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path: root/drivers/media/video/cx88/cx88-alsa.c
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* V4L/DVB (11992): Add missing __devexit_p()Jean Delvare2009-06-16
| | | | | | | | | Add missing __devexit_p() to several drivers. Also add a few missing __init, __devinit and __exit markers. These errors could result in build failures depending on the kernel configuration. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32)Yang Hongyang2009-04-07
| | | | | | | | Replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32) Signed-off-by: Yang Hongyang<yanghy@cn.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* drivers/media: Convert to snd_card_create()Takashi Iwai2009-01-12
| | | | | | Convert from snd_card_new() to the new snd_card_create() function. Signed-off-by: Takashi Iwai <tiwai@suse.de>
* V4L/DVB (9796): drivers/media/video/cx88/cx88-alsa.c: Adjust error-handling codeJulia Lawall2008-12-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In the function cx88_audio_initdev, the value card has been created using snd_card_new. The other error handling code in this function frees the value using snd_card_free. I have thus changed the first error case to do the same. On the other hand, it may be that card is not sufficiently initialized at this point to use snd_card_free, in which case something else should be done to free the memory in the error case. In the function snd_cx88_create the call kfree(chip) in one error case looks suspicious, both because it is not done in the other error code, and because chip points into the middle of the memory allocated by snd_card_new, ie it is not itself associated with a separate kmalloc. Therefore I have removed it. The semantic match that finds the first problem is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @r exists@ local idexpression x; statement S,S1; position p1,p2,p3; expression E,E1; type T,T1; expression *ptr != NULL; @@ ( if ((x@p1 = snd_card_new(...)) == NULL) S | x@p1 = snd_card_new(...); ) ... when != snd_card_free(...,(T)x,...) when != if (...) { <+... snd_card_free(...,(T)x,...) ...+> } when != true x == NULL || ... when != x = E when != E = (T)x when any ( if (x == NULL || ...) S1 | if@p2 (...) { ... when != snd_card_free(...,(T1)x,...) when != if (...) { <+... snd_card_free(...,(T1)x,...) ...+> } when != x = E1 when != E1 = (T1)x ( return \(0\|<+...x...+>\|ptr\); | return@p3 ...; ) } ) @ script:python @ p1 << r.p1; p3 << r.p3; @@ print "* file: %s snd_card_new: %s return: %s" % (p1[0].file,p1[0].line,p3[0].line) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* v4l-dvb: remove legacy checks to allow support for kernels < 2.6.10Hans Verkuil2008-07-20
| | | | | | | | Also remove some blank lines that were used to split compat code at -devel tree. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (8026): Avoids an OOPS if dev struct can't be successfully recoveredMauro Carvalho Chehab2008-06-26
| | | | | | | | | | | | On some alsa versions, it seems that snd_pcm_substream_chip(substream) is returning a NULL pointer. This causes an OOPS, as reported by: https://bugs.launchpad.net/ubuntu/+source/linux-ubuntu-modules-2.6.24/+bug/212271 https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/212960 This patch avoids the OOPS by not letting and open() succeed. Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvbLinus Torvalds2008-04-24
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb: (452 commits) V4L/DVB (7731): tuner-xc2028: fix signal strength calculus V4L/DVB (7730): tuner-xc2028: Fix SCODE load for MTS firmwares V4L/DVB (7729): Fix VIDIOCGAP corruption in ivtv V4L/DVB (7728): tea5761: bugzilla #10462: tea5761 autodetection code were broken V4L/DVB (7726): cx23885: Enable cx23417 support on the HVR1800 V4L/DVB (7725): cx23885: Add generic cx23417 hardware encoder support V4L/DVB (7723): pvrusb2: Clean up input selection list generation in V4L interface V4L/DVB (7722): pvrusb2: Implement FM radio support for Gotview USB2.0 DVD 2 V4L/DVB (7721): pvrusb2: Restructure cx23416 firmware loading to have a common exit point V4L/DVB (7720): pvrusb2: Fix bad error code on cx23416 firmware load failure V4L/DVB (7719): pvrusb2: Implement input selection enforcement V4L/DVB (7718): pvrusb2-dvb: update Kbuild selections V4L/DVB (7717): pvrusb2-dvb: add DVB-T support for Hauppauge pvrusb2 model 73xxx V4L/DVB (7716): pvrusb2: clean up global functions V4L/DVB (7715): pvrusb2: Clean out all use of __FUNCTION__ V4L/DVB (7714): pvrusb2: Fix hang on module removal V4L/DVB (7713): pvrusb2: Implement cleaner DVB kernel thread shutdown V4L/DVB (7712): pvrusb2: Close connect/disconnect race V4L/DVB (7711): pvrusb2: Fix race on module unload V4L/DVB (7710): pvrusb2: Implement critical digital streaming quirk for onair devices ...
