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* V4L/DVB (10110): v4l2-ioctl: Fix warnings when using .unlocked_ioctl = ↵Mauro Carvalho Chehab2008-12-30
| | | | | | | | | | | | | __video_ioctl2 This patch fixes this warning: drivers/media/video/gspca/gspca.c:1811: warning: initialization from incompatible pointer type The reason is that the returned argument should be a long, not an integer. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (10099): soc-camera: add support for MT9T031 CMOS camera sensor from ↵Guennadi Liakhovetski2008-12-30
| | | | | | | | | | | | | Micron This camera is rather similar to MT9M001, but also has a couple of enhanced features, like pixel binning. create mode 100644 drivers/media/video/mt9t031.c Signed-off-by: Guennadi Liakhovetski <lg@denx.de> Acked-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (10094): Add tw9910 driverKuninori Morimoto2008-12-30
| | | | | | | | | | | | This patch adds tw9910 driver that use soc_camera framework. It was tested on SH Migo-r board and mplayer. create mode 100644 drivers/media/video/tw9910.c create mode 100644 include/media/tw9910.h Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (10093): soc-camera: add new bus width and signal polarity flagsGuennadi Liakhovetski2008-12-30
| | | | | | | | In preparation for i.MX31 camera host driver add flags for 4 and 15 bit bus widths and for data lines polarity inversion. Signed-off-by: Guennadi Liakhovetski <lg@denx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (10087): Add new enum_input function on soc_cameraKuninori Morimoto2008-12-30
| | | | | | | | This patch presents new method to be able to select V4L2 input type Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (10086): Add new set_std function on soc_cameraKuninori Morimoto2008-12-30
| | | | | | | | This patch presents new method to be able to check v4l2_std_id Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (10083): soc-camera: unify locking, play nicer with videobuf lockingGuennadi Liakhovetski2008-12-30
| | | | | | | | Move mutex from host drivers to camera device object, take into account videobuf locking. Signed-off-by: Guennadi Liakhovetski <lg@denx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (10076): v4l: add chip ID for MT9M112 camera sensor from MicronMike Rapoport2008-12-30
| | | | | | | | | The chip is largely compatible with MT9M111 and is going to be supported by the same driver. Signed-off-by: Mike Rapoport <mike@compulab.co.il> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (10074): soc-camera: add camera sense dataGuennadi Liakhovetski2008-12-30
| | | | | | | | | | | Add a struct soc_camera_sense, that can be used by camera host drivers to request additional information from a camera driver, for example, when changing data format. This struct can be extended in the future, its first use is to request the camera driver whether the pixel-clock frequency has changed. Tested-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (10072): soc-camera: Add signal inversion flags to be used by camera ↵Guennadi Liakhovetski2008-12-30
| | | | | | | | | | | | drivers As reported by Antonio Ospite <ospite@studenti.unina.it> two platforms with a mt9m111 camera require opposite pixel clock polarity, which means one of them inverts it. This patch adds support for inversion flags and switches all available camera drivers to using them. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (10069): Add ov7725 support to ov772x driverKuninori Morimoto2008-12-30
| | | | | | Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (10068): Change device ID selection method on ov772x driverKuninori Morimoto2008-12-30
| | | | | | Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9974): v4l2-dev: allow drivers to pass v4l2_device as parentHans Verkuil2008-12-30
| | | | | | | | | | | Drivers that use v4l2_device can set that as parent pointer in the v4l2_dev field instead of using the struct device parent field. This allows v4l2-dev.c to check whether this driver is v4l2_device based, and if so then it can offer additional services. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9973): v4l2-dev: use the release callback from device instead of cdevHans Verkuil2008-12-30
| | | | | | | | | | | Instead of relying on the cdev release callback we should rely on the release callback from the device struct. This requires that we use get_device/put_device to do proper refcounting. In order to do this safely v4l2-dev.c now sets up its own file_operations that call out to the driver's ops. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9969): tvp5150: add support for VIDIOC_G_CHIP_IDENT ioctlMauro Carvalho Chehab2008-12-30
| | | | Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9960): v4l2-subdev: ioctl ops should use unsigned for cmd arg.Hans Verkuil2008-12-30
| | | | | Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9957): v4l2-subdev: add g_sliced_vbi_cap and add NULL pointer checksHans Verkuil2008-12-30
| | | | | Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9940): bt832: remove this driverHans Verkuil2008-12-30
| | | | | | | | The bt832 i2c driver was never used or even compiled and is no longer maintained. It is now removed completely. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9821): v4l2-common: add i2c helper functionsHans Verkuil2008-12-30
| | | | | | | | Add helper functions to load i2c sub-devices, integrating them into the v4l2-framework. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9820): v4l2: add v4l2_device and v4l2_subdev structs to the v4l2 ↵Hans Verkuil2008-12-30
| | | | | | | | | | | | | | | | | framework. Start implementing a proper v4l2 framework as discussed during the Linux Plumbers Conference 2008. Introduces v4l2_device (for device instances) and v4l2_subdev (representing sub-device instances). Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Reviewed-by: Laurent Pinchart <laurent.pinchart@skynet.be> Reviewed-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Reviewed-by: Andy Walls <awalls@radix.net> Reviewed-by: David Brownell <david-b@pacbell.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9817): v4l: add new tvp514x I2C video decoder driverVaibhav Hiremath2008-12-30
| | | | | | | | | | | | | Signed-off-by: Brijesh Jadav <brijesh.j@ti.com> Signed-off-by: Hardik Shah <hardik.shah@ti.com> Signed-off-by: Manjunath Hadli <mrh@ti.com> Signed-off-by: R Sivaraj <sivaraj@ti.com> Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com> Signed-off-by: Karicheri Muralidharan <m-karicheri2@ti.com> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Reviewed-by: Hans Verkuil <hverkuil@xs4all.nl> Reviewed-by: David Brownell <david-b@pacbell.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9816): v4l2-int-if: add three new ioctls for std handling and routingVaibhav Hiremath2008-12-30
| | | | | | | | | | | | | These changes are needed for the new TVP514x driver. Signed-off-by: Brijesh Jadav <brijesh.j@ti.com> Signed-off-by: Hardik Shah <hardik.shah@ti.com> Signed-off-by: Manjunath Hadli <mrh@ti.com> Signed-off-by: R Sivaraj <sivaraj@ti.com> Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com> Signed-off-by: Karicheri Muralidharan <m-karicheri2@ti.com> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9790): soc-camera: pixel format negotiation - core supportGuennadi Liakhovetski2008-12-30
| | | | | | | | | | | | | | | Allocate and fill a list of formats, supported by this specific camera-host combination. Use it for format enumeration. Take care to stay backwards-compatible. Camera hosts rely on sensor formats available, as well as host specific translations. We add a structure so that hosts can define a translation table and use it for format check and setup. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9789): soc-camera: add a per-camera device host private data pointerGuennadi Liakhovetski2008-12-30
| | | | | | | | This pointer will be used by pxa_camera.c to point to its pixel format data. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9788): soc-camera: simplify namingGuennadi Liakhovetski2008-12-30
| | | | | | | | | | We anyway don't follow the s_fmt_vid_cap / g_fmt_vid_cap / try_fmt_vid_cap naming, and soc-camera is so far only about video capture, let's simplify operation names a bit further. set_fmt_cap / try_fmt_cap wasn't a very good choice too. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9787): soc-camera: let camera host drivers decide upon pixel formatGuennadi Liakhovetski2008-12-30
| | | | | | | | | | | | | Pixel format requested by the user is not necessarily the same, as what a sensor driver provides. There are situations, when a camera host driver provides the required format, but requires a different format from the sensor. Further, the list of formats, supported by sensors is pretty static and can be pretty good described with a constant list of structures. Whereas decisions, made by camera host drivers to support requested formats can be quite complex, therefore it is better to let the host driver do the work. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9785): soc-camera: merge .try_bus_param() into .try_fmt_cap()Guennadi Liakhovetski2008-12-30
| | | | | | | | | .try_bus_param() method from struct soc_camera_host_ops is only called at one location immediately before .try_fmt_cap(), there is no value in keeping these two methods separate, merge them. Signed-off-by: Guennadi Liakhovetski <lg@denx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9772): saa7134: Add support for Kworld Plus TV Analog Lite PCIMauro Carvalho Chehab2008-12-30
