APPLIED(B,C)/cmnt: [SRU][B/OEM-B/C/D/unstable][PATCH 0/3] line-out on the Dell dock station can't work

[Khaled Elmously]

Patches #1, #2 and #3 applied to Bionic
Patch #3 applied to cosmic


On 2018-12-04 14:30:05 , Hui Wang wrote:
> BugLink: https://bugs.launchpad.net/bugs/1806532
> 
> The 0001-xxx.patch and 0002-xxx.patch are already in the kernel-v4.18, so these
> two patches are only for Bionic and oem-bionic.
> 
> The 0003-xxx.patch is in the kernel-v4.20-rc5, it is for B/OEM-B/C/D/unstable
> 
> [Impact]
> On the Dell thunderbolt docs stations (WD15 and WD19), there are two playback
> devices, one is headphone, the other is line-out, but there is no UCM for
> these docks yet, so the pluseaudio only can handle the 1st playback device,
> need us to add the UCM for them, before adding UCM, we need to set the
> longname of the sound card in the linux kernel.
> 
> [Fix]
> Cherry-picked 3 upstream patches, these patches add the longname of the sound
> card for the dock station.
> 
> 
> [Test Case]
> Open the gnome-sound-setting, we can choose headphone-usb and lineout-usb from
> UI, and play sound via these devices
> 
> [Regression Potential]
> Very low, these patches come from upstream, and the change is only specific
> to WD15 and WD19 dock station.
> 
> 
> Hui Wang (1):
>   ALSA: usb-audio: Add vendor and product name for Dell WD19 Dock
> 
> Takashi Iwai (2):
>   ALSA: usb-audio: Allow to override the longname string
>   ALSA: usb-audio: Give proper vendor/product name for Dell WD15 Dock
> 
>  sound/usb/card.c         | 146 ++++++++++++++++++++++++++++-------------------
>  sound/usb/quirks-table.h |  20 +++++++
>  sound/usb/usbaudio.h     |   1 +
>  3 files changed, 108 insertions(+), 59 deletions(-)
> 
> -- 
> 2.7.4
> 
> 
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