| * V4L/DVB (7521): media/video/cx88 replace remaining __FUNCTION__ occurrencesHarvey Harrison2008-04-24
| | | | | | | | | | | | | | | | __FUNCTION__ is gcc-specific, use __func__ Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
| * V4L/DVB (7237): Convert videobuf-dma-sg to generic DMA APIGuennadi Liakhovetski2008-04-24
| | | | | | | | | | | | | | | | | | videobuf-dma-sg does not need to depend on PCI. Switch it to using generic DMA API, convert all affected drivers, relax Kconfig restriction, improve compile-time type checking, fix some Coding Style violations while at it. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@pengutronix.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* | [ALSA] Fix synchronize_irq() bugs, redundanciesJeff Garzik2008-04-24
|/ | | | | | | | | | | | | | | | free_irq() calls synchronize_irq() for you, so there is no need for drivers to manually do the same thing (again). Thus, calls where sync-irq immediately precedes free-irq can be simplified. However, during this audit several bugs were noticed, where free-irq is preceded by a "irq >= 0" check... but the sync-irq call is not covered by the same check. So, where sync-irq could not be eliminated completely, the missing check was added. Signed-off-by: Jeff Garzik <jgarzik@redhat.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
* [ALSA] Remove sound/driver.hTakashi Iwai2008-01-31
| | | | | | | | | | | | This header file exists only for some hacks to adapt alsa-driver tree. It's useless for building in the kernel. Let's move a few lines in it to sound/core.h and remove it. With this patch, sound/driver.h isn't removed but has just a single compile warning to include it. This should be really killed in future. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
* V4L/DVB (6600): V4L: videobuf: don't chew up namespace STATE_.*, convert to ↵Brandon Philips2008-01-25
| | | | | | | | | | | | | | | VIDEOBUF_ s/STATE_NEEDS_INIT/VIDEOBUF_NEEDS_INIT/g s/STATE_PREPARED/VIDEOBUF_PREPARED/g s/STATE_QUEUED/VIDEOBUF_QUEUED/g s/STATE_ACTIVE/VIDEOBUF_ACTIVE/g s/STATE_DONE/VIDEOBUF_DONE/g s/STATE_ERROR/VIDEOBUF_ERROR/g s/STATE_IDLE/VIDEOBUF_IDLE/g Signed-off-by: Brandon Philips <bphilips@suse.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (6187): cx88-alsa: Add TLV supportTrent Piepho2007-10-22
| | | | | | | Lets mixer apps display a dB range for the volume control. Signed-off-by: Trent Piepho <xyzzy@speakeasy.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (6185): cx88-alsa: Add mute controls, change control namesTrent Piepho2007-10-22
| | | | | | | | | | | | | | | | | | | | | | | | | Add two mute controls. One mutes everything, the other just mutes the analog pass-through output. Rename the existing volume control. The controls are now: Playback Volume Playback Switch Capture Switch These names might seem odd, but I believe they are more correct. The previous "Capture Volume" control didn't actually effect the volume of the captured audio. Instead it controls the volume of the analog pass-thought output. It appears that pass-through controls like this are usually considered to be in the playback direction, not capture. For example, "CAPTURE feedback Playback Volume" is the name used for a control that appears to have the same effect in the ca0106 driver. We only have one volume control, so we can omit the "CAPTURE feedback" part. If someone where to add PCM playback support to the driver, then this would be the volume control. Signed-off-by: Trent Piepho <xyzzy@speakeasy.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* [ALSA] Changed Jaroslav Kysela's e-mail from perex@suse.cz to perex@perex.czJaroslav Kysela2007-10-16
| | | | Signed-off-by: Jaroslav Kysela <perex@perex.cz>
* V4L/DVB (6252): Adapt drivers to use the newer videobuf modulesMauro Carvalho Chehab2007-10-09
| | | | | | | | | | | | | | PCI-dependent videobuf_foo methods were renamed as videobuf_pci_foo. Also, videobuf_dmabuf is now part of videobuf-dma-sg private struct. So, to access it, a subroutine call is needed. This patch renames all occurences of those function calls to be consistent with the video-buf split. Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org> http://thread.gmane.org/gmane.comp.video.video4linux/34978/focus=34981 Reviewed-by: Ricardo Cerqueira <v4l@cerqueira.org>
* V4L/DVB (6186): cx88-alsa: Remove some unused fields in card state structTrent Piepho2007-10-09
| | | | | | | Not sure why they are there, but they don't do anything now. Signed-off-by: Trent Piepho <xyzzy@speakeasy.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (6184): cx88-alsa: Make volume control stereoTrent Piepho2007-10-09
