMSI_REF_TIME); result = request_threaded_irq(mic.headset_pd->hsbirq, NULL, hs_buttonisr, (IRQF_ONESHOT |IRQF_NO_SUSPEND), "BrcmHeadsetButton", NULL); if(result < 0) goto err2; DISABLE_IRQ_MICON; result = request_threaded_irq(mic.headset_pd->hsirq, NULL, hs_isr, (IRQF_ONESHOT|IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING | IRQF_NO_SUSPEND), "BrcmHeadset", NULL); if(result < 0) { free_irq(mic.headset_pd->hsbirq, &mic); goto err2; } enable_irq_wake(mic.headset_pd->hsirq); set_irq_type(mic.headset_pd->hsirq, (mic.headset_state) ? IRQF_TRIGGER_RISING : IRQF_TRIGGER_FALLING); return 0; err2: destroy_workqueue(mic.headset_workqueue); err1: input_unregister_device(mic.headset_button_idev); err: switch_dev_unregister(&mic.sdev); return result; }
static int __init hs_probe(struct platform_device *pdev) { int result = 0; mic.hsmajor = 0; mic.headset_state = 0; mic.hsbtime.tv.sec = 0; mic.hsbtime.tv.nsec = 0; mic.headset_pd = NULL; mic.check_count = 0; #ifdef CONFIG_SWITCH result = hs_switchinit(&mic); if (result < 0) return result; #endif result = hs_inputdev(&mic); if (result < 0) goto err; result = register_chrdev(mic.hsmajor, "BrcmHeadset", &hs_fops); if(result < 0) goto err1; else if(result > 0 && (mic.hsmajor == 0)) /* this is for dynamic major */ mic.hsmajor = result; wake_lock_init(&mic.det_wake_lock, WAKE_LOCK_SUSPEND, "sec_jack_det"); INIT_DELAYED_WORK(&(mic.imsi_work), getIMSI_work_func); /* check if platform data is defined for a particular board variant */ if (pdev->dev.platform_data) { mic.headset_pd = pdev->dev.platform_data; KEY_PRESS_THRESHOLD = mic.headset_pd->key_press_threshold; KEY_3POLE_THRESHOLD = mic.headset_pd->key_3pole_threshold; KEY1_THRESHOLD_L = mic.headset_pd->key1_threshold_l; KEY1_THRESHOLD_U = mic.headset_pd->key1_threshold_u; KEY2_THRESHOLD_L = mic.headset_pd->key2_threshold_l; KEY2_THRESHOLD_U = mic.headset_pd->key2_threshold_u; KEY3_THRESHOLD_L = mic.headset_pd->key3_threshold_l; KEY3_THRESHOLD_U = mic.headset_pd->key3_threshold_u; if (mic.headset_pd->hsgpio == NULL) mic.hsirq = mic.headset_pd->hsirq; else { setup_timer(&mic.timer, gpio_jack_timer, (unsigned long)&mic); // timer register. if (gpio_request(mic.headset_pd->hsgpio, "headset detect") < 0) { printk("%s: Could not reserve headset signal GPIO!\n", __func__); goto err2; } gpio_direction_input(mic.headset_pd->hsgpio); bcm_gpio_set_db_val(mic.headset_pd->hsgpio, 0x7); mic.hsirq = gpio_to_irq(mic.headset_pd->hsgpio); } mic.hsbirq = mic.headset_pd->hsbirq; } else { mic.hsirq = platform_get_irq(pdev, 0); mic.hsbirq = platform_get_irq(pdev, 1); } printk("%s: HS irq %d\n", __func__, mic.hsirq); printk("%s: HSB irq %d\n", __func__, mic.hsbirq); result = request_irq(mic.hsbirq, hs_buttonisr, IRQF_NO_SUSPEND, "BrcmHeadsetButton", (void *) NULL); mic.hsbst = DISABLE; if(result < 0) goto err2; result = request_irq(mic.hsirq, hs_isr,(IRQF_DISABLED | IRQF_TRIGGER_RISING|IRQF_TRIGGER_FALLING | IRQF_NO_SUSPEND), "BrcmHeadset", &mic); if(result < 0) { free_irq(mic.hsbirq, &mic); goto err2; } printk("%s: BrcmHeadset: module inserted >>>> . Major number is = %d\n", __func__, mic.hsmajor); /* Set the ANACR2 bit for mic power down */ board_sysconfig(SYSCFG_AUXMIC, SYSCFG_INIT); board_sysconfig(SYSCFG_HEADSET, SYSCFG_INIT); /*Fix the audio path is wrong when headset already plugged in the device then boot device case.*/ if (mic.headset_pd->hsgpio != NULL) { mic.headset_pd->check_hs_state(&mic.headset_state); printk("%s: headset_state:%d\n", __func__, mic.headset_state); set_irq_type(mic.hsirq, (mic.headset_state) ? IRQF_TRIGGER_RISING : IRQF_TRIGGER_FALLING); schedule_work(&(mic.switch_data.work)); schedule_delayed_work(&(mic.imsi_work), GET_IMSI_REF_TIME); } return 0; err2: unregister_chrdev(mic.hsmajor,"BrcmHeadset"); if(mic.headset_pd->hsgpio) del_timer_sync(&mic.timer); err1: hs_unreginputdev(&mic); err: hs_unregsysfs(&mic); return result; }