diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0378-media-rc-gpio-ir-recv-add-timeout-on-idle.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0378-media-rc-gpio-ir-recv-add-timeout-on-idle.patch | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0378-media-rc-gpio-ir-recv-add-timeout-on-idle.patch b/target/linux/brcm2708/patches-4.4/0378-media-rc-gpio-ir-recv-add-timeout-on-idle.patch deleted file mode 100644 index a745cea4c6..0000000000 --- a/target/linux/brcm2708/patches-4.4/0378-media-rc-gpio-ir-recv-add-timeout-on-idle.patch +++ /dev/null @@ -1,91 +0,0 @@ -From 1f899a2d03b1751ef5adc4c5c0706c83dfcf7256 Mon Sep 17 00:00:00 2001 -From: Eric Nelson <eric@nelint.com> -Date: Wed, 23 Sep 2015 11:07:08 -0300 -Subject: [PATCH] [media] rc: gpio-ir-recv: add timeout on idle - -Many decoders require a trailing space (period without IR illumination) -to be delivered before completing a decode. - -Since the gpio-ir-recv driver only delivers events on gpio transitions, -a single IR symbol (caused by a quick touch on an IR remote) will not -be properly decoded without the use of a timer to flush the tail end -state of the IR receiver. - -This patch initializes and uses a timer and the timeout field of rcdev -to complete the stream and allow decode. - -The timeout can be overridden through the use of the LIRC_SET_REC_TIMEOUT -ioctl. - -Signed-off-by: Eric Nelson <eric@nelint.com> -Acked-by: Sean Young <sean@mess.org> -Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com> ---- - drivers/media/rc/gpio-ir-recv.c | 22 ++++++++++++++++++++++ - 1 file changed, 22 insertions(+) - ---- a/drivers/media/rc/gpio-ir-recv.c -+++ b/drivers/media/rc/gpio-ir-recv.c -@@ -30,6 +30,7 @@ struct gpio_rc_dev { - struct rc_dev *rcdev; - int gpio_nr; - bool active_low; -+ struct timer_list flush_timer; - }; - - #ifdef CONFIG_OF -@@ -93,12 +94,26 @@ static irqreturn_t gpio_ir_recv_irq(int - if (rc < 0) - goto err_get_value; - -+ mod_timer(&gpio_dev->flush_timer, -+ jiffies + nsecs_to_jiffies(gpio_dev->rcdev->timeout)); -+ - ir_raw_event_handle(gpio_dev->rcdev); - - err_get_value: - return IRQ_HANDLED; - } - -+static void flush_timer(unsigned long arg) -+{ -+ struct gpio_rc_dev *gpio_dev = (struct gpio_rc_dev *)arg; -+ DEFINE_IR_RAW_EVENT(ev); -+ -+ ev.timeout = true; -+ ev.duration = gpio_dev->rcdev->timeout; -+ ir_raw_event_store(gpio_dev->rcdev, &ev); -+ ir_raw_event_handle(gpio_dev->rcdev); -+} -+ - static int gpio_ir_recv_probe(struct platform_device *pdev) - { - struct gpio_rc_dev *gpio_dev; -@@ -144,6 +159,9 @@ static int gpio_ir_recv_probe(struct pla - rcdev->input_id.version = 0x0100; - rcdev->dev.parent = &pdev->dev; - rcdev->driver_name = GPIO_IR_DRIVER_NAME; -+ rcdev->min_timeout = 0; -+ rcdev->timeout = IR_DEFAULT_TIMEOUT; -+ rcdev->max_timeout = 10 * IR_DEFAULT_TIMEOUT; - if (pdata->allowed_protos) - rcdev->allowed_protocols = pdata->allowed_protos; - else -@@ -154,6 +172,9 @@ static int gpio_ir_recv_probe(struct pla - gpio_dev->gpio_nr = pdata->gpio_nr; - gpio_dev->active_low = pdata->active_low; - -+ setup_timer(&gpio_dev->flush_timer, flush_timer, -+ (unsigned long)gpio_dev); -+ - rc = gpio_request(pdata->gpio_nr, "gpio-ir-recv"); - if (rc < 0) - goto err_gpio_request; -@@ -196,6 +217,7 @@ static int gpio_ir_recv_remove(struct pl - struct gpio_rc_dev *gpio_dev = platform_get_drvdata(pdev); - - free_irq(gpio_to_irq(gpio_dev->gpio_nr), gpio_dev); -+ del_timer_sync(&gpio_dev->flush_timer); - rc_unregister_device(gpio_dev->rcdev); - gpio_free(gpio_dev->gpio_nr); - kfree(gpio_dev); |