| | | | | | | | | | | | | | | | | Use the balance control to make the mono volume control stereo. Note that full range isn't supported. The balance control attenuates one channel by 0 to -63 dB, and the volume control provides additional attenuation to both channels by another 0 to -63 dB. So the channel with the most attenuation has a range of 0 to -126 dB, while the other channel only has a range of 0 to -63 dB. ALSA volume controls don't appear to support this concept. I just limited the range to 0 to -63 total. Once you get to -63 dB, you're already at silence, so additional attenuation is pretty much pointless anyway. Signed-off-by: Trent Piepho <xyzzy@speakeasy.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (6085): cx88-alsa: Fix mmap supportTrent Piepho2007-10-09
| | | | | | | | | The driver has long claimed to support mmap, but it didn't work at all. Some of the dma buffer parameters weren't set, and since video_buf uses vmalloc to allocate the buffer, a page callback is needed too. Signed-off-by: Trent Piepho <xyzzy@speakeasy.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (6084): cx88-alsa: Eliminate snd_cx88_cardsTrent Piepho2007-10-09
| | | | | | | | The driver kepts a static global array of snd_card pointers for each card probed, which was never used. Signed-off-by: Trent Piepho <xyzzy@speakeasy.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (6083): cx88-alsa: Rework buffer handlingTrent Piepho2007-10-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Rework the way the DMA buffer is handled and IRQs are generated. ALSA uses a ring-buffer of multiple periods. Each period is supposed to corrispond to one IRQ. The existing driver was generating one interrupt per ring-buffer, as opposed to per period. This meant that as soon as the IRQ was generated, the hardware was already starting to re-write the beginning of the buffer. Since the DMA happens on a per-line basis, there was only a narrow window to copy the data out before the buffer was overwritten. The cx88 core RISC program generator is modified so that it can set the IRQ and counter flags to count every X lines of DMA transfer. This way we can generate an interrupt every period instead of every full ring-buffer. Right now only period of one line are supported, but it should be possible to support longer periods. Note that a WRITE instruction generates an IRQ when it starts, not when the transfer is finished. Thus to generate an IRQ when line X is done, one must set the IRQ flag on the instruction that starts line X+1, not the one that ends line X. Change the line size so that there are four lines in the SRAM FIFO. If there are not four lines, the analog output from the cx88's internal DACs is full of clicks and pops. Try to handle FIFO sync errors. Sometimes the chip generates many of these errors before audio data starts. Up to 50 sync errors will be ignored and the counter reset. Have the IRQ handler save the RISC counter to the chip struct, and then have the pointer callback use this to calculate the pointer position. We could read the counter from the pointer callback, but sometimes the sync errors on start up cause the counter to go crazy. ALSA sees this and thinks there has been an overrun. The IRQ hander can avoid saving the counter position on sync errors. The chip "opened" flag wasn't necessary. ALSA won't try to open the same substream multiple times. Probably this code was cut&pasted from the bt87x driver, which has multiple sub-streams for one chip. Do error checking for the videobuf mapping functions. snd_card_cx88_runtime_free() is useless and can be deleted. Signed-off-by: Trent Piepho <xyzzy@speakeasy.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (6068): cx88-alsa: Use pci_dev->revisionTrent Piepho2007-10-09
| | | | | | | | | | | | | The revision is part of the pci_dev struct, so there is no need to read it in. Stop storing the revision and latency in the chip struct, since they're never used after being printed out when the driver loads. linux/pci.h wasn't included. It was getting picked up something else, probably cx88.h, but this file uses struct pci_dev so it should include pci.h. Signed-off-by: Trent Piepho <xyzzy@speakeasy.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (6067): cx88-alsa: Hardware doesn't support mono audioTrent Piepho2007-10-09
| | | | | | | channels_min should be 2, not 1. The hardware only supports stereo. Signed-off-by: Trent Piepho <xyzzy@speakeasy.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (6066): cx88-alsa: Change order of interrupt enabling, fix spurious IRQsTrent Piepho2007-10-09
