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path: root/drivers/media/rc/gpio-ir-recv.c
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* [media] media: rc: fix gpio-ir-receiver build failureLadislav Michl2017-10-051-1/+1
| | | | | | | | | | | | | | | | The 0-day robot reports: drivers/media/rc/gpio-ir-recv.c: In function 'gpio_ir_recv_irq': >> drivers/media/rc/gpio-ir-recv.c:38:8: error: implicit declaration of function 'gpiod_get_value' [-Werror=implicit-function-declaration] Fixes: eed008e605d1 ("[media] media: rc: gpio-ir-recv: use gpiolib API") For some reason only partial patch was applied. Also include gpio/consumer.h otherwise compile test fails. Reported-by: kbuild test robot <fengguang.wu@intel.com> Signed-off-by: Ladislav Michl <ladis@linux-mips.org> Acked-by: Sean Young <sean@mess.org>
* [media] media: rc: gpio-ir-recv: use gpiolib APILadislav Michl2017-10-041-38/+21Star
| | | | | | | | Gpiolib API is preferred way to access gpios. Signed-off-by: Ladislav Michl <ladis@linux-mips.org> Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* [media] media: rc: gpio-ir-recv: remove gpio_ir_recv_platform_dataLadislav Michl2017-10-041-66/+26Star
| | | | | | | | | gpio_ir_recv_platform_data are not used anywhere in kernel tree, so remove it. Signed-off-by: Ladislav Michl <ladis@linux-mips.org> Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* [media] media: rc: gpio-ir-recv: use KBUILD_MODNAMELadislav Michl2017-10-041-3/+2Star
| | | | | | | | There already is standard macro providing driver name, use it. Signed-off-by: Ladislav Michl <ladis@linux-mips.org> Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* [media] media: rc: gpio-ir-recv: use devm_request_irqLadislav Michl2017-10-041-19/+4Star
| | | | | | | | | | Use of devm_request_irq simplifies error unwinding and as free_irq was the last user of driver remove function, remove it too. Signed-off-by: Ladislav Michl <ladis@linux-mips.org> Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* [media] media: rc: gpio-ir-recv: do not allow threaded interrupt handlerLadislav Michl2017-10-041-4/+3Star
| | | | | | | | | | Requesting any context irq is not actually great idea since threaded interrupt handler is run at too unpredictable time which turns timing information wrong. Fix it by requesting regular interrupt. Signed-off-by: Ladislav Michl <ladis@linux-mips.org> Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* [media] media: rc: gpio-ir-recv: use devm_rc_register_deviceLadislav Michl2017-10-041-6/+2Star
| | | | | | | | Use of devm_rc_register_device simplifies error unwinding. Signed-off-by: Ladislav Michl <ladis@linux-mips.org> Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* [media] media: rc: gpio-ir-recv: use devm_gpio_request_oneLadislav Michl2017-10-041-7/+2Star
| | | | | | | | Use of devm_gpio_request_one simplifies error unwinding. Signed-off-by: Ladislav Michl <ladis@linux-mips.org> Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* [media] media: rc: gpio-ir-recv: use devm_rc_allocate_deviceLadislav Michl2017-10-041-4/+2Star
| | | | | | | | Use of devm_rc_allocate_device simplifies error unwinding. Signed-off-by: Ladislav Michl <ladis@linux-mips.org> Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* [media] media: rc: gpio-ir-recv: use devm_kzallocLadislav Michl2017-10-041-8/+3Star
| | | | | | | | Use of devm_kzalloc simplifies error unwinding. Signed-off-by: Ladislav Michl <ladis@linux-mips.org> Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* [media] media: rc: gpio-ir-recv: use helper variable to access device infoLadislav Michl2017-10-041-6/+6
| | | | | | | | Using explicit struct device variable makes code a bit more readable. Signed-off-by: Ladislav Michl <ladis@linux-mips.org> Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* media: rc: rename RC_TYPE_* to RC_PROTO_* and RC_BIT_* to RC_PROTO_BIT_*Sean Young2017-08-201-1/+1
| | | | | | | | | RC_TYPE is confusing and it's just the protocol. So rename it. Suggested-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Sean Young <sean@mess.org> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: rc: simplify ir_raw_event_store_edge()Sean Young2017-08-201-5/+1Star
