On Wed, 21 Nov 2018 18:38:41 +0100,
Andy Shevchenko wrote:
>
> On Wed, Nov 21, 2018 at 11:16:50AM -0600, Pierre-Louis Bossart wrote:
> > On 11/21/18 8:27 AM, Andy Shevchenko wrote:
>
> > > May you consider to switch to PCI_DEVICE_DATA() first?
> >
> > Is this really the recommended path?
> >
> > The macro generates PCI_DEVICE_ID_##vend##_##dev, and I don't have a turn
> > key #define PCI_DEVICE_ID_INTEL_AUDIO_CFL 0xa348 I can use. In a number of
> > cases we have multiple variants of the same hardware, and it starts being
> > painful to use a 20-letter macro to differentiate between INTEL_AUDIO_CFL_Y
> > and INTEL_AUDIO_CFL_H. The explicit code and a short comment are more
> > readable really.
> >
> > git grep PCI_DEVICE_ID_INTEL gives me hundreds of definitions, some global,
> > some local to specific drivers, doesn't seem like there is a well-agreed
> > usage of this macro, is there? I don't mind making the change but I don't
> > sense an strong argument for it?
>
> Compare:
>
> /* CFL */
> { PCI_DEVICE(0x8086, 0xa348),
> .driver_data = (unsigned long)&snd_soc_acpi_intel_cnl_machines},
>
> to something like:
>
> #define PCI_DEVICE_ID_INTEL_AUDIO_CFL 0xa348
> ...
>
> {PCI_DEVICE_DATA(INTEL, AUDIO_CFL, &snd_soc_acpi_intel_cnl_machines)},
The former gives a better grep-ability, though.
I have no big preference over two, just want to mention that both have
merits and demerits.
thanks,
Takashi
_______________________________________________
Alsa-devel mailing list
Alsa-devel@xxxxxxxxxxxxxxxx
http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
