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This dirty hack adds camera activation/deactivation on open/close.
This code will have to move to a machine/platform area later. The
general driver is the wrong place for it.
It also removes the unconditional activation and moves the domain
setting to the rest of the power control code. (Thanks, Andy !)
Note that opening the camera now always takes about 20 seconds
until the settings are downloaded, not just on the first open.
Signed-off-by: Werner Almesberger <werner@openmoko.org>
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The PLL converts a 26.6 MHz input clock to 87.8 MHz, which is later
divided by two and becomes PCLK. (See comments below for details.)
All this looks like a textbook example for platform stuff, but let's
take it one step a time.
Signed-off-by: Werner Almesberger <werner@openmoko.org>
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This patch does some light cleanup on the S5K4BA driver:
- change structure initializers from field: to .field = syntax
- exlicitly name fields in structure initializers
- added proper error handling to sensor_read
- use ARRAY_SIZE
- remove redundant parentheses and braces
- change // to /* ... */
- remove non-ASCII characters
- general whitespace cleanup
- removed an unused variable warning
(4xa_sensor.h is only partially cleaned up.)
Signed-off-by: Werner Almesberger <werner@openmoko.org>
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The camera driver reduced all IO drivers from their reset defaults of
6 mA to only 2 mA, which caused severe signal distortion at higher
speeds. This patch sets them to 8 mA and also removes apparently
useless repetitions of the setting.
Note that the correct setting of the I2C pullups still needs to be
verified.
Signed-off-by: Werner Almesberger <werner@openmoko.org>
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This patch makes the Samsung S5K4BA driver work in 2.6.29 and also solves
a few minor issues, such as trailing whitespace.
Signed-off-by: Werner Almesberger <werner@openmoko.org>
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This is the original Samsung S5K4BA camera driver code from the 2.6.21
BSP. The changes that are needed to make this work in 2.6.29 are in
the next patch.
Signed-off-by: Werner Almesberger <werner@openmoko.org>
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