9027c4639e
Although the ack callback is supposed to be called at each appl_ptr or hw_ptr update, we missed a few opportunities: namely, forward, rewind and sync_ptr. Formerly calling ack at rewind may have leaded to unexpected results due to the forgotten negative appl_ptr update in indirect-PCM helper, which is the major user of the PCM ack callback. But now we fixed this oversights, thus we can call ack callback safely even at rewind callback -- of course with the proper handling of the error from the callback. This patch adds the calls of ack callback in the places mentioned in the above. Signed-off-by: Takashi Iwai <tiwai@suse.de> |
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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.