ASoC: