linux-kernel - [RFC PATCH v2 3/3] ACPI / scan: Create platform device for INT3515 ACPI nodes

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Message-ID: <20211020085944.17577-4-tanureal@opensource.cirrus.com>
Date:   Wed, 20 Oct 2021 09:59:44 +0100
From:   Lucas Tanure <tanureal@...nsource.cirrus.com>
To:     Mark Brown <broonie@...nel.org>, Takashi Iwai <tiwai@...e.com>,
        "Jaroslav Kysela" <perex@...ex.cz>, Len Brown <lenb@...nel.org>,
        David Rhodes <david.rhodes@...rus.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        "Rafael J . Wysocki" <rafael@...nel.org>
CC:     <alsa-devel@...a-project.org>, <linux-acpi@...r.kernel.org>,
        <patches@...nsource.cirrus.com>, <linux-kernel@...r.kernel.org>,
        Lucas Tanure <tanureal@...nsource.cirrus.com>
Subject: [RFC PATCH v2 3/3] ACPI / scan: Create platform device for INT3515 ACPI nodes

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@...nsource.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 5b54c80b9d32..c1c27a408420 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1703,6 +1703,7 @@ 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 a50153ecd560..b61f7e30d42a 100644
--- a/drivers/platform/x86/i2c-multi-instantiate.c
+++ b/drivers/platform/x86/i2c-multi-instantiate.c
@@ -139,6 +139,12 @@ static const struct i2c_inst_data bsg2150_data[]  = {
 	{}
 };
 
+static const struct i2c_inst_data clsa0100_data[]  = {
+	{ "cs35l41", IRQ_RESOURCE_GPIO, 0 },
+	{ "cs35l41", IRQ_RESOURCE_GPIO, 0 },
+	{}
+};
+
 /*
  * Device with _HID INT3515 (TI PD controllers) has some unresolved interrupt
  * issues. The most common problem seen is interrupt flood.
@@ -170,6 +176,7 @@ static const struct i2c_inst_data bsg2150_data[]  = {
 static const struct acpi_device_id i2c_multi_inst_acpi_ids[] = {
 	{ "BSG1160", (unsigned long)bsg1160_data },
 	{ "BSG2150", (unsigned long)bsg2150_data },
+	{ "CLSA0100", (unsigned long)clsa0100_data },
 	{ }
 };
 MODULE_DEVICE_TABLE(acpi, i2c_multi_inst_acpi_ids);
-- 
2.33.1