linux-kernel - Re: [PATCH 03/13] ALSA: hda: Add controller matching macros

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Date:   Tue, 11 Jul 2023 16:36:09 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Amadeusz Sławiński 
        <amadeuszx.slawinski@...ux.intel.com>
Cc:     Bjorn Helgaas <bhelgaas@...gle.com>,
        Mark Brown <broonie@...nel.org>, Takashi Iwai <tiwai@...e.com>,
        alsa-devel@...a-project.org, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Cezary Rojewski <cezary.rojewski@...el.com>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        Kai Vehmanen <kai.vehmanen@...ux.intel.com>,
        Hans de Goede <hdegoede@...hat.com>
Subject: Re: [PATCH 03/13] ALSA: hda: Add controller matching macros

On Tue, Jul 11, 2023 at 02:57:16PM +0200, Amadeusz Sławiński wrote:
> Some HDA controllers require additional handling, so there are macros to
> match them, however those are spread across multiple files. Add them all
> in one place, so they can be reused.

FWIW,
Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

One nit-pick below.

> Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@...ux.intel.com>
> ---
>  include/sound/hdaudio.h | 27 +++++++++++++++++++++++++++
>  1 file changed, 27 insertions(+)
> 
> diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h
> index 2ffdf58bd6d4..aacacca456d5 100644
> --- a/include/sound/hdaudio.h
> +++ b/include/sound/hdaudio.h
> @@ -11,6 +11,7 @@
>  #include <linux/io.h>
>  #include <linux/io-64-nonatomic-lo-hi.h>
>  #include <linux/iopoll.h>
> +#include <linux/pci.h>
>  #include <linux/pm_runtime.h>
>  #include <linux/timecounter.h>
>  #include <sound/core.h>
> @@ -704,4 +705,30 @@ static inline unsigned int snd_array_index(struct snd_array *array, void *ptr)
>  	for ((idx) = 0, (ptr) = (array)->list; (idx) < (array)->used; \
>  	     (ptr) = snd_array_elem(array, ++(idx)))
>  
> +/*
> + * Device matching
> + */
> +
> +#define HDA_CONTROLLER_IS_HSW(pci) (pci_match_id((struct pci_device_id []){ \
> +			{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_HDA_HSW_0) }, \
> +			{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_HDA_HSW_2) }, \
> +			{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_HDA_HSW_3) }, \
> +			{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_HDA_BDW) }, \
> +			{ } \
> +		}, pci))
> +
> +#define HDA_CONTROLLER_IS_APL(pci) (pci_match_id((struct pci_device_id []){ \
> +			{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_HDA_APL) }, \
> +			{ } \
> +		}, pci))
> +
> +#define HDA_CONTROLLER_IN_GPU(pci) (HDA_CONTROLLER_IS_HSW(pci) || \
> +		pci_match_id((struct pci_device_id []){ \

I think if you start with pci_match_id() and move HDA_CONTROLLER_IS_HSW() at
the end it will make this macro aligned with the rest, so easier to get them
all at once.

> +			{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_HDA_DG1) }, \
> +			{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_HDA_DG2_0) }, \
> +			{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_HDA_DG2_1) }, \
> +			{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_HDA_DG2_2) }, \
> +			{ } \
> +		}, pci))

-- 
With Best Regards,
Andy Shevchenko