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authorTobias Lorenz <tobias.lorenz@gmx.net>2008-01-27 14:54:07 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-02-18 11:14:59 -0300
commit0e3301ec23000ffbbe28771eb79628856a9a2f84 (patch)
treec6d2ab5c24d0a13d4d78b317a60fe4ad1166b218 /.mailmap
parent2de3a5a5c52ae1550be537829bb487131430d74b (diff)
downloadop-kernel-dev-0e3301ec23000ffbbe28771eb79628856a9a2f84.zip
op-kernel-dev-0e3301ec23000ffbbe28771eb79628856a9a2f84.tar.gz
V4L/DVB (7091): radio-si470x improvements and seldom problem fixed in tuning functions
I updated the radio-si470x driver another time. Here are the commented history entries: - number of seek_retries changed to tune_timeout The last versions checked for the end of frequency tuning by polling a si470x register. Therefore polling depended on the usb utilization. This was changed to have a constant timeout now. - fixed problem with incomplete tune operations by own buffers The last version used a shared buffer to assembly the USB HID reports. It sometimes happened, that multiple functions were modifing this buffer simultanuously. When sending such reports, the hardware returned USB stalls (-EPIPE). Now buffers of the correct size (smaller than before) are allocated as local variables. - optimization of variables The size of some variables has been reduced to allow the compiler to generate more optimized code. - improved error logging At some important location, error checking was improved. Especially the usb transfers to access si470x registers and the tuning functions were modified. Signed-off-by: Tobias Lorenz <tobias.lorenz@gmx.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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