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-rw-r--r--drivers/soundwire/bus_type.c13
-rw-r--r--include/linux/mod_devicetable.h2
-rw-r--r--include/linux/soundwire/sdw.h11
-rw-r--r--scripts/mod/devicetable-offsets.c2
-rw-r--r--scripts/mod/file2alias.c6
5 files changed, 25 insertions, 9 deletions
diff --git a/drivers/soundwire/bus_type.c b/drivers/soundwire/bus_type.c
index c8d948c09d9d..6fba55898cf0 100644
--- a/drivers/soundwire/bus_type.c
+++ b/drivers/soundwire/bus_type.c
@@ -24,7 +24,11 @@ sdw_get_device_id(struct sdw_slave *slave, struct sdw_driver *drv)
for (id = drv->id_table; id && id->mfg_id; id++)
if (slave->id.mfg_id == id->mfg_id &&
- slave->id.part_id == id->part_id)
+ slave->id.part_id == id->part_id &&
+ (!id->sdw_version ||
+ slave->id.sdw_version == id->sdw_version) &&
+ (!id->class_id ||
+ slave->id.class_id == id->class_id))
return id;
return NULL;
@@ -47,10 +51,11 @@ static int sdw_bus_match(struct device *dev, struct device_driver *ddrv)
int sdw_slave_modalias(const struct sdw_slave *slave, char *buf, size_t size)
{
- /* modalias is sdw:m<mfg_id>p<part_id> */
+ /* modalias is sdw:m<mfg_id>p<part_id>v<version>c<class_id> */
- return snprintf(buf, size, "sdw:m%04Xp%04X\n",
- slave->id.mfg_id, slave->id.part_id);
+ return snprintf(buf, size, "sdw:m%04Xp%04Xv%02Xc%02X\n",
+ slave->id.mfg_id, slave->id.part_id,
+ slave->id.sdw_version, slave->id.class_id);
}
int sdw_slave_uevent(struct device *dev, struct kobj_uevent_env *env)
diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
index 8d764aab29de..f8585e3a2c43 100644
--- a/include/linux/mod_devicetable.h
+++ b/include/linux/mod_devicetable.h
@@ -251,6 +251,8 @@ struct hda_device_id {
struct sdw_device_id {
__u16 mfg_id;
__u16 part_id;
+ __u8 sdw_version;
+ __u8 class_id;
kernel_ulong_t driver_data;
};
diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h
index 9c27a32df9bb..64c9314cb903 100644
--- a/include/linux/soundwire/sdw.h
+++ b/include/linux/soundwire/sdw.h
@@ -426,8 +426,7 @@ int sdw_slave_read_prop(struct sdw_slave *slave);
* struct sdw_slave_id - Slave ID
* @mfg_id: MIPI Manufacturer ID
* @part_id: Device Part ID
- * @class_id: MIPI Class ID, unused now.
- * Currently a placeholder in MIPI SoundWire Spec
+ * @class_id: MIPI Class ID (defined starting with SoundWire 1.2 spec)
* @unique_id: Device unique ID
* @sdw_version: SDW version implemented
*
@@ -659,10 +658,14 @@ struct sdw_driver {
struct device_driver driver;
};
-#define SDW_SLAVE_ENTRY(_mfg_id, _part_id, _drv_data) \
- { .mfg_id = (_mfg_id), .part_id = (_part_id), \
+#define SDW_SLAVE_ENTRY_EXT(_mfg_id, _part_id, _version, _c_id, _drv_data) \
+ { .mfg_id = (_mfg_id), .part_id = (_part_id), \
+ .sdw_version = (_version), .class_id = (_c_id), \
.driver_data = (unsigned long)(_drv_data) }
+#define SDW_SLAVE_ENTRY(_mfg_id, _part_id, _drv_data) \
+ SDW_SLAVE_ENTRY_EXT((_mfg_id), (_part_id), 0, 0, (_drv_data))
+
int sdw_handle_slave_status(struct sdw_bus *bus,
enum sdw_slave_status status[]);
diff --git a/scripts/mod/devicetable-offsets.c b/scripts/mod/devicetable-offsets.c
index 010be8ba2116..27007c18e754 100644
--- a/scripts/mod/devicetable-offsets.c
+++ b/scripts/mod/devicetable-offsets.c
@@ -216,6 +216,8 @@ int main(void)
DEVID(sdw_device_id);
DEVID_FIELD(sdw_device_id, mfg_id);
DEVID_FIELD(sdw_device_id, part_id);
+ DEVID_FIELD(sdw_device_id, sdw_version);
+ DEVID_FIELD(sdw_device_id, class_id);
DEVID(fsl_mc_device_id);
DEVID_FIELD(fsl_mc_device_id, vendor);
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index 9599e2a3f1e6..2417dd1dee33 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -1258,15 +1258,19 @@ static int do_hda_entry(const char *filename, void *symval, char *alias)
return 1;
}
-/* Looks like: sdw:mNpN */
+/* Looks like: sdw:mNpNvNcN */
static int do_sdw_entry(const char *filename, void *symval, char *alias)
{
DEF_FIELD(symval, sdw_device_id, mfg_id);
DEF_FIELD(symval, sdw_device_id, part_id);
+ DEF_FIELD(symval, sdw_device_id, sdw_version);
+ DEF_FIELD(symval, sdw_device_id, class_id);
strcpy(alias, "sdw:");
ADD(alias, "m", mfg_id != 0, mfg_id);
ADD(alias, "p", part_id != 0, part_id);
+ ADD(alias, "v", sdw_version != 0, sdw_version);
+ ADD(alias, "c", class_id != 0, class_id);
add_wildcard(alias);
return 1;