| | | | | | | | | Thanks to Sistema Fenix (http://www.sistemafenix.com.br/) for sponsoring this development. Signed-off-by: Gilberto <gilberto@sistemafenix.com.br> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9629): Add support for the ATI TV Wonder HD 600 USB Remote ControlDevin Heitmueller2008-12-29
| | | | | | | | | Add support for the ATI TV Wonder HD 600 USB Remote Control (required a new keymap) [mchehab@redhat.com: Fix CodingStyle] Signed-off-by: Devin Heitmueller <devin.heitmueller@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9578): v4l core: add support for enumerating frame sizes and intervalsMauro Carvalho Chehab2008-12-29
| | | | | | | | | video_ioctl2 lacks implementation of those two ioctls: - VIDIOC_ENUM_FRAMESIZES and VIDIOC_ENUM_FRAMEINTERVALS Adds implementation for those. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9521): V4L: struct device - replace bus_id with dev_name(), ↵Kay Sievers2008-12-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | dev_set_name() This patch is part of a larger patch series which will remove the "char bus_id[20]" name string from struct device. The device name is managed in the kobject anyway, and without any size limitation, and just needlessly copied into "struct device". To set and read the device name dev_name(dev) and dev_set_name(dev) must be used. If your code uses static kobjects, which it shouldn't do, "const char *init_name" can be used to statically provide the name the registered device should have. At registration time, the init_name field is cleared, to enforce the use of dev_name(dev) to access the device name at a later time. We need to get rid of all occurrences of bus_id in the entire tree to be able to enable the new interface. Please apply this patch, and possibly convert any remaining remaining occurrences of bus_id. We want to submit a patch to -next, which will remove bus_id from "struct device", to find the remaining pieces to convert, and finally switch over to the new api, which will remove the 20 bytes array and does no longer have a size limitation. Thanks, Kay Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9503): v4l: remove inode argument from video_usercopyHans Verkuil2008-12-29
| | | | | | | | | The inode argument was never used. Removing it from video_usercopy brings the function pointer type of video_usercopy in line with similar v4l2 functions, thus simplifying several drivers. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9488): Add ov772x driverKuninori Morimoto2008-12-29
| | | | | | | | | This patch adds ov772x driver that use soc_camera framework. It was tested on SH Migo-r board. Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9335): videobuf: split unregister bus creating self-contained ↵Darron Broad2008-10-21
| | | | | | | | | | | | frontend de-allocator This creates a self contained frontend de-allocator for the instances where an adapter has not been registered yet frontend de-allocation may be required. Signed-off-by: Darron Broad <darron@kewl.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9331): Remove unused inode parameter from video_ioctl2Mauro Carvalho Chehab2008-10-21
| | | | | | | | | | | | | | inode is never used on video_ioctl2. Remove it and rename the function to __video_ioctl2. This allows its usage directly as a callback at fops.unlocked_ioctl. Since we still need a callback with inode to be used with fops.ioctl, this patch adds video_ioctl2() that is just a call to __video_ioctl2(). Also, this patch adds some comments about video_ioctl2 and __video_ioctl2 usage at v4l2-ioctl.h. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9330): Get rid of inode parameter at v4l_compat_translate_ioctl()Mauro Carvalho Chehab2008-10-21
| | | | | | | | | | | The inode parameter at v4l_compat_translate_ioctl() were just passed over several places just to keep compatible with fops.ioctl. However, it weren't used anywere. This patch gets hid of this unused parameter. Cc: Laurent Pinchart <laurent.pinchart@skynet.be> Cc: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9324): v4l2: add video_ioctl2_unlocked for unlocked_ioctl support.Hans Verkuil2008-10-21
| | | | | | | | Based on an older patch from Sakari Ailus. Cc: Sakari Ailus <sakari.ailus@nokia.com> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9323): v4l2-int-if: Add enum_framesizes and enum_frameintervals ioctls.Sakari Ailus2008-10-21
| | | | | | Signed-off-by: Sakari Ailus <sakari.ailus@nokia.com> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9322): v4l2-int-if: Export more interfaces to modulesSakari Ailus2008-10-21
| | | | | | | | | | | | Export v4l2_int_device_try_attach_all. This allows initiating the initialisation of int if device after the drivers have been registered. Also allow drivers to call ioctls if v4l2-int-if was compiled as module. Signed-off-by: Sakari Ailus <sakari.ailus@nokia.com> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9321): v4l2-int-if: Define new power state changesSakari Ailus2008-10-21
