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authorDevin Heitmueller <dheitmueller@kernellabs.com>2009-05-04 22:29:17 -0400
committerDevin Heitmueller <dheitmueller@kernellabs.com>2009-05-04 22:29:17 -0400
commitc69585fadf77969b8eb7eee245fcb38f300227dd (patch)
tree134e01a2342d749334691160d5f84288c1ab8699 /linux/drivers/media/video/au0828
parent4cca9aa01782049817d8d9abf78e683e3c7dfd0e (diff)
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xc5000: poll at 5ms interval for register write command completion
From: Devin Heitmueller <dheitmueller@kernellabs.com> Instead of polling at 100ms intervals for register writes, poll at 5ms intervals. This is consistent with the xc5000 specification, and improves tuning time by up to 500 ms on devices that such as the au0828 which do not properly implement i2c clock stretching (since the five register writes that occur for a tuning request often do not complete immediately but do complete far before 100ms has gone by). The net amount of time we wait before timing out is unchanged (500ms). Priority: normal Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
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