Re: [PATCH v5 9/9] ACPI / scan: Create platform device for CS35L41

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On Fri, Jan 21, 2022 at 3:33 PM Stefan Binding
<sbinding@xxxxxxxxxxxxxxxxxxxxx> wrote:
>
> From: Lucas Tanure <tanureal@xxxxxxxxxxxxxxxxxxxxx>
>
> The ACPI device with CSC3551 or CLSA0100 are sound cards
> with multiple instances of CS35L41 connectec by I2C or SPI

s/connectec/connected/

> to the main CPU.
>
> We add an ID to the ignore_serial_bus_ids list to enumerate
> all I2C or SPI devices correctly.

The serial-multi-instantiate change needs to be mentioned too.

> Signed-off-by: Lucas Tanure <tanureal@xxxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Stefan Binding <sbinding@xxxxxxxxxxxxxxxxxxxxx>
> ---
>  drivers/acpi/scan.c                             |  3 +++
>  drivers/platform/x86/serial-multi-instantiate.c | 14 ++++++++++++++
>  2 files changed, 17 insertions(+)
>
> diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
> index 38c4f55960f4..b59e4c994878 100644
> --- a/drivers/acpi/scan.c
> +++ b/drivers/acpi/scan.c
> @@ -1744,8 +1744,11 @@ static bool acpi_device_enumeration_by_parent(struct acpi_device *device)
>          */
>                 {"BSG1160", },
>                 {"BSG2150", },
> +               {"CSC3551", },
>                 {"INT33FE", },
>                 {"INT3515", },
> +       /* Non-conforming _HID for Cirrus Logic already released */
> +               {"CLSA0100", },
>         /*
>          * HIDs of device with an UartSerialBusV2 resource for which userspace
>          * expects a regular tty cdev to be created (instead of the in kernel
> diff --git a/drivers/platform/x86/serial-multi-instantiate.c b/drivers/platform/x86/serial-multi-instantiate.c
> index 535c80789852..cef201065fdb 100644
> --- a/drivers/platform/x86/serial-multi-instantiate.c
> +++ b/drivers/platform/x86/serial-multi-instantiate.c
> @@ -305,6 +305,17 @@ static const struct smi_node int3515_data = {
>         .bus_type = SMI_I2C,
>  };
>
> +static const struct smi_node cs35l41_hda = {
> +       .instances = {
> +               { "cs35l41-hda", IRQ_RESOURCE_GPIO, 0 },
> +               { "cs35l41-hda", IRQ_RESOURCE_GPIO, 0 },
> +               { "cs35l41-hda", IRQ_RESOURCE_GPIO, 0 },
> +               { "cs35l41-hda", IRQ_RESOURCE_GPIO, 0 },
> +               {}
> +       },
> +       .bus_type = SMI_AUTO_DETECT,
> +};
> +
>  /*
>   * Note new device-ids must also be added to serial_multi_instantiate_ids in
>   * drivers/acpi/scan.c: acpi_device_enumeration_by_parent().
> @@ -313,6 +324,9 @@ static const struct acpi_device_id smi_acpi_ids[] = {
>         { "BSG1160", (unsigned long)&bsg1160_data },
>         { "BSG2150", (unsigned long)&bsg2150_data },
>         { "INT3515", (unsigned long)&int3515_data },
> +       { "CSC3551", (unsigned long)&cs35l41_hda },
> +       /* Non-conforming _HID for Cirrus Logic already released */
> +       { "CLSA0100", (unsigned long)&cs35l41_hda },
>         { }
>  };
>  MODULE_DEVICE_TABLE(acpi, smi_acpi_ids);
> --
> 2.25.1
>



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