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path: root/drivers/media/usb/em28xx/em28xx-audio.c
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* [media] media: Drop FSF's postal address from the source code filesSakari Ailus2017-01-27
| | | | | | | | | | | | | | | | | | | | | Drop the FSF's postal address from the source code files that typically contain mostly the license text. Of the 628 removed instances, 578 are outdated. The patch has been created with the following command without manual edits: git grep -l "675 Mass Ave\|59 Temple Place\|51 Franklin St" -- \ drivers/media/ include/media|while read i; do i=$i perl -e ' open(F,"< $ENV{i}"); $a=join("", <F>); $a =~ s/[ \t]*\*\n.*You should.*\n.*along with.*\n.*(\n.*USA.*$)?\n//m && $a =~ s/(^.*)Or, (point your browser to) /$1To obtain the license, $2\n$1/m; close(F); open(F, "> $ENV{i}"); print F $a; close(F);'; done Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
* [media] em28xx: don't store usb_device at struct em28xxMauro Carvalho Chehab2016-12-12
| | | | | | | | Now that we're storing usb_interface at em28xx struct, there's no good reason to keep storing usb_device, as we can get it from usb_interface. So, get rid of it. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] em28xx: use usb_interface for dev_foo() callsMauro Carvalho Chehab2016-12-12
| | | | | | | | The usb_device->dev is not the right device for dev_foo() calls. Instead, it should use usb_interface->dev. Tested-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] tvp5150: convert it to use dev_foo() macrosMauro Carvalho Chehab2016-11-18
| | | | | | | Instead of using v4l_foo(), use the dev_foo() macros, as most modern media drivers. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] em28xx: convert it from pr_foo() to dev_foo()Mauro Carvalho Chehab2016-11-18
| | | | | | | | | | | Instead of using pr_foo(), use dev_foo(), with provides a better output. As this device is a multi-interface one, we'll set the device name to show the chipset and the driver used. While here, get rid of printk continuation messages. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] em28xx: convert the remaining printks to pr_fooMauro Carvalho Chehab2016-10-21
| | | | | | | | | | | | There are still several places with printk's called directly. Convert them to pr_foo() macros, except for the debug printk's, as those are enabled via modprobe vars. While here, realign the pr_foo() arguments to match the recommended CodingStyle. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] em28xx: use pr_foo instead of em28xx-specific printk macrosMauro Carvalho Chehab2016-10-21
| | | | | | | There's no reason to keep using em28xx-specific printk macros here. Just use pr_foo(). Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] em28xx: don't break long linesMauro Carvalho Chehab2016-10-21
| | | | | | | | | | Due to the 80-cols checkpatch warnings, several strings were broken into multiple lines. This is not considered a good practice anymore, as it makes harder to grep for strings at the source code. So, join those continuation lines. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] usb: constify snd_pcm_ops structuresJulia Lawall2016-09-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Check for snd_pcm_ops structures that are only stored in the ops field of a snd_soc_platform_driver structure or passed as the third argument to snd_pcm_set_ops. The corresponding field or parameter is declared const, so snd_pcm_ops structures that have this property can be declared as const also. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r disable optional_qualifier@ identifier i; position p; @@ static struct snd_pcm_ops i@p = { ... }; @ok1@ identifier r.i; struct snd_soc_platform_driver e; position p; @@ e.ops = &i@p; @ok2@ identifier r.i; expression e1, e2; position p; @@ snd_pcm_set_ops(e1, e2, &i@p) @bad@ position p != {r.p,ok1.p,ok2.p}; identifier r.i; struct snd_pcm_ops e; @@ e@i@p @depends on !bad disable optional_qualifier@ identifier r.i; @@ static +const struct snd_pcm_ops i = { ... }; // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] media: usb: em28xx: em28xx-audio: don't print error when allocating ↵Wolfram Sang2016-08-24
| | | | | | | | | | urb fails kmalloc will print enough information in case of failure. Signed-off-by: Wolfram Sang <wsa-dev@sang-engineering.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* [media] em28xx-audio: fix missing newlinesRussell King2014-12-23