| | | | | | | | | | | | | | | | | | | | | | Currently the driver turns on audio interrupts, then sets the audio interrupt mask to select which interrupts to get. One could received unwanted interrupts since the mask is set _after_ interrupts have already been turned on. Change the order of the operations, and clear any audio interrupt status bits that are already set for good measure. Before changing the SRAM FIFO parameters, make sure the FIFO isn't being used. This shouldn't happen with just the ALSA driver, as it should never try to turn on FIFO/RISC/DMA while they are already on. However, the V4L driver needs to turn the audio FIFO on for analog audio output to work (undocumented cx88 bug). The FIFO parameters are in an inconsistent state while they are updated, and this results in many FIFO sync error IRQs if the FIFO is in use while it's in this inconsistent state. Also create and use a bunch of symbolic constants for audio interrupt mask bits. Signed-off-by: Trent Piepho <xyzzy@speakeasy.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (6065): cx88-alsa: Call core irq handler when neededTrent Piepho2007-10-09
| | | | | | | | | | | When an irq handled by the cx88 core driver (currently IR and errors) occurs and the cx88-alsa irq handler is the first called, it will claim to have handled the irq but it doesn't call cx88_core_irq() to handle it. The means loading cx88-alsa can disable the IR remote. Signed-off-by: Trent Piepho <xyzzy@speakeasy.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (6064): cx88: Add symbolic names for the PCI interrupt bitsTrent Piepho2007-10-09
| | | | | | | Used for the PCI_INTMSK and PCI_INT_STAT registers. Signed-off-by: Trent Piepho <xyzzy@speakeasy.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* cx88-video build fixAndrew Morton2007-05-07
| | | | | | | | | | | | | alpha: drivers/media/video/cx88/cx88-video.c: In function 'cx8800_initdev': drivers/media/video/cx88/cx88-video.c:1782: error: 'DMA_32BIT_MASK' undeclared (first use in this function) drivers/media/video/cx88/cx88-video.c:1782: error: (Each undeclared identifier is reported only once drivers/media/video/cx88/cx88-video.c:1782: error: for each function it appears in.) Cc: Mauro Carvalho Chehab <mchehab@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* V4L/DVB (5526): Cx88-alsa.c: Use kzallocvignesh.babu@wipro.com2007-04-27
| | | | | | | Replacing kmalloc/memset combination with kzalloc. Signed-off-by: vignesh babu <vignesh.babu@wipro.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (5488): Replace DMA magic mask for its aliasesMauro Carvalho Chehab2007-04-27
| | | | Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (5480): Fix cx88_print_irqbits calls to use ARRAY_SIZEMauro Carvalho Chehab2007-04-27
| | | | | | | cx88_print_irqbits were expecting a string pointer with 32 bytes. Better to pass the string size and use ARRAY_SIZE on its calls. Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* IRQ: Maintain regs pointer globally rather than passing to IRQ handlersDavid Howells2006-10-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Maintain a per-CPU global "struct pt_regs *" variable which can be used instead of passing regs around manually through all ~1800 interrupt handlers in the Linux kernel. The regs pointer is used in few places, but it potentially costs both stack space and code to pass it around. On the FRV arch, removing the regs parameter from all the genirq function results in a 20% speed up of the IRQ exit path (ie: from leaving timer_interrupt() to leaving do_IRQ()). Where appropriate, an arch may override the generic storage facility and do something different with the variable. On FRV, for instance, the address is maintained in GR28 at all times inside the kernel as part of general exception handling. Having looked over the code, it appears that the parameter may be handed down through up to twenty or so layers of functions. Consider a USB character device attached to a USB hub, attached to a USB controller that posts its interrupts through a cascaded auxiliary interrupt controller. A character device driver may want to pass regs to the sysrq handler through the input layer which adds another few layers of parameter passing. I've build this code with allyesconfig for x86_64 and i386. I've runtested the main part of the code on FRV and i386, though I can't test most of the drivers. I've also done partial conversion for powerpc and MIPS - these at least compile with minimal configurations. This will affect all archs. Mostly the changes should be relatively easy. Take do_IRQ(), store the regs pointer at the beginning, saving the old one: struct pt_regs *old_regs = set_irq_regs(regs); And put the old one back at the end: set_irq_regs(old_regs); Don't pass regs through to generic_handle_irq() or __do_IRQ(). In timer_interrupt(), this sort of change will be necessary: - update_process_times(user_mode(regs)); - profile_tick(CPU_PROFILING, regs); + update_process_times(user_mode(get_irq_regs())); + profile_tick(CPU_PROFILING); I'd like to move update_process_times()'s use of get_irq_regs() into itself, except that i386, alone of the archs, uses something other than user_mode(). Some notes on the interrupt handling in the drivers: (*) input_dev() is now gone entirely. The regs pointer is no longer stored in the input_dev struct. (*) finish_unlinks() in drivers/usb/host/ohci-q.c needs checking. It does something different depending on whether it's been supplied with a regs pointer or not. (*) Various IRQ handler function pointers have been moved to type irq_handler_t. Signed-Off-By: David Howells <dhowells@redhat.com> (cherry picked from 1b16e7ac850969f38b375e511e3fa2f474a33867 commit)
