soundwire: Add SoundWire bus type

This adds the base SoundWire bus type, bus and driver registration.
along with changes to module device table for new SoundWire
device type.

Signed-off-by: Sanyog Kale <sanyog.r.kale@intel.com>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Acked-By: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 15 insertions, 0 deletions

diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index 6ef6e63f96fd..b9beeaa4695b 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -1289,6 +1289,21 @@ static int do_hda_entry(const char *filename, void *symval, char *alias)
 }
 ADD_TO_DEVTABLE("hdaudio", hda_device_id, do_hda_entry);
 
+/* Looks like: sdw:mNpN */
+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);
+
+        strcpy(alias, "sdw:");
+        ADD(alias, "m", mfg_id != 0, mfg_id);
+        ADD(alias, "p", part_id != 0, part_id);
+
+        add_wildcard(alias);
+        return 1;
+}
+ADD_TO_DEVTABLE("sdw", sdw_device_id, do_sdw_entry);
+
 /* Looks like: fsl-mc:vNdN */
 static int do_fsl_mc_entry(const char *filename, void *symval,
                            char *alias)