| | | | | | | | | | Use enum v4l2_power instead of int as second argument to vidioc_int_s_power. The new functionality is that standby state is also recognised. Signed-off-by: Sakari Ailus <sakari.ailus@nokia.com> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9319): v4l2-int-if: Add cropcap, g_crop and s_crop commands.Sameer Venkatraman2008-10-21
| | | | | | | Signed-off-by: Sameer Venkatraman <sameerv@ti.com> Signed-off-by: Mohit Jalori <mjalori@ti.com> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9318): v4l2-int-if: Add command to get slave private data.Sakari Ailus2008-10-21
| | | | | | | | | | vidioc_int_g_priv is used to get master's slave-related private data structure. The structure can contain for example master's configuration specific to slave. Signed-off-by: Sakari Ailus <sakari.ailus@nokia.com> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9276): videobuf-dvb: two functions are now staticMauro Carvalho Chehab2008-10-17
| | | | | | | | | | | | | | | This patch marks those two functions as static: static int videobuf_dvb_register_adapter(struct videobuf_dvb_frontends *fe, static int videobuf_dvb_register_frontend(struct dvb_adapter *adapter, Since MFE patches changed their calls by videobuf_dvb_register_bus. To avoid having to declare the prototypes, the patch moves videobuf_dvb_register_bus() to be after the declaration of the above functions used there. Cc: Steven Toth <stoth@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9271): videobuf: data storage optimisation (2)Darron Broad2008-10-17
| | | | | | | | | | | To optimise data storage even further one other redundant var has been removed. This also removes a redundant assignment. Signed-off-by: Steven Toth <stoth@linuxtv.org> Signed-off-by: Darron Broad <darron@kewl.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9268): tuner: add FMD1216MEX tunerDarron Broad2008-10-17
| | | | | | | | | This tuner was already supported by proxy as an FMD1216ME, however, the MEX uses a different FM Radio IF so this addition is now required. Signed-off-by: Darron Broad <darron@kewl.org> Signed-off-by: Steven Toth <stoth@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9265): videobuf: data storage optimisationDarron Broad2008-10-17
| | | | | | | | To optimise data storage redundant vars are removed. Signed-off-by: Darron Broad <darron@kewl.org> Signed-off-by: Steven Toth <stoth@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9245): video: add header to soc_camera_platform include fileMagnus Damm2008-10-17
| | | | | | | | Update the soc_camera_platform header with licensing information. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9241): soc-camera: move sensor power management to ↵Guennadi Liakhovetski2008-10-17
| | | | | | | | | | | | | soc_camera_platform.c Switching sensors on and off is now done by sensor drivers themselves, typically using platform-provided hooks. Update soc_camera_platform.c to do the same. Also remove a refundant struct soc_camera_platform_info definition from soc_camera_platform.c. Tested-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9227): MFE: Add multi-frontend mutual exclusionDarron Broad2008-10-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | This add frontend R/W mutual exclusion. Prior to this point in time it was possible to open both frontends simultaneously which an MFE card cannot support. In order to stop this, a delayed open is performed which has the following function: - Return EBUSY after a configurable amount of time if a frontend is unavailable due to the other being in use. - Only allow opening of a frontend if the kernel thread of the other has stopped. This solution was chosen to allow switching between frontends to work as seamlessly as possible. When both frontends are actually opened simultaneously then one will only open, but if quick switching is performed between one of many then the new open will succeed in a clean fashion rather than interrupting a kernel thread. Signed-off-by: Darron Broad <darron@kewl.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9225): MFE: Add configurable gate controlDarron Broad2008-10-17
| | | | | | | | | | | | This adds a configurable (one per card) gate control option for multi-frontend. Prior to this point gate control was assumed to be on the primary frontend, this is a fault when the gate to the analogue section is on the secondary which is the default for both the HVR-3000 and HVR-4000 in MFE. Signed-off-by: Darron Broad <darron@kewl.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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