On Fri, 10 May 2019 08:49:51 +0200, MichaX2 Wadowski wrote:

Hi. I prepared patch for this bug: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1524215

I tested this patch on Linux 5.1.0 and it fixes problem on my Lenovo B50-70 laptop. commit 450484025b7051c8c078e95e906d7133967b9c36 Author: Michał Wadowski wadosm@gmail.com Date: Thu May 9 16:02:23 2019 +0200

Fix for Lenovo B50-70 inverted internal microphone bug.
Ref: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1524215

Could you re-format the patch in a standard kernel patch way? Especially don't forget to give your signed-off-by line. See Documentation/process/submitting-patches.rst for details.

thanks,

Takashi