| | | | | | | | | | | | | | | | Since commit 12749b198fa4 ("[media] rc: saa7134: add trailing space for timely decoding"), the workaround of inserting reset events is no longer needed. Note that the initial reset is not needed either; other rc-core drivers that don't use ir_raw_event_store_edge() never call this at all. Verified on a HVR-1150 and Raspberry Pi. Fixes: 3f5c4c73322e ("[media] rc: fix ghost keypresses with certain hw") Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: rc: saa7134: add trailing space for timely decodingSean Young2017-08-201-21/+0Star
| | | | | | | | | | | | | | The gpio-ir-recv driver adds timeouts which the saa7134 lacks; this causes keypress not to arrive, and to only arrive once more IR is received. This is what the commit below calls "ghost keypresses", and that commit does not solve the issue completely. This makes the IR on the HVR-1150 much more reliable and responsive. Fixes: 3f5c4c73322e ("[media] rc: fix ghost keypresses with certain hw") Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* media: rc-core: rename input_name to device_nameSean Young2017-08-201-1/+1
| | | | | | | | | | | | | | | | | | When an ir-spi is registered, you get this message. rc rc0: Unspecified device as /devices/platform/soc/3f215080.spi/spi_master/spi32766/spi32766.128/rc/rc0 "Unspecified device" refers to input_name, which makes no sense for IR TX only devices. So, rename to device_name. Also make driver_name const char* so that no casts are needed anywhere. Now ir-spi reports: rc rc0: IR SPI as /devices/platform/soc/3f215080.spi/spi_master/spi32766/spi32766.128/rc/rc0 Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] gpio-ir: do not allow a timeout of 0Sean Young2017-03-241-1/+1
| | | | | | | | According to the documentation, a timeout of 0 turns off timeouts, which is not the case. Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] rc-main: assign driver type during allocationAndi Shyti2017-01-301-2/+1Star
| | | | | | | | | | | | | | | | | | | The driver type can be assigned immediately when an RC device requests to the framework to allocate the device. This is an 'enum rc_driver_type' data type and specifies whether the device is a raw receiver or scancode receiver. The type will be given as parameter to the rc_allocate_device device. Change accordingly all the drivers calling rc_allocate_device() so that the device type is specified during the rc device allocation. Whenever the device type is not specified, it will be set as RC_DRIVER_SCANCODE which was the default '0' value. Suggested-by: Sean Young <sean@mess.org> Signed-off-by: Andi Shyti <andi.shyti@samsung.com> Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] rc: raw IR drivers cannot handle cec, unknown or otherSean Young2017-01-301-1/+1
| | | | | | | | | | | | unknown and other are for IR protocols for which we have no decoder, so the raw IR drivers have no chance of generating them. cec is not an IR protocol. Signed-off-by: Sean Young <sean@mess.org> Cc: Jiri Kosina <jikos@kernel.org> Cc: Benjamin Tissoires <benjamin.tissoires@redhat.com> Cc: Bruno Prémont <bonbons@linux-vserver.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] rc: gpio-ir-recv: add timeout on idleEric Nelson2015-11-191-0/+22
| | | | | | | | | | | | | | | | | | | | 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>
* [media] include/media: move platform_data to linux/platform_data/mediaMauro Carvalho Chehab2015-11-171-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Let's not mix platform_data headers with the core headers. Instead, let's create a subdir at linux/platform_data and move the headers to that common place, adding it to MAINTAINERS. The headers were moved with: mkdir include/linux/platform_data/media/; git mv include/media/gpio-ir-recv.h include/media/ir-rx51.h include/media/mmp-camera.h include/media/omap1_camera.h include/media/omap4iss.h include/media/s5p_hdmi.h include/media/si4713.h include/media/sii9234.h include/media/smiapp.h include/media/soc_camera.h include/media/soc_camera_platform.h include/media/timb_radio.h include/media/timb_video.h include/linux/platform_data/media/ And the references fixed with this script: