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SubjectRe: [PATCH 5/5] ACPI / scan: Create platform device for CLSA0100
On Thu, 13 Jan 2022 18:07:28 +0100,
Lucas Tanure wrote:
>
> The ACPI device with CLSA0100 is a sound card with
> multiple instances of CS35L41 connected by I2C to
> the main CPU.
>
> We add an ID to the i2c_multi_instantiate_idsi list
> to enumerate all I2C slaves correctly.
>
> Signed-off-by: Lucas Tanure <tanureal@opensource.cirrus.com>

I think it's better to merge this from sound git tree together with
others in the patch set, presumably for rc1.

It'd be great if ACPI people can take a review and give an ack/nack.


Thanks!

Takashi

> ---
> drivers/acpi/scan.c | 2 ++
> drivers/platform/x86/i2c-multi-instantiate.c | 8 ++++++++
> 2 files changed, 10 insertions(+)
>
> diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
> index c215bc8723d0..2a68031d953e 100644
> --- a/drivers/acpi/scan.c
> +++ b/drivers/acpi/scan.c
> @@ -1753,6 +1753,8 @@ static bool acpi_device_enumeration_by_parent(struct acpi_device *device)
> */
> {"BCM4752", },
> {"LNV4752", },
> + /* Non-conforming _HID for Cirrus Logic already released */
> + {"CLSA0100", },
> {}
> };
>
> diff --git a/drivers/platform/x86/i2c-multi-instantiate.c b/drivers/platform/x86/i2c-multi-instantiate.c
> index 4956a1df5b90..a51a74933fa9 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 cs35l41_hda[] = {
> + { "cs35l41-hda", IRQ_RESOURCE_GPIO, 0 },
> + { "cs35l41-hda", IRQ_RESOURCE_GPIO, 0 },
> + {}
> +};
> +
> /*
> * 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 +161,8 @@ 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 },
> + /* Non-conforming _HID for Cirrus Logic already released */
> + { "CLSA0100", (unsigned long)cs35l41_hda },
> { }
> };
> MODULE_DEVICE_TABLE(acpi, i2c_multi_inst_acpi_ids);
> --
> 2.34.1
>

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