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From: "Péter Ujfalusi" <peter.ujfalusi@linux.intel.com>
To: Yauhen Kharuzhy <jekhor@gmail.com>,
	Cezary Rojewski <cezary.rojewski@intel.com>,
	Liam Girdwood <liam.r.girdwood@linux.intel.com>,
	Bard Liao <yung-chuan.liao@linux.intel.com>,
	Ranjani Sridharan <ranjani.sridharan@linux.intel.com>,
	Kai Vehmanen <kai.vehmanen@linux.intel.com>,
	Pierre-Louis Bossart <pierre-louis.bossart@linux.dev>,
	Mark Brown <broonie@kernel.org>
Cc: linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org,
	Hans de Goede <hansg@kernel.org>
Subject: Re: [PATCH v2 1/3] ASoC: Intel: soc-acpi-cht: Unify device quirks
Date: Mon, 2 Mar 2026 17:54:05 +0200	[thread overview]
Message-ID: <e29bd016-b8f4-46d1-8cfb-ace4b2512082@linux.intel.com> (raw)
In-Reply-To: <20260301-asoc-yogabook-v2-v2-1-adcc7ed40985@gmail.com>



On 01/03/2026 23:33, Yauhen Kharuzhy wrote:
> This file contains two types of quirks, both checking DMI for
> machine-specific strings and returning machine data for a matching entry.
> 
> The first one, `cht_quirk`, is used to override the default entry for an
> existing ACPI codec node if the node's info is invalid. It returns either
> the matched machine data or the default entry if no match is found.
> 
> The second one, `cht_yt3_quirk_cb`, is used for devices (originally the
> Lenovo Yoga Tab 3 Pro) without a valid codec DSDT entry. It is bound to
> the SST ACPI node and returns either the matched machine data or NULL if
> no match is found.
> 
> To allow adding new machine entries to the second case and to use a single
> DMI match entry for both cases (for example, if two variants of one device
> exist: one with a valid ACPI entry and one without, like the Lenovo Yoga
> Book YB1-X91 and YB1-X90 - Windows and Android versions), reorganize
> these quirks functions to use the same approach: machine data is set in
> the matched dmi_system_id entry as driver_data field.
> 
> Signed-off-by: Yauhen Kharuzhy <jekhor@gmail.com>
> ---
>  sound/soc/intel/common/soc-acpi-intel-cht-match.c | 100 +++++++++-------------
>  1 file changed, 42 insertions(+), 58 deletions(-)
> 
> diff --git a/sound/soc/intel/common/soc-acpi-intel-cht-match.c b/sound/soc/intel/common/soc-acpi-intel-cht-match.c
> index e4c3492a0c28..57097c1d011e 100644
> --- a/sound/soc/intel/common/soc-acpi-intel-cht-match.c
> +++ b/sound/soc/intel/common/soc-acpi-intel-cht-match.c

>  
> +static struct snd_soc_acpi_mach *cht_quirk_nocodec(void *arg)

This is confusing, why it is _nocodec?
cht_quirk_strict() or something might be better?

-- 
Péter


  reply	other threads:[~2026-03-02 15:54 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-01 21:33 [PATCH v2 0/3] Add ASoC machine driver for Lenovo YB1 tablets Yauhen Kharuzhy
2026-03-01 21:33 ` [PATCH v2 1/3] ASoC: Intel: soc-acpi-cht: Unify device quirks Yauhen Kharuzhy
2026-03-02 15:54   ` Péter Ujfalusi [this message]
2026-03-02 22:33     ` Yauhen Kharuzhy
2026-03-03  7:10       ` Péter Ujfalusi
2026-03-01 21:33 ` [PATCH v2 2/3] ASoC: Intel: soc-acpi-cht: Add Lenovo Yoga Book entries Yauhen Kharuzhy
2026-03-02 15:48   ` Péter Ujfalusi
2026-03-01 21:33 ` [PATCH v2 3/3] ASoC: Intel: cht_yogabook: Add driver for Lenovo Yoga Book tablets Yauhen Kharuzhy
2026-03-02 12:03   ` Cezary Rojewski
2026-03-03  0:12     ` Yauhen Kharuzhy
2026-03-03  9:30       ` Cezary Rojewski
2026-03-03 20:45         ` Yauhen Kharuzhy

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