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); >