The crash is due to USB exchanges done at interrupt level.
These exchanges, tied to autogain, are now done by the application.
Also, there is a fix about autogain start.
Concerned subdrivers: etoms, pac7311, sonixj and spca561.
Signed-off-by: NJean-Francois Moine <moinejf@free.fr>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

The values from win traces do not seem to work while the webcams
did work with gspca v1.
Signed-off-by: NJean-Francois Moine <moinejf@free.fr>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

Set back some values of gspcav1 in init of sonixj sensor ov7660.
Add some comments.
Signed-off-by: NJean-Francois Moine <moinejf@free.fr>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

It is an other Pccam168. The .inf says SN9C120B + SP80708, but it should
work as SN9C120 + MI0360.
Signed-off-by: NJean-Francois Moine <moinejf@free.fr>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

This patch removes a big part of the code run at probe time.
Signed-off-by: NJean-Francois Moine <moinejf@free.fr>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

The field driver_info will be used to handle the specific per webcam
information.
Signed-off-by: NJean-Francois Moine <moinejf@free.fr>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

Signed-off-by: NJean-Francois Moine <moinejf@free.fr>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

Signed-off-by: NJean-Francois Moine <moinejf@free.fr>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

Signed-off-by: NJean-Francois Moine <moinejf@free.fr>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

sonixb:   Bad initialization of sensor for 352x288 mode.
                (from Hans de Goede)
sonixj:   Clean-up source.
Signed-off-by: NHans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: NJean-Francois Moine <moinejf@free.fr>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

gspca:    Protect dq_callback() against simultaneous USB exchanges.
          Temporary buffer for USB exchanges added in the device struct.
(all)     Use a temporary buffer for all USB exchanges.
Signed-off-by: NJean-Francois Moine <moinejf@free.fr>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

etoms:    Do not declare the webcams declared by the driver et61x251.
sonixb, sonixj:
          Do not declare the webcams declared by the driver sn9c102.
zc3xx:    Do not declare the webcams declared by the driver zc0301.
Signed-off-by: NJean-Francois Moine <moinejf@free.fr>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

main:     Parameter comp_fac removed.
main, pac207:
          get_buff_size op removed.
(all)     v4l2_pix_format in each subdriver.
Signed-off-by: NJean-Francois Moine <moinejf@free.fr>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

spca561:  Input buffer may be changed on reg write.
(all sd): Cleanup code, 'const' added.
Signed-off-by: NJean-Francois Moine <moinejf@free.fr>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

Done for conex, etoms, pac7311, sonixj, t613 and tv8532.
Code cleanup for some other subdrivers.
Signed-off-by: NJean-Francois Moine <moinejf@free.fr>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

main, etoms, mars, pac207, pac7311, sonixb, sonixj, spca500, spca505:
	 Cleanup source.
sunplus: Compilation error when VIDEO_ADV_DEBUG set.
Signed-off-by: NJean-Francois Moine <moinejf@free.fr>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

- remaning subdrivers added
- remove the decoding helper and some specific frame decodings
Signed-off-by: NJean-Francois Moine <moinejf@free.fr>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>