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-rw-r--r--include/sound/sdca.h1
-rw-r--r--sound/soc/sdca/sdca_device.c20
-rw-r--r--sound/soc/sdca/sdca_functions.c13
3 files changed, 29 insertions, 5 deletions
diff --git a/include/sound/sdca.h b/include/sound/sdca.h
index 5a5d6de78d72..9c6a351c9d47 100644
--- a/include/sound/sdca.h
+++ b/include/sound/sdca.h
@@ -46,6 +46,7 @@ struct sdca_device_data {
enum sdca_quirk {
SDCA_QUIRKS_RT712_VB,
+ SDCA_QUIRKS_SKIP_FUNC_TYPE_PATCHING,
};
#if IS_ENABLED(CONFIG_ACPI) && IS_ENABLED(CONFIG_SND_SOC_SDCA)
diff --git a/sound/soc/sdca/sdca_device.c b/sound/soc/sdca/sdca_device.c
index 0244cdcdd109..4798ce2c8f0b 100644
--- a/sound/soc/sdca/sdca_device.c
+++ b/sound/soc/sdca/sdca_device.c
@@ -7,6 +7,7 @@
*/
#include <linux/acpi.h>
+#include <linux/dmi.h>
#include <linux/module.h>
#include <linux/property.h>
#include <linux/soundwire/sdw.h>
@@ -55,11 +56,30 @@ static bool sdca_device_quirk_rt712_vb(struct sdw_slave *slave)
return false;
}
+static bool sdca_device_quirk_skip_func_type_patching(struct sdw_slave *slave)
+{
+ const char *vendor, *sku;
+
+ vendor = dmi_get_system_info(DMI_SYS_VENDOR);
+ sku = dmi_get_system_info(DMI_PRODUCT_SKU);
+
+ if (vendor && sku &&
+ !strcmp(vendor, "Dell Inc.") &&
+ (!strcmp(sku, "0C62") || !strcmp(sku, "0C63") || !strcmp(sku, "0C6B")) &&
+ slave->sdca_data.interface_revision == 0x061c &&
+ slave->id.mfg_id == 0x01fa && slave->id.part_id == 0x4243)
+ return true;
+
+ return false;
+}
+
bool sdca_device_quirk_match(struct sdw_slave *slave, enum sdca_quirk quirk)
{
switch (quirk) {
case SDCA_QUIRKS_RT712_VB:
return sdca_device_quirk_rt712_vb(slave);
+ case SDCA_QUIRKS_SKIP_FUNC_TYPE_PATCHING:
+ return sdca_device_quirk_skip_func_type_patching(slave);
default:
break;
}
diff --git a/sound/soc/sdca/sdca_functions.c b/sound/soc/sdca/sdca_functions.c
index 050f7338aca9..ea793869c038 100644
--- a/sound/soc/sdca/sdca_functions.c
+++ b/sound/soc/sdca/sdca_functions.c
@@ -89,6 +89,7 @@ static int find_sdca_function(struct acpi_device *adev, void *data)
{
struct fwnode_handle *function_node = acpi_fwnode_handle(adev);
struct sdca_device_data *sdca_data = data;
+ struct sdw_slave *slave = container_of(sdca_data, struct sdw_slave, sdca_data);
struct device *dev = &adev->dev;
struct fwnode_handle *control5; /* used to identify function type */
const char *function_name;
@@ -136,11 +137,13 @@ static int find_sdca_function(struct acpi_device *adev, void *data)
return ret;
}
- ret = patch_sdca_function_type(sdca_data->interface_revision, &function_type);
- if (ret < 0) {
- dev_err(dev, "SDCA version %#x invalid function type %d\n",
- sdca_data->interface_revision, function_type);
- return ret;
+ if (!sdca_device_quirk_match(slave, SDCA_QUIRKS_SKIP_FUNC_TYPE_PATCHING)) {
+ ret = patch_sdca_function_type(sdca_data->interface_revision, &function_type);
+ if (ret < 0) {
+ dev_err(dev, "SDCA version %#x invalid function type %d\n",
+ sdca_data->interface_revision, function_type);
+ return ret;
+ }
}
function_name = get_sdca_function_name(function_type);