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    [ALSA] ac97 - fix microphone and line_in selection logic · 831466f4
    Randy Cushman 提交于
    This patch fixes the Microphone and LINE_IN select logic for
    Analog Devices surround codecs with shared jacks.  The existing
    code can never utilize the shared jacks for Microphone and LINE_IN
    due to the reversed jack selection logic.  The patched code
    correctly selects the shared jack for input if the 'Channel Mode'
    selector does not specify that the jack is to be used for output.
    Specifically, in '2ch' mode the Center/LFE jack is used for
    microphone input and the Surround jack is used for LINE_IN,
    in '4ch' mode the Center/LFE jack is used for microphone input
    and the Surround jack is used for output, and in '6ch' mode
    both jacks are used for output.
    Signed-off-by: NRandy Cushman <rcushman_linux@earthlink.net>
    Signed-off-by: NTakashi Iwai <tiwai@suse.de>
    Signed-off-by: NJaroslav Kysela <perex@suse.cz>
    831466f4
ac97_patch.c 97.7 KB