diff options
Diffstat (limited to 'drivers/media/rc/ir-raw.c')
| -rw-r--r-- | drivers/media/rc/ir-raw.c | 49 |
1 files changed, 20 insertions, 29 deletions
diff --git a/drivers/media/rc/ir-raw.c b/drivers/media/rc/ir-raw.c index 73230ff93b8..763c9d131d0 100644 --- a/drivers/media/rc/ir-raw.c +++ b/drivers/media/rc/ir-raw.c @@ -1,6 +1,6 @@ /* ir-raw.c - handle IR pulse/space events * - * Copyright (C) 2010 by Mauro Carvalho Chehab <mchehab@redhat.com> + * Copyright (C) 2010 by Mauro Carvalho Chehab * * 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 @@ -12,8 +12,10 @@ * GNU General Public License for more details. */ +#include <linux/export.h> #include <linux/kthread.h> #include <linux/mutex.h> +#include <linux/kmod.h> #include <linux/sched.h> #include <linux/freezer.h> #include "rc-core-priv.h" @@ -29,11 +31,6 @@ static DEFINE_MUTEX(ir_raw_handler_lock); static LIST_HEAD(ir_raw_handler_list); static u64 available_protocols; -#ifdef MODULE -/* Used to load the decoders */ -static struct work_struct wq_load; -#endif - static int ir_raw_event_thread(void *data) { struct ir_raw_event ev; @@ -44,9 +41,9 @@ static int ir_raw_event_thread(void *data) while (!kthread_should_stop()) { spin_lock_irq(&raw->lock); - retval = kfifo_out(&raw->kfifo, &ev, sizeof(ev)); + retval = kfifo_len(&raw->kfifo); - if (!retval) { + if (retval < sizeof(ev)) { set_current_state(TASK_INTERRUPTIBLE); if (kthread_should_stop()) @@ -57,11 +54,9 @@ static int ir_raw_event_thread(void *data) continue; } + retval = kfifo_out(&raw->kfifo, &ev, sizeof(ev)); spin_unlock_irq(&raw->lock); - - BUG_ON(retval != sizeof(ev)); - mutex_lock(&ir_raw_handler_lock); list_for_each_entry(handler, &ir_raw_handler_list, list) handler->decode(raw->dev, ev); @@ -112,21 +107,22 @@ int ir_raw_event_store_edge(struct rc_dev *dev, enum raw_event_type type) { ktime_t now; s64 delta; /* ns */ - struct ir_raw_event ev; + DEFINE_IR_RAW_EVENT(ev); int rc = 0; + int delay; if (!dev->raw) return -EINVAL; now = ktime_get(); delta = ktime_to_ns(ktime_sub(now, dev->raw->last_event)); + delay = MS_TO_NS(dev->input_dev->rep[REP_DELAY]); /* Check for a long duration since last event or if we're * being called for the first time, note that delta can't * possibly be negative. */ - ev.duration = 0; - if (delta > IR_MAX_DURATION || !dev->raw->last_type) + if (delta > delay || !dev->raw->last_type) type |= IR_START_EVENT; else ev.duration = delta; @@ -154,9 +150,11 @@ EXPORT_SYMBOL_GPL(ir_raw_event_store_edge); * @type: the type of the event that has occurred * * This routine (which may be called from an interrupt context) works - * in similiar manner to ir_raw_event_store_edge. + * in similar manner to ir_raw_event_store_edge. * This routine is intended for devices with limited internal buffer - * It automerges samples of same type, and handles timeouts + * It automerges samples of same type, and handles timeouts. Returns non-zero + * if the event was added, and zero if the event was ignored due to idle + * processing. */ int ir_raw_event_store_with_filter(struct rc_dev *dev, struct ir_raw_event *ev) { @@ -183,7 +181,7 @@ int ir_raw_event_store_with_filter(struct rc_dev *dev, struct ir_raw_event *ev) dev->raw->this_ev.duration >= dev->timeout) ir_raw_event_set_idle(dev, true); - return 0; + return 1; } EXPORT_SYMBOL_GPL(ir_raw_event_store_with_filter); @@ -258,7 +256,7 @@ int ir_raw_event_register(struct rc_dev *dev) return -ENOMEM; dev->raw->dev = dev; - dev->raw->enabled_protocols = ~0; + rc_set_enabled_protocols(dev, ~0); rc = kfifo_alloc(&dev->raw->kfifo, sizeof(struct ir_raw_event) * MAX_IR_EVENT_SIZE, GFP_KERNEL); @@ -344,8 +342,7 @@ void ir_raw_handler_unregister(struct ir_raw_handler *ir_raw_handler) } EXPORT_SYMBOL(ir_raw_handler_unregister); -#ifdef MODULE -static void init_decoders(struct work_struct *work) +void ir_raw_init(void) { /* Load the decoder modules */ @@ -354,18 +351,12 @@ static void init_decoders(struct work_struct *work) load_rc6_decode(); load_jvc_decode(); load_sony_decode(); + load_sanyo_decode(); + load_sharp_decode(); + load_mce_kbd_decode(); load_lirc_codec(); /* If needed, we may later add some init code. In this case, it is needed to change the CONFIG_MODULE test at rc-core.h */ } -#endif - -void ir_raw_init(void) -{ -#ifdef MODULE - INIT_WORK(&wq_load, init_decoders); - schedule_work(&wq_load); -#endif -} |