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

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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@xxxxxxxxxxxxxxxxxxxxx>
> ---
>  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




> +	{}
> +};
> +
>  /*
>   * 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);
> 




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