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From: Josh Boyer <jwboyer@kernel.org>
To: Hans de Goede <hdegoede@redhat.com>
Cc: Linux Firmware <linux-firmware@kernel.org>
Subject: Re: [PATCH] Add symlink for Dell XPS 15 9550 Broadcom Bluetooth patch-ram file
Date: Tue, 21 Apr 2020 07:47:38 -0400	[thread overview]
Message-ID: <CA+5PVA6p5Dah4YcA-1q7WYD35JVz-Xs1Q6-k_29XMOHCvvvm9w@mail.gmail.com> (raw)
In-Reply-To: <df06edbf-003b-bb1c-ac8e-d46a3c5ed2da@redhat.com>

On Tue, Apr 21, 2020 at 3:46 AM Hans de Goede <hdegoede@redhat.com> wrote:
>
> Hi,
>
> On 4/21/20 12:31 AM, Josh Boyer wrote:
> > On Fri, Apr 17, 2020 at 12:20 PM Hans de Goede <hdegoede@redhat.com> wrote:
> >>
> >> The linux-firmware repo does not contain many Broadcom (now Cypress)
> >> Bluetooth patch-ram files, because we have never been able to get
> >> permission to re-distribute those.
> >>
> >> We do have one file for the for HTC Vive, which was submitted by HTC
> >> themselves with permission from Cypress.
> >>
> >> That file contain a "BCM20703A1 Generic USB 20Mhz fcbga_BU" patch-ram
> >> build. The patch-ram files used by Windows for the Bluetooth module
> >> in the XPS 15 9550, USB-id 0a5c:6410 is also a "BCM20703A1 Generic
> >> USB 20Mhz fcbga_BU" patch-ram build. Since the build-parameters
> >> (crystal MHz, package/module type used) between the 2 builds are an
> >> exact match we can also use the HTC submitted patch-ram for the
> >> XPS 15 9550. So lets add a symlink for this.
> >>
> >> This will make the Bluetooth on the XPS 15 9550 work out of the box,
> >> when linux-firmware is installed, without the user needing to go and
> >> find a suitable patch-ram file themselves.
> >>
> >> This has been tested on a XPS 15 9550 with both Bluetooth HID and
> >> Bluetooth audio devices.
> >>
> >> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
> >> ---
> >>   WHENCE                 | 1 +
> >>   brcm/BCM-0a5c-6410.hcd | 1 +
> >>   2 files changed, 2 insertions(+)
> >>   create mode 120000 brcm/BCM-0a5c-6410.hcd
> >
> > It should be possible to do this by simply using the Link directive in
> > the WHENCE file.  That will create the symlink at installation time.
> > It's a fairly recent enhancement.  I'll look at it tomorrow and adjust
> > if so.
>
> Nice, that would indeed be an improvement as in the past make install
> turned the symlinks into file copies IIRC.
>
> Perhaps you can also convert the brcm/brcmfmac43362-sdio.lemaker,bananapro.txt
> symlink to use this new method?

Both done and pushed out.

josh

      reply	other threads:[~2020-04-21 11:47 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-17 16:20 [PATCH] Add symlink for Dell XPS 15 9550 Broadcom Bluetooth patch-ram file Hans de Goede
2020-04-20 22:31 ` Josh Boyer
2020-04-21  7:46   ` Hans de Goede
2020-04-21 11:47     ` Josh Boyer [this message]

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