- 30 Mar, 2009 40 commits
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Mike Isely authored
This change removes the old i2c module controlling layer from the pvrusb2 driver. This is code that first had appeared in the driver back in December 2005. It's history. Now we use v4l2-subdev. Please note also that with this change, the driver will no longer be usable in kernels older that 2.6.22. Signed-off-by:
Mike Isely <isely@pobox.com> Signed-off-by:
Mauro Carvalho Chehab <mchehab@redhat.com>
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Mike Isely authored
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Mike Isely authored
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Mike Isely authored
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Mike Isely authored
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Mike Isely authored
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Mike Isely authored
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Mike Isely authored
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Mike Isely authored
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Mike Isely authored
The v4l2-subdev infrastructure requires that an initialization call must be issued to all attached sub-devices before normal operation can start. This change satisfies that requirement. Signed-off-by:
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Mike Isely authored
When a pvrusb2 driver instance first initializes, we need to be sure to send out a complete state update for everything to all attached modules. The old i2c layer did this by keeping a separate mask of "stale" bits for each attached module - and setting that mask to all stale when that module attaches. But the new sub-device adaptation I've implemented here no longer has per-module stale bits. So instead there's now a global "force dirty" bit that is set upon instance initialization, before the sub-devices are attached. After the first update, this bit is cleared, allowing for normal update-on-dirty behavior. In this manner, we ensure that all sub-devices have been properly synchronized at initialization. Signed-off-by:
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Mike Isely authored
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Mike Isely authored
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Mike Isely authored
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Mike Isely authored
The tuner sub-device isn't going to work very well unless we tell it the correct tuner type to use... Signed-off-by:
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Mike Isely authored
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Mike Isely authored
The sub-device update mechanism relies on various "dirty" bits in the driver in order to know what pieces of state need to be propagated out to the various sub-devices. But that won't work if the dirty bits are cleared before the update gets a chance to run. This change ensures that the update takes place before the dirty bits are cleared. Signed-off-by:
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Mike Isely authored
A sub-device won't successfully attach to our I2C adapter if its class isn't set to zero. Right the class is still set to I2C_CLASS_TV_ANALOG in order to allow the old mechanism to still work. This change temporarily sets the class to zero during the interval when the sub-device attaches. This code will get removed when the old i2c layer is finally removed from the driver. Signed-off-by:
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Mike Isely authored
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Mike Isely authored
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Mike Isely authored
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Mike Isely authored
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Mike Isely authored
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Mike Isely authored
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Mike Isely authored
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Mike Isely authored
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Mike Isely authored
The pvrusb2 driver had previously been using i2c module specific calls to set the sample rate (a long long time ago this was needed). These days it is safe to use a broadcast so let's just broadcast this when communicating audio sample rate to sub-devices. Signed-off-by:
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Mike Isely authored
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Mike Isely authored
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Mike Isely authored
Lay down a foundation whereby it becomes possible to send customized updates to specific sub-devices. (This becomes useful for routing configuration, which is a very sub-device specific operation.) Signed-off-by:
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Mike Isely authored
The pvrusb2 driver has a function that reports internal state. It can be accessed from either the debug interface or as the result of a v4l log status request. This change adds information listing sub-devices to the report. Signed-off-by:
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Mike Isely authored
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Mike Isely authored
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Mike Isely authored
Implement code to send appropriate streaming start/stop commands to attached sub-devices Signed-off-by:
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Mike Isely authored
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Mike Isely authored
Other code may need to treat the video decoder sub-device in a special manner, so this change implements code to recognize when such a sub-device is connected to the driver, does any special processing for it, and notes who the device is for future reference. Signed-off-by:
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Mike Isely authored
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Mike Isely authored
This is another step in the v42l-subdev assimilation. This implements various call-outs to sub-devices based on state changes within the pvrusb2 driver. Signed-off-by:
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Mike Isely authored
Implement status fetching operations in terms of calling out to sub-device(s). Signed-off-by:
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Mike Isely authored
Implement tie-in for v4l2 debug register access such that the appropriate attached sub-device is handled. Signed-off-by:
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