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Groups > linux.kernel > #1213680

Re: Problems loading firmware using built-in drivers with kernels that use initramfs.

From Liam Girdwood <liam.r.girdwood@linux.intel.com>
Newsgroups linux.kernel
Subject Re: Problems loading firmware using built-in drivers with kernels that use initramfs.
Date 2015-08-26 11:10 +0200
Message-ID <q1ESv-1fe-23@gated-at.bofh.it> (permalink)
References (6 earlier) <q1BhU-4vP-9@gated-at.bofh.it> <q1BBg-4SM-11@gated-at.bofh.it> <q1CdY-5RD-9@gated-at.bofh.it> <q1DWq-8lX-11@gated-at.bofh.it> <q1Eps-s9-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Wed, 2015-08-26 at 08:29 +0000, Jie, Yang wrote:
> > -----Original Message-----
> > From: Liam Girdwood [mailto:liam.r.girdwood@linux.intel.com]

> > I think the options are to either :-
> > 
> > 1) Don not support audio DSP drivers using topology data as built-in drivers.
> > Audio is not really a critical system required for booting anyway.
> > 
> > 2) Create a default PCM for every driver that has topology data on the
> > assumption that every sound card will at least 1 PCM. This PCM can then be
> > re-configured when the FW is loaded.
> 
> Yep, this case is quite similar with what Linus described.
>  
> Is it possible that we can probe pcm device after firmware is loaded for this
> case?
> 

The PCM devices are defined in the topology data so it is only possible
to create the PCM device *after* the firmware is loaded in these
drivers. 

Liam

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Thread

Re: Problems loading firmware using built-in drivers with kernels  that use initramfs. "Luis R. Rodriguez" <mcgrof@suse.com> - 2015-08-25 21:40 +0200
  Re: Problems loading firmware using built-in drivers with kernels that use initramfs. Takashi Iwai <tiwai@suse.de> - 2015-08-25 21:50 +0200
    Re: Problems loading firmware using built-in drivers with kernels  that use initramfs. Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2015-08-25 22:00 +0200
      Re: Problems loading firmware using built-in drivers with kernels  that use initramfs. Linus Torvalds <torvalds@linux-foundation.org> - 2015-08-25 22:30 +0200
        Re: Problems loading firmware using built-in drivers with kernels that use initramfs. yalin wang <yalin.wang2010@gmail.com> - 2015-08-26 07:40 +0200
      RE: Problems loading firmware using built-in drivers with kernels  that use initramfs. "Jie, Yang" <yang.jie@intel.com> - 2015-08-26 07:20 +0200
        Re: Problems loading firmware using built-in drivers with kernels that use initramfs. Takashi Iwai <tiwai@suse.de> - 2015-08-26 07:40 +0200
          RE: Problems loading firmware using built-in drivers with kernels  that use initramfs. "Jie, Yang" <yang.jie@intel.com> - 2015-08-26 08:20 +0200
            Re: Problems loading firmware using built-in drivers with kernels  that use initramfs. Liam Girdwood <liam.r.girdwood@linux.intel.com> - 2015-08-26 10:10 +0200
              RE: Problems loading firmware using built-in drivers with kernels  that use initramfs. "Jie, Yang" <yang.jie@intel.com> - 2015-08-26 10:40 +0200
                Re: Problems loading firmware using built-in drivers with kernels  that use initramfs. Liam Girdwood <liam.r.girdwood@linux.intel.com> - 2015-08-26 11:10 +0200
                RE: Problems loading firmware using built-in drivers with kernels  that use initramfs. "Lin, Mengdong" <mengdong.lin@intel.com> - 2015-08-27 04:00 +0200
                Re: Problems loading firmware using built-in drivers with kernels  that use initramfs. Liam Girdwood <liam.r.girdwood@linux.intel.com> - 2015-08-27 09:10 +0200
              Re: Problems loading firmware using built-in drivers with kernels  that use initramfs. Linus Torvalds <torvalds@linux-foundation.org> - 2015-08-26 20:10 +0200
                Re: Problems loading firmware using built-in drivers with kernels  that use initramfs. Ming Lei <ming.lei@canonical.com> - 2015-08-27 03:00 +0200
                Re: Problems loading firmware using built-in drivers with kernels  that use initramfs. "Luis R. Rodriguez" <mcgrof@suse.com> - 2015-08-29 03:20 +0200
                Re: Problems loading firmware using built-in drivers with kernels  that use initramfs. Ming Lei <ming.lei@canonical.com> - 2015-08-29 06:10 +0200
                Re: Problems loading firmware using built-in drivers with kernels that use initramfs. Takashi Iwai <tiwai@suse.de> - 2015-08-29 09:20 +0200
                Re: Problems loading firmware using built-in drivers with kernels  that use initramfs. Arend van Spriel <arend@broadcom.com> - 2015-08-29 11:00 +0200
                Re: Problems loading firmware using built-in drivers with kernels  that use initramfs. Ming Lei <ming.lei@canonical.com> - 2015-08-29 12:40 +0200
                Re: Problems loading firmware using built-in drivers with kernels  that use initramfs. Arend van Spriel <arend@broadcom.com> - 2015-08-30 10:30 +0200
                Re: Problems loading firmware using built-in drivers with kernels  that use initramfs. Linus Torvalds <torvalds@linux-foundation.org> - 2015-08-30 20:20 +0200
                Re: Problems loading firmware using built-in drivers with kernels  that use initramfs. Ming Lei <ming.lei@canonical.com> - 2015-08-31 16:30 +0200
                Re: Problems loading firmware using built-in drivers with kernels  that use initramfs. "Luis R. Rodriguez" <mcgrof@suse.com> - 2015-09-02 03:20 +0200
                Re: Problems loading firmware using built-in drivers with kernels  that use initramfs. Arend van Spriel <arend@broadcom.com> - 2015-09-02 14:20 +0200
                Re: Problems loading firmware using built-in drivers with kernels  that use initramfs. Arend van Spriel <arend@broadcom.com> - 2015-09-02 14:20 +0200
                Re: Problems loading firmware using built-in drivers with kernels  that use initramfs. "Luis R. Rodriguez" <mcgrof@suse.com> - 2015-09-02 21:00 +0200
                Re: Problems loading firmware using built-in drivers with kernels  that use initramfs. Arend van Spriel <arend@broadcom.com> - 2015-09-02 23:10 +0200
                Re: Problems loading firmware using built-in drivers with kernels  that use initramfs. Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2015-09-03 01:20 +0200
                Re: Problems loading firmware using built-in drivers with kernels  that use initramfs. "Luis R. Rodriguez" <mcgrof@suse.com> - 2015-09-03 01:30 +0200
                Re: Problems loading firmware using built-in drivers with kernels  that use initramfs. Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2015-09-03 01:30 +0200
                Re: Problems loading firmware using built-in drivers with kernels  that use initramfs. "Luis R. Rodriguez" <mcgrof@suse.com> - 2015-09-03 01:50 +0200
                Re: Problems loading firmware using built-in drivers with kernels  that use initramfs. Arend van Spriel <arend@broadcom.com> - 2015-09-03 19:30 +0200
                Re: Problems loading firmware using built-in drivers with kernels  that use initramfs. Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2015-09-03 19:40 +0200
                Re: Problems loading firmware using built-in drivers with kernels  that use initramfs. Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2015-09-02 22:50 +0200
                Re: Problems loading firmware using built-in drivers with kernels  that use initramfs. "Luis R. Rodriguez" <mcgrof@suse.com> - 2015-09-02 02:40 +0200

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