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    SubjectRe: Thinkpad hda regression in 3.3
    At Fri, 13 Apr 2012 15:07:07 +0200,
    Takashi Iwai wrote:
    > For testing, you don't need even patch the driver. When the driver is
    > built with CONFIG_SND_HDA_PATCH_LOADER=y, create a file containing the
    > below as /lib/firmware/alsa-tp-dock:
    > ================================================================
    > [codec]
    > 0x14f15069 0x17aa21a4 0
    > [pincfg]
    > 0x1a 0x21a11000
    > 0x1c 0x23014250
    > ================================================================

    Forgot to mention that the above is only for TP410/510.
    For TP420 & co, the second one should be used.

    Also, for TP410/510, the following values might be better (this time
    contains 0x19, too):

    0x19 0x042110ff
    0x1a 0x21a190f0
    0x1c 0x212140ff

    This will make the built-in and the dock headphones as headphones.
    The mixer elements will be more intuitive than the former version.



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