MAIN_DIR="linux/platform_data/" PREV_DIR="media/" DIRS="media/" echo "Checking affected files" >&2 for i in $DIRS; do for j in $(find include/$MAIN_DIR/$i -type f -name '*.h'); do n=`basename $j` git grep -l $n done done|sort|uniq >files && ( echo "Handling files..." >&2; echo "for i in \$(cat files|grep -v Documentation); do cat \$i | \\"; ( cd include/$MAIN_DIR; for j in $DIRS; do for i in $(ls $j); do echo "perl -ne 's,(include [\\\"\\<])$PREV_DIR($i)([\\\"\\>]),\1$MAIN_DIR$j\2\3,; print \$_' |\\"; done; done; echo "cat > a && mv a \$i; done"; ); echo "Handling documentation..." >&2; echo "for i in MAINTAINERS \$(cat files); do cat \$i | \\"; ( cd include/$MAIN_DIR; for j in $DIRS; do for i in $(ls $j); do echo " perl -ne 's,include/$PREV_DIR($i)\b,include/$MAIN_DIR$j\1,; print \$_' |\\"; done; done; echo "cat > a && mv a \$i; done" ); ) >script && . ./script Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Lee Jones <lee.jones@linaro.org> Acked-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
* [media] rc: gpio-ir-recv: don't sleep in irq handlerHeiko Stübner2015-06-101-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Don't allow sleep when getting the gpio value in the irq-handler. On my rk3288 board this results in might_sleep warnings when receiving data like: BUG: sleeping function called from invalid context at drivers/gpio/gpiolib.c:1531 in_atomic(): 1, irqs_disabled(): 128, pid: 0, name: swapper/0 CPU: 0 PID: 0 Comm: swapper/0 Tainted: P 4.1.0-rc5+ #2011 Hardware name: Rockchip (Device Tree) [<c00189a0>] (unwind_backtrace) from [<c0013b04>] (show_stack+0x20/0x24) [<c0013b04>] (show_stack) from [<c0757970>] (dump_stack+0x8c/0xbc) [<c0757970>] (dump_stack) from [<c0053188>] (___might_sleep+0x238/0x284) [<c0053188>] (___might_sleep) from [<c0053264>] (__might_sleep+0x90/0xa4) [<c0053264>] (__might_sleep) from [<c02ff4ac>] (gpiod_get_raw_value_cansleep+0x28/0x44) [<c02ff4ac>] (gpiod_get_raw_value_cansleep) from [<bf0363c4>] (gpio_ir_recv_irq+0x24/0x6c [gpio_ir_recv]) [<bf0363c4>] (gpio_ir_recv_irq [gpio_ir_recv]) from [<c008a78c>] (handle_irq_event_percpu+0x164/0x550) [<c008a78c>] (handle_irq_event_percpu) from [<c008abc4>] (handle_irq_event+0x4c/0x6c) [<c008abc4>] (handle_irq_event) from [<c008df88>] (handle_edge_irq+0x128/0x150) [<c008df88>] (handle_edge_irq) from [<c0089edc>] (generic_handle_irq+0x30/0x40) [<c0089edc>] (generic_handle_irq) from [<c02fc4cc>] (rockchip_irq_demux+0x158/0x210) [<c02fc4cc>] (rockchip_irq_demux) from [<c0089edc>] (generic_handle_irq+0x30/0x40) [<c0089edc>] (generic_handle_irq) from [<c008a058>] (__handle_domain_irq+0x98/0xc0) [<c008a058>] (__handle_domain_irq) from [<c00094a4>] (gic_handle_irq+0x4c/0x70) [<c00094a4>] (gic_handle_irq) from [<c0014684>] (__irq_svc+0x44/0x5c) Signed-off-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* [media] constify of_device_id arrayFabian Frederick2015-05-121-1/+1
| | | | | | | | | | of_device_id is always used as const. (See driver.of_match_table and open firmware functions) [mchehab@osg.samsung.com: fix a merge conflict at adv7604.c] Signed-off-by: Fabian Frederick <fabf@skynet.be> Acked-by: Patrice Chotard <patrice.chotard@st.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* media: rc: drop owner assignment from platform_driversWolfram Sang2014-10-201-1/+0Star
| | | | | | | A platform_driver does not need to set an owner, it will be populated by the driver core. Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
* [media] rc-core: remove protocol arraysDavid Härdeman2014-07-261-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | The basic API of rc-core used to be: dev = rc_allocate_device(); dev->x = a; dev->y = b; dev->z = c; rc_register_device(); which is a pretty common pattern in the kernel, after the introduction of protocol arrays the API looks something like: dev = rc_allocate_device(); dev->x = a; rc_set_allowed_protocols(dev, RC_BIT_X); dev->z = c; rc_register_device(); There's no real need for the protocols to be an array, so change it back to be consistent (and in preparation for the following patches). [m.chehab@samsung.com: added missing changes at some files] Signed-off-by: David Härdeman <david@hardeman.nu> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