| | | | | | | | | | | | Inspection shows that newlines are missing from several kernel messages in em28xx-audio. Fix these. Fixes: 6d746f91f230 ("[media] em28xx-audio: implement em28xx_ops: suspend/resume hooks") Cc: <stable@vger.kernel.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Reviewed-by: Frank Schäfer <fschaefer.oss@googlemail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* [media] em28xx-audio: fix missing newlinesRussell King2014-12-23
| | | | | | | | | | | | Inspection shows that newlines are missing from several kernel messages in em28xx-audio. Fix these. Fixes: 1b3fd2d34266 ("[media] em28xx-audio: don't hardcode audio URB calculus") Cc: <stable@vger.kernel.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Reviewed-by: Frank Schäfer <fschaefer.oss@googlemail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* [media] em28xx: ensure "closing" messages terminate with a newlineRussell King2014-12-23
| | | | | | | | | | | | | | | | | The lockdep splat addressed in a previous commit revealed that at least one message in em28xx-input.c was missing a new line: em28178 #0: Closing input extensionINFO: trying to register non-static key. Further inspection shows several other messages also miss a new line. These will be fixed in a subsequent patch. Fixes: aa929ad783c0 ("[media] em28xx: print a message at disconnect") Cc: <stable@vger.kernel.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Reviewed-by: Frank Schäfer <fschaefer.oss@googlemail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* [media] em28xx: checkpatch cleanup: whitespaces/new lines cleanupsMauro Carvalho Chehab2014-12-04
| | | | | | | | | | | | | | | | | | | This patch is basically produced while testing a tool that Joe Perches sent upstream sometime ago: https://lkml.org/lkml/2014/7/11/794 I used it with those arguments: $ reformat_with_checkpatch.sh drivers/media/usb/em28xx/em28xx*.[ch] It actually produced 24 patches, with is too much, and showed interesting things: gcc produced different codes on most of the patches, even with just linespace changes. The total code data remained the same on all cases I checked though. Anyway, provided that we fold the resulting patches, this tool seems useful. Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* [media] em28xx: Fix identationMauro Carvalho Chehab2014-09-26
| | | | | | drivers/media/usb/em28xx/em28xx-audio.c:270 snd_em28xx_capture_open() warn: if statement not indented Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* [media] em28xx: simplify usb audio class handlingFrank Schaefer2014-09-23
| | | | | | | | | | | | | | | As far as we know devices can either have audio class or vendor class usb interfaces but not both at the same time. Even if both interface types could be provided by devices at the same time, the current code is totally broken for that case. So clean up and simplify the usb audio class handling by replacing fields "has_audio_class" (device has usb audio class compliant interface) and "has_alsa_audio" (device has vendor audio interface) in struct em28xx with a single enum em28xx_usb_audio_type. Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* [media] em28xx: move fields wq_trigger and streaming_started from struct ↵Frank Schaefer2014-05-23
| | | | | | | | | | | em28xx to struct em28xx_audio Both wq_trigger and stream_started are used only to control the em28xx alsa streaming. They don't belong to em28xx common struct. Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
* Merge branch 'v4l_for_linus' of ↵Linus Torvalds2014-04-04
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media Pull media updates from Mauro Carvalho Chehab: "The main set of series of patches for media subsystem, including: - document RC sysfs class - added an API to setup scancode to allow waking up systems using the Remote Controller - add API for SDR devices. Drivers are still on staging - some API improvements for getting EDID data from media inputs/outputs - new DVB frontend driver for drx-j (ATSC) - one driver (it913x/it9137) got removed, in favor of an improvement on another driver (af9035) - added a skeleton V4L2 PCI driver at documentation - added a dual flash driver (lm3646) - added a new IR driver (img-ir) - added an IR scancode decoder for the Sharp protocol - some improvements at the usbtv driver, to allow its core to be reused. - added a new SDR driver (rtl2832u_sdr) - added a new tuner driver (msi001) - several improvements at em28xx driver to fix PM support, device removal and to split the V4L2 specific bits into a separate sub-driver - one driver got converted to videobuf2 (s2255drv) - the e4000 tuner driver now follows an improved