ACK: [SRU][B/OEM-B/C][PATCH 0/2] the external mic can't work on a Dell machine

[Anthony Wong]

On Thu, 30 May 2019 at 22:36, Hui Wang <hui.wang at canonical.com> wrote:
>
> BugLink: https://launchpad.net/bugs/1831065
>
> These two patches are already in the kernel-v5.0, so only B and C need
> these two patches.
>
> [Impact]
> On a Dell machine, there is no other output devices but a headphone
> on it, when plugging headset, the headset-mic can't work.
>
> [Fix]
> The headphone detection method is buggy, the driver can't detect
> the headphone, then the driver will not initialize for headset-mic,
> after applying these patches, the problem is fixed.
>
> [Test Case]
> Plug headset and record the sound from headset-mic, it works well.
>
> [Regression Risk]
> Low. the patch just change the headphone detection function, and the
> function is already in the kernel from 5.0-rc, no bug is reported.
>
>
> Kailang Yang (1):
>   ALSA: hda/realtek - Fixed hp_pin no value
>
> Takashi Iwai (1):
>   ALSA: hda/realtek - Use a common helper for hp pin reference
>
>  sound/pci/hda/patch_realtek.c | 127 ++++++++++++++++++----------------
>  1 file changed, 68 insertions(+), 59 deletions(-)

Acked-by: Anthony Wong <anthony.wong at canonical.com>

Thanks,
Anthony