* [media] rc: abstract access to allowed/enabled protocolsJames Hogan2014-03-111-2/+2
| | | | | | | | | | | The allowed and enabled protocol masks need to be expanded to be per filter type in order to support wakeup filter protocol selection. To ease that process abstract access to the rc_dev::allowed_protos and rc_dev::enabled_protocols members with inline functions. Signed-off-by: James Hogan <james.hogan@imgtec.com> Reviewed-by: Antti Seppälä <a.seppala@gmail.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
* [media] gpio-ir-recv: Include linux/of.h headerSachin Kamat2013-10-311-0/+1
| | | | | | | | 'of_match_ptr' is defined in linux/of.h. Include it explicitly to avoid build breakage in the future. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
* [media] rc: gpio-ir-recv: Remove redundant platform_set_drvdata()Sachin Kamat2013-05-271-2/+0Star
| | | | | | | | | | Commit 0998d06310 (device-core: Ensure drvdata = NULL when no driver is bound) removes the need to set driver data field to NULL. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] media: rc: gpio-ir-recv: add support for device tree parsingSebastian Hesselbarth2013-02-131-0/+52
| | | | | | | | | | | | This patch adds device tree parsing for gpio_ir_recv platform_data and the mandatory binding documentation. It basically follows what we already have for e.g. gpio_keys. All required device tree properties are OS independent but an optional property allows linux specific support for rc maps. Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* Merge branch 'v4l_for_linus' into staging/for_v3.9Mauro Carvalho Chehab2013-01-241-3/+3
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * v4l_for_linus: (464 commits) [media] uvcvideo: Set error_idx properly for S_EXT_CTRLS failures [media] uvcvideo: Cleanup leftovers of partial revert [media] uvcvideo: Return -EACCES when trying to set a read-only control Linux 3.8-rc3 mm: reinstante dropped pmd_trans_splitting() check cred: Remove tgcred pointer from struct cred drm/ttm: fix fence locking in ttm_buffer_object_transfer ARM: clps711x: Fix bad merge of clockevents setup ARM: highbank: save and restore L2 cache and GIC on suspend ARM: highbank: add a power request clear ARM: highbank: fix secondary boot and hotplug ARM: highbank: fix typos with hignbank in power request functions ARM: dts: fix highbank cpu mpidr values ARM: dts: add device_type prop to cpu nodes on Calxeda platforms drm/prime: drop reference on imported dma-buf come from gem xen/netfront: improve truesize tracking ARM: mx5: Fix MX53 flexcan2 clock ARM: OMAP2+: am33xx-hwmod: Fix wrongly terminated am33xx_usbss_mpu_irqs array sctp: fix Kconfig bug in default cookie hmac selection EDAC: Cleanup device deregistering path ... Conflicts: drivers/media/pci/dm1105/dm1105.c drivers/media/platform/soc_camera/mx2_camera.c
| * Drivers: media: remove __dev* attributes.Greg Kroah-Hartman2013-01-041-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | CONFIG_HOTPLUG is going away as an option. As a result, the __dev* markings need to be removed. This change removes the use of __devinit, __devexit_p, __devinitdata, __devinitconst, and __devexit from these drivers. Based on patches originally written by Bill Pemberton, but redone by me in order to handle some of the coding style issues better, by hand. Cc: Bill Pemberton <wfp5p@virginia.edu> Cc: Mauro Carvalho Chehab <mchehab@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* | [media] rc: Fix double free in gpio_ir_recv_remove()Jesper Juhl2012-12-211-1/+0Star
| | | | | | | | | | | | | | | | | | | | Since rc_unregister_device() frees its argument there's no need to subsequently call rc_free_device() on the same variable - in fact it's a double free bug. Easily fixed by just removing the rc_free_device() call. Signed-off-by: Jesper Juhl <jj@chaosbits.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* | [media] rc: Fix double free in gpio_ir_recv_probe()Jesper Juhl2012-12-211-1/+1
