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Daniel Scheller
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While cab_state->state gives a quite accurate indication of the demod signal status, it might be incorrect if cab_algo() wasn't able to determine the exact status, with cab_algo() being the only place where this status was updated from, and it is only called upon tuning to new parameters passed to set_frontend(). Thus, the status will be wrong until the demod is retuned. With the cab_signal_type parsing in read_status(), this results in unusual fe_states like FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_LOCK, which, while userspace applications check for FE_HAS_LOCK and work fine, leads to missing CNR or UCB stats. Fix this by re-reading CAB_FSM_STATUS and updating cab_state->state() in read_status(). While at it, refactor the fsm/qamfeclock and the fsm->signaltype parsing into separate functions to make things cleaner and deduplicate code. Also, assume full QAM FEC lock equals full FE_STATUS. Signed-off-by: Daniel Scheller <d.scheller@gmx.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.