cx88: convert to vb2

Hi Mauro,

This pull request contains this patch series:

https://www.mail-archive.com/[email protected]/msg79597.html

It's unchanged except for rebasing to the latest master and for fixing the somewhat garbled commit message of patch 02/16.

I have also re-tested the DMA engine: stress testing with continuously switching between TV frequencies (one with and one without a channel) and between inputs (one with (TV) and one without a signal (Composite)) while streaming without ever detecting any DMA problems.

I am convinced the whole DMA restart mess is due to misunderstandings of how format changes are handled. The author apparently thought that format changes can be done while streaming, which is not the case since you cannot change the size of the buffers without stopping first.

So I am sticking by this patch series :-)

Regards,

Hans

The following changes since commit 082417d10fafe7be835d143ade7114b5ce26cb50:

[media] cx231xx: remove direct register PWR_CTL_EN modification that switches port3 (2014-11-01 08:59:06 -0200)

are available in the git repository at:

git://linuxtv.org/hverkuil/media_tree.git cx88

for you to fetch changes up to 1a48165e38da225fa187a756c6dd9941bdd85a9e:

cx88: fix VBI support (2014-11-03 09:39:12 +0100)

----------------------------------------------------------------
Hans Verkuil (16):
cx88: remove fmt from the buffer struct
cx88: drop the bogus 'queue' list in dmaqueue.
cx88: drop videobuf abuse in cx88-alsa
cx88: convert to vb2
cx88: fix sparse warning
cx88: return proper errors during fw load
cx88: drop cx88_free_buffer
cx88: remove dependency on btcx-risc
cx88: increase API command timeout
cx88: don't pollute the kernel log
cx88: move width, height and field to core struct
cx88: drop mpeg_active field.
cx88: don't allow changes while vb2_is_busy
cx88: consistently use UNSET for absent tuner
cx88: pci_disable_device comes after free_irq.
cx88: fix VBI support

 drivers/media/pci/cx88/Kconfig          |   5 +-
 drivers/media/pci/cx88/Makefile         |   1 -
 drivers/media/pci/cx88/cx88-alsa.c      | 112 +++++++++--
 drivers/media/pci/cx88/cx88-blackbird.c | 565 +++++++++++++++++++++++++-----------------------------
 drivers/media/pci/cx88/cx88-cards.c     |  71 +++----
 drivers/media/pci/cx88/cx88-core.c      | 113 ++++-------
 drivers/media/pci/cx88/cx88-dvb.c       | 158 +++++++++++-----
 drivers/media/pci/cx88/cx88-mpeg.c      | 159 ++++------------
 drivers/media/pci/cx88/cx88-vbi.c       | 216 +++++++++++----------
 drivers/media/pci/cx88/cx88-video.c     | 871 ++++++++++++++++++++++++++----------------------------------------------------------
 drivers/media/pci/cx88/cx88.h           | 104 +++++-----
 11 files changed, 985 insertions(+), 1390 deletions(-)