* [PATCH] irq-flags: media: Use the new IRQF_ constantsThomas Gleixner2006-07-02
| | | | | | | | | | Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@elte.hu> Cc: "David S. Miller" <davem@davemloft.net> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Mauro Carvalho Chehab <mchehab@infradead.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] 64bit resource: fix up printks for resources in video driversGreg Kroah-Hartman2006-06-27
| | | | | | | | | | This is needed if we wish to change the size of the resource structures. Based on an original patch from Vivek Goyal <vgoyal@in.ibm.com> Cc: Vivek Goyal <vgoyal@in.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* V4L/DVB (4131): Fix cx88-alsa vs IRQ remote conflictRicardo Cerqueira2006-06-25
| | | | | | | | | cx88-alsa was resetting the card on load, causing the IRQ IR handler to go away (maybe others, too). There's no actual need to reset the card, though, so that line was removed Signed-off-by: Ricardo Cerqueira <v4l@cerqueira.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (3715): Change all emails to the currently used one.Mauro Carvalho Chehab2006-06-25
| | | | Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* [ALSA] add __devinitdata to all pci_device_idHenrik Kretzschmar2006-04-27
| | | | | Signed-off-by: Henrik Kretzschmar <henne@nachtwindheim.de> Signed-off-by: Takashi Iwai <tiwai@suse.de>
* V4L/DVB (3516): Make video_buf more genericMauro Carvalho Chehab2006-03-24
| | | | | | | | | | | Video_buf were concerned to allow PCI devices to be used as video capture devices. This patch extends video_buf features by virtualizing pci-dependent functions and allowing other type of devices to use it. It is still DMA centric, although it may be used also by devices that emulates scatter/gather behavior or a DMA device Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* Merge with ↵Jaroslav Kysela2006-03-22
|\ | | | | | | rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
| * V4L/DVB (3488): Snd_cx88_create: don't dereference NULL coreDuncan Sands2006-03-21
| | | | | | | | | | | | | | | | | | If the call to cx88_core_get returns a NULL value, it is dereferenced by cx88_reset, and perhaps by cx88_core_put. Spotted by the Coverity checker. Signed-off-by: Duncan Sands <baldrick@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
| * V4L/DVB (3318a): Makes Some symbols static.Mauro Carvalho Chehab2006-02-07
| | | | | | | | | | | | Some symbols at cx88-alsa were global. Making those static. Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* | [ALSA] Fix snd_xxx_t typedefsTakashi Iwai2006-03-22
| | | | | | | | | | | | | | | | Modules: PXA Mainstone driver,CX88 driver,SAA7134 driver Replace snd_xxx_t typedefs with explicit structs. Signed-off-by: Takashi Iwai <tiwai@suse.de>
* | V4L/DVB (3318a): Makes Some symbols static.Mauro Carvalho Chehab2006-02-07
|/ | | | | | Some symbols at cx88-alsa were global. Making those static. Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (3386): fix some sound quality & distortion problems.Ricardo Cerqueira2006-01-15
| | | | | | | | - Fix some sound quality & distortion problems. Signed-off-by: Ricardo Cerqueira <v4l@cerqueira.org> Signed-off-by: Michael Krufky <mkrufky@m1k.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (3375): git dvb callbacks fixAndrew Morton2006-01-15
| | | | | | | - Not sure what went wrong here, but SND_PCI_PM_CALLBACKS got deleted. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (3355): removed uneeded init on structs like static int foo=0Mauro Carvalho Chehab2006-01-13
| | | | | | | - Static vars are equal to zero by default. Removed unnecessary =0 from them, saving some data space Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (3293): Added digital support for cx88 (cx88-alsa)Mauro Carvalho Chehab2006-01-09
- This module is co-authored by Ricardo Cerqueira <v4l@cerqueira.org>. - Added digital audio support for cx88-based boards that have function 01 enabled. These boards can be identified by having PCI id 1471:8801 or 1471:8811. - Increased DMA buffer from 512 to 4096 seems to fix audio distortion. - Existing audio DMA uses conflict with cx88-alsa. Should be disabled when cx88-alsa module is compiled. Signed-off-by: Ricardo Cerqueira <v4l@cerqueira.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
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