ALSA: Echoaudio - Add firmware cache #2

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This patch implements a simple cache for the firmware files when CONFIG_PM is defined.

This patch changes get_firmware(), free_firmware() and adds
free_firmware_cache(). The first two functions implement a very
simple cache and the latter is used to actually release all the stored
firmwares when the module is unloaded. 
When CONFIG_PM is not enabled those functions act as before, that is
free_firmware() releases the firmware immediately and
free_firmware_cache() does nothing.

Signed-off-by: Giuliano Pochini <pochini@shiny.it>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

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Giuliano Pochini 2010-02-14 18:15:51 +01:00 • committed by Takashi Iwai

parent 19b5006378

commit 4f8ada444c

2 changed files with 41 additions and 4 deletions

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42

sound/pci/echoaudio/echoaudio.c

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3

sound/pci/echoaudio/echoaudio.h

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