|/ | | | | | | | | | | | | | At the 'err_request_irq' label, rc_unregister_device(rcdev) frees its argument. So when we fall through to the 'err_gpio_request' label further down and call rc_free_device(rcdev) then that's a double free. Fix that by moving 'rcdev = NULL' from after the call to rc_free_device() to after rc_unregister_device(). That fixes the problem since rc_free_device() just does nothing if passed NULL and there's no further use of 'rcdev' after the call to rc_free_device() so it's not needed there. Signed-off-by: Jesper Juhl <jj@chaosbits.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] rc-core: add separate defines for protocol bitmaps and numbersDavid Härdeman2012-10-271-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The RC_TYPE_* defines are currently used both where a single protocol is expected and where a bitmap of protocols is expected. Functions like rc_keydown() and functions which add/remove entries to the keytable want a single protocol. Future userspace APIs would also benefit from numeric protocols (rather than bitmap ones). Keytables are smaller if they can use a small(ish) integer rather than a bitmap. Other functions or struct members (e.g. allowed_protos, enabled_protocols, etc) accept multiple protocols and need a bitmap. Using different types reduces the risk of programmer error. Using a protocol enum whereever possible also makes for a more future-proof user-space API as we don't need to worry about a sufficient number of bits being available (e.g. in structs used for ioctl() calls). The use of both a number and a corresponding bit is dalso one in e.g. the input subsystem as well (see all the references to set/clear bit when changing keytables for example). This patch separate the different usages in preparation for upcoming patches. Where a single protocol is expected, enum rc_type is used; where one or more protocol(s) are expected, something like u64 is used. The patch has been rewritten so that the format of the sysfs "protocols" file is no longer altered (at the loss of some detail). The file itself should probably be deprecated in the future though. Signed-off-by: David Härdeman <david@hardeman.nu> Cc: Andy Walls <awalls@md.metrocast.net> Cc: Maxim Levitsky <maximlevitsky@gmail.com> Cc: Antti Palosaari <crope@iki.fi> Cc: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] media: gpio-ir-recv: add allowed_protos for platform dataDu, Changbin2012-07-061-1/+4
| | | | | | | | | | It's better to give platform code a chance to specify the allowed protocols to use. [mchehab@redhat.com: fix merge conflict with a patch that made half of this change] Signed-off-by: Du, Changbin <changbin.du@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] media: gpio-ir-recv: switch to module_platform_driverBenoît Thébaudeau2012-06-251-12/+1Star
| | | | | | Cc: Ravi Kumar V <kumarrav@codeaurora.org> Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] media: gpio-ir-recv: add map nameBenoît Thébaudeau2012-06-251-1/+1
| | | | | | | | Make it possible for gpio-ir-recv users to choose a map name. Cc: Ravi Kumar V <kumarrav@codeaurora.org> Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] media: gpio-ir-recv: fix missing udev by-path entryBenoît Thébaudeau2012-06-251-0/+6
| | | | | | | | | Add missing information so that udev can create an entry for gpio-ir-recv under /dev/input/by-path/ . Cc: Ravi Kumar V <kumarrav@codeaurora.org> Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] gpio-ir-recv: a couple signedness bugsDan Carpenter2012-03-191-2/+2
| | | | | | | | | | | | | | There are couple places where we check unsigned values for negative. I changed ->gpin_nr to signed because in gpio_ir_recv_probe() we do: if (pdata->gpio_nr < 0) return -EINVAL; I also change gval to a signed int in gpio_ir_recv_irq() because that's the type that gpio_get_value_cansleep() returns and we test for negative returns. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Trilok Soni <tsoni@codeaurora.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] rc: Add support for GPIO based IR Receiver driverRavi Kumar V2012-03-081-0/+205
Adds GPIO based IR Receiver driver. It decodes signals using decoders available in rc framework. Signed-off-by: Ravi Kumar V <kumarrav@codeaurora.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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