binding model - some fixes at V4L2 compat32 code - several fixes and enhancements at videobuf2 code - some cleanups at V4L2 API documentation - usual driver enhancements, new board additions and misc fixups" [ NOTE! This merge effective drops commit 4329b93b283c ("of: Reduce indentation in of_graph_get_next_endpoint"). The of_graph_get_next_endpoint() function was moved and renamed by commit fd9fdb78a9bf ("[media] of: move graph helpers from drivers/media/v4l2-core to drivers/of"). It was originally called v4l2_of_get_next_endpoint() and lived in the file drivers/media/v4l2-core/v4l2-of.c. In that original location, it was then fixed to support empty port nodes by commit b9db140c1e46 ("[media] v4l: of: Support empty port nodes"), and that commit clashes badly with the dropped "Reduce intendation" commit. I had to choose one or the other, and decided that the "Support empty port nodes" commit was more important ] * 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (426 commits) [media] em28xx-dvb: fix PCTV 461e tuner I2C binding Revert "[media] em28xx-dvb: fix PCTV 461e tuner I2C binding" [media] em28xx: fix PCTV 290e LNA oops [media] em28xx-dvb: fix PCTV 461e tuner I2C binding [media] m88ds3103: fix bug on .set_tone() [media] saa7134: fix WARN_ON during resume [media] v4l2-dv-timings: add module name, description, license [media] videodev2.h: add parenthesis around macro arguments [media] saa6752hs: depends on CRC32 [media] si4713: fix Kconfig dependencies [media] Sensoray 2255 uses videobuf2 [media] adv7180: free an interrupt on failure paths in init_device() [media] e4000: make VIDEO_V4L2 dependency optional [media] af9033: Don't export functions for the hardware filter [media] af9035: use af9033 PID filters [media] af9033: implement PID filter [media] rtl2832_sdr: do not use dynamic stack allocation [media] e4000: fix 32-bit build error [media] em28xx-audio: make sure audio is unmuted on open() [media] DocBook media: v4l2_format_sdr was renamed to v4l2_sdr_format ...
| * [media] em28xx-audio: make sure audio is unmuted on open()Frank Schaefer2014-03-14
| | | | | | | | | | | | | | | | In all cases, when the first capture is called, we need to call the code that unmutes the volume. Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
| * [media] em28xx: Only deallocate struct em28xx after finishing all extensionsMauro Carvalho Chehab2014-03-11
| | | | | | | | | | | | | | | | | | | | | | We can't free struct em28xx while one of the extensions is still using it. So, add a kref() to control it, freeing it only after the extensions fini calls. Reviewed-by: Frank Schäfer <fschaefer.oss@googlemail.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
| * [media] em28xx-audio: implement em28xx_ops: suspend/resume hooksShuah Khan2014-03-03
| | | | | | | | | | | | | | | | | | Implement em28xx_ops: suspend/resume hooks. em28xx usb driver will invoke em28xx_ops: suspend and resume hooks for all its extensions from its suspend() and resume() interfaces. Signed-off-by: Shuah Khan <shuah.kh@samsung.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
| * [media, edac] Change my email addressMauro Carvalho Chehab2014-02-07
| | | | | | | | | | | | | | | | There are several left overs with my old email address. Remove their occurrences and add myself at CREDITS, to allow people to be able to reach me on my new addresses. Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
| * [media] em28xx-audio: fix user counting in snd_em28xx_capture_open()Frank Schaefer2014-02-04
| | | | | | | | | | | | | | | | | | dev->adev.users always needs to be increased when snd_em28xx_capture_open() is called and succeeds. Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com> Cc: stable@vger.kernel.org Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
* | [media] Convert to snd_card_new() with a device pointerTakashi Iwai2014-02-14
|/ | | | | | Also remove superfluous snd_card_set_dev() calls. Signed-off-by: Takashi Iwai <tiwai@suse.de>
* [media] em28xx-audio: remove needless check before usb_free_coherent()Wei Yongjun2014-01-15
| | | | | | | | usb_free_coherent() is safe with NULL addr and this check is not required. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
* [media] em28xx-audio: provide an error code when URB submit failsMauro Carvalho Chehab2014-01-14
| | | | | | | | Instead of just saying: [ 1646.412419] em2882/3 #0: submit of audio urb failed Print the reason why it failed, to help debugging and fixing it. Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
* [media] em28xx: fix check for audio only usb interfaces when changing the ↵Frank Schaefer2014-01-14
| | | | | | | | | | | | | usb alternate setting Previously, we've been assuming that the video endpoints are always at usb interface 0. Hence, if vendor audio endpoints are provided at a separate interface, they were supposed to be at interface number > 0. Instead of checking for (interface number > 0) to determine if an interface is a pure audio interface, dev->is_audio_only should be checked. Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
* [media] em28xx: fix usb alternate setting for analog and digital video ↵Frank Schaefer2014-01-14
| | | | | | | | | | | | | | | | | endpoints > 0 The current code assumes that the analog + digital video endpoints are always at interface number 0 when changing the alternate setting. This seems to work fine for most existing devices. However, at least the SpeedLink VAD Laplace webcam has the video endpoint on interface number 3 (which fortunately doesn't cause any trouble because ist uses bulk transfers only). We already consider the actual interface number for audio endpoints, so rename the the audio_ifnum variable and use it for all device types. Also get get rid of a pointless (ifnum < 0) in em28xx-audio. Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
* em28xx-alsa: Fix error patch for init/finiMauro Carvalho Chehab2014-01-14
| | | | | | | | | | If something bad happens during init, we free the card data. However, we still keep it initialized, causing some dependent code to be called at .fini. Fix it. Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
* [media] em28xx-audio: flush work at .finiMauro Carvalho Chehab2014-01-14
| | | | | | | As a pending action might be still there at the work thread, flush it. Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
* [media] em28xx: adjust period size at runtimeMauro Carvalho Chehab2014-01-14
| | | | | | | | | | While the current hardcoded period is ok for the current values, we may latter change the driver to work with different bit rates or with different latencies than 64ms. So, adust the period size at runtime. Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
* [media] em28xx: print a message at disconnectMauro Carvalho Chehab2014-01-14
| | | | | | | | | That helps to identify if something fails and explain why em28xx struct is not freed (if it ever happens). Reviewed-by: Frank Schäfer <fschaefer.oss@googlemail.com> Tested-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
* [media] em28xx-audio: disconnect before freeing URBsMauro Carvalho Chehab2014-01-14
| | | | | | | | | URBs might be in usage. Disconnect the device before freeing them. Reviewed-by: Frank Schäfer <fschaefer.oss@googlemail.com> Tested-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
* [media] em28xx-audio: simplify error handlingMauro Carvalho Chehab2014-01-14
| | | | | | | | Cleanup the error handling code at em28xx-audio init. Reviewed-by: Frank Schäfer <fschaefer.oss@googlemail.com> Tested-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
* [media] em28xx-audio: fix return code on device disconnectMauro Carvalho Chehab2014-01-14
| | | | | | | | | Alsa has an special non-negative return code to indicate device removal at snd_em28xx_capture_pointer(). Use it, instead of an error code. Reviewed-by: Frank Schäfer <fschaefer.oss@googlemail.com> Tested-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
* [media] em28xx-audio: return -ENODEV when the device is disconnectedMauro Carvalho Chehab2014-01-12
| | | | | | If em28xx is disconnected, return -ENODEV to all PCM callbacks. Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
* [media] em28xx-audio: split URB initialization codeMauro Carvalho Chehab2014-01-12
| | | | | | | | | | | | | The URB calculus code may eventually be moved to some other place, like at pcm open, if it ends by needing more setups, like working with different bit rates, or different audio latency. So, move it into a separate routine. That also makes the code more readable. No functional changes. Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
* [media] em28xx-audio: don't wait for lock in non-block modeMauro Carvalho Chehab2014-01-12
| | | | | | | | | | | | | | | | Pulseaudio has the bad habit of stopping a streaming audio if a device, opened in non-block mode, waits. It is impossible to avoid em28xx to wait, as it will send commands via I2C, and other I2C operations may be happening (firmware transfers, Remote Controller polling, etc). Yet, as each em28xx subdriver locks em28xx-dev to protect the access to the hardware, it is possible to minimize the audio glitches by returning -EAGAIN to pulseaudio, if the lock is already taken by another subdriver. Reported-by: Antti Palosaari <crope@iki.fi> Tested-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
* [media] em28xx-audio: fix the period size in bytesMauro Carvalho Chehab2014-01-12
| | | | | | | | | | | | | | | | | | | | | If the period size is wrong, userspace will assume a wrong delay any may negociate an inadequate value. The em28xx devices use 8 for URB interval, in microframes, and the driver programs it to have 64 packets. That means that the IRQ sampling period is 125 * 8 * 64, with is equal to 64 ms. So, that's the minimal latency with the current settings. It is possible to program a lower latency, by using less than 64 packets, but that increases the amount of bandwitdh used, and the number of IRQ events per second. In any case, in order to support it, the driver logic should be changed to fill those parameters in realtime. Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
* [media] em28xx-audio: don't hardcode audio URB calculusMauro Carvalho Chehab2014-01-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The current code hardcodes the number of audio URBs, the number of packets per URB and the maximum URB size. This is not a good idea, as it: - wastes more bandwidth than necessary, by using a very large number of packets; - those constants are bound to an specific scenario, with a bandwidth of 48 kHz; - don't take the maximum endpoint size into account; - with urb->interval = 1 on xHCI, those constraints cause a "funny" setup: URBs with 64 packets inside, with only 24 bytes total. E. g. a complete waste of space. Change the code to do dynamic URB audio calculus and allocation. For now, use the same constraints as used before this patch, to avoid regressions. A good scenario (tested) seems to use those defines, instead: #define EM28XX_MAX_AUDIO_BUFS 8 #define EM28XX_MIN_AUDIO_PACKETS 2 But let's not do such change here, letting the optimization to happen on latter patches, after more tests. Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
* [media] em28xx-audio: Fix error pathMauro Carvalho Chehab2014-01-12
| | | | | | De-allocate memory and free sound if an error happens. Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
* [media] em28xx-audio: use bInterval on em28xx-audioMauro Carvalho Chehab2014-01-12
| | | | | | | | | | | | | | | Just filling urb->interval with 1 is wrong, and causes a different behaviour with xHCI. With EHCI, the URB size is typically 192 bytes. However, as xHCI specifies intervals in microframes, the URB size becomes too short (24 bytes). With this patch, the interval will be properly initialized, and the device will behave the same if connected into a xHCI or an EHCI device port. Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
* [media] em28xx-audio: allocate URBs at device driver initMauro Carvalho Chehab2014-01-10
| | | | | | | | | | | Instead of allocating/deallocating URBs and transfer buffers every time stream is started/stopped, just do it once. That reduces the memory allocation pressure and makes the code that start/stop streaming a way simpler. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
* [media] em28xx: use usb_alloc_coherent() for audioMauro Carvalho Chehab2014-01-10
| | | | | | | | | | Instead of allocating transfer buffers with kmalloc() use usb_alloc_coherent(). This patch should make it work also with ARM CPUs. Reviewed-by: Frank Schäfer <fschaefer.oss@googlemail.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
* [media] em28xx: unify module versionMauro Carvalho Chehab2014-01-07
| | | | | | | | Use the same module version on all em28xx sub-modules, and use the same naming convention to describe the driver. Reviewed-by: Frank Schäfer <fschaefer.oss@googlemail.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
* [media] em28xx: improve extension information messagesMauro Carvalho Chehab2014-01-07
| | | | | | | | | | | Add a message with consistent prints before and after each extension initialization, and provide a better text for module load. While here, add a missing sanity check for extension finish code at em28xx-v4l extension. Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
* [media] rename most media/video usb drivers to media/usbMauro Carvalho Chehab2012-08-15
Rename all USB drivers with their own directory under drivers/media/video into drivers/media/usb and update the building system. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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