Re: [PATCH 11/11] ACPI / scan: Create platform device for CLSA0100 ACPI nodes

From: Hans de Goede <hdegoede@redhat.com>
To: Lucas tanure <tanureal@opensource.cirrus.com>,
	"Rafael J . Wysocki" <rafael@kernel.org>,
	Len Brown <lenb@kernel.org>, Mark Gross <markgross@kernel.org>,
	Liam Girdwood <lgirdwood@gmail.com>,
	Jaroslav Kysela <perex@perex.cz>, Mark Brown <broonie@kernel.org>,
	Takashi Iwai <tiwai@suse.com>, Kailang Yang <kailang@realtek.com>,
	Shuming Fan <shumingf@realtek.com>,
	Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>,
	David Rhodes <david.rhodes@cirrus.com>,
	Vitaly Rodionov <vitalyr@opensource.cirrus.com>
Cc: Jeremy Szu <jeremy.szu@canonical.com>,
	Hui Wang <hui.wang@canonical.com>,
	Werner Sembach <wse@tuxedocomputers.com>,
	Chris Chiu <chris.chiu@canonical.com>,
	Cameron Berkenpas <cam@neo-zeon.de>, Sami Loone <sami@loone.fi>,
	Elia Devito <eliadevito@gmail.com>,
	Srinivas Kandagatla <srinivas.kandagatla@linaro.org>,
	Jack Yu <jack.yu@realtek.com>, Arnd Bergmann <arnd@arndb.de>,
	Lars-Peter Clausen <lars@metafoo.de>,
	Alexandre Belloni <alexandre.belloni@bootlin.com>,
	alsa-devel@alsa-project.org, linux-acpi@vger.kernel.org,
	patches@opensource.cirrus.com,
	platform-driver-x86@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 11/11] ACPI / scan: Create platform device for CLSA0100 ACPI nodes
Date: Tue, 23 Nov 2021 19:35:55 +0100	[thread overview]
Message-ID: <1605be8d-0913-4b52-32e2-8076fff01d30@redhat.com> (raw)
In-Reply-To: <756f813c-cc3e-7ddf-e5db-cf6c874f907e@opensource.cirrus.com>

Hi,

On 11/23/21 18:11, Lucas tanure wrote:
> On 11/23/21 17:05, Hans de Goede wrote:
>> Hi Lucas,
>>
>> On 11/23/21 17:31, Lucas Tanure wrote:
>>> The ACPI device with CLSA0100 is a sound card with multiple
>>> instances of CS35L41.
>>>
>>> We add an ID to the I2C multi instantiate list to enumerate
>>> all I2C slaves correctly.
>>>
>>> Signed-off-by: Lucas Tanure <tanureal@opensource.cirrus.com>
>>> ---
>>>   drivers/acpi/scan.c                          | 1 +
>>>   drivers/platform/x86/i2c-multi-instantiate.c | 7 +++++++
>>>   2 files changed, 8 insertions(+)
>>>
>>> diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
>>> index 2c80765670bc..16827a33e93b 100644
>>> --- a/drivers/acpi/scan.c
>>> +++ b/drivers/acpi/scan.c
>>> @@ -1708,6 +1708,7 @@ static bool acpi_device_enumeration_by_parent(struct acpi_device *device)
>>>           {"BSG2150", },
>>>           {"INT33FE", },
>>>           {"INT3515", },
>>> +        {"CLSA0100", },
>>>           {}
>>>       };
>>>   diff --git a/drivers/platform/x86/i2c-multi-instantiate.c b/drivers/platform/x86/i2c-multi-instantiate.c
>>> index 4956a1df5b90..ed25a0adc656 100644
>>> --- a/drivers/platform/x86/i2c-multi-instantiate.c
>>> +++ b/drivers/platform/x86/i2c-multi-instantiate.c
>>> @@ -147,6 +147,12 @@ static const struct i2c_inst_data int3515_data[]  = {
>>>       {}
>>>   };
>>>   +static const struct i2c_inst_data clsa0100_data[]  = {
>>> +    { "cs35l41-hda", IRQ_RESOURCE_GPIO, 0 },
>>> +    { "cs35l41-hda", IRQ_RESOURCE_GPIO, 0 },
>>
>> This suggests that both amplifiers are using the same GPIO pin as shared
>> IRQ, is that correct ? Can you share an acpidump of the laptop's DSDT tables ?
>>
>> Regards,
>>
>> Hans
>>
> 
> DSDT attached.
> Yes, both amps share the same IRQ gpio.

Thanks, this patch looks good to me:

Reviewed-by: Hans de Goede <hdegoede@redhat.com>

Regards,

Hans

> 
>>
>>
>>
>>> +    {}
>>> +};
>>> +
>>>   /*
>>>    * Note new device-ids must also be added to i2c_multi_instantiate_ids in
>>>    * drivers/acpi/scan.c: acpi_device_enumeration_by_parent().
>>> @@ -155,6 +161,7 @@ static const struct acpi_device_id i2c_multi_inst_acpi_ids[] = {
>>>       { "BSG1160", (unsigned long)bsg1160_data },
>>>       { "BSG2150", (unsigned long)bsg2150_data },
>>>       { "INT3515", (unsigned long)int3515_data },
>>> +    { "CLSA0100", (unsigned long)clsa0100_data },
>>>       { }
>>>   };
>>>   MODULE_DEVICE_TABLE(acpi, i2c_multi_inst_acpi_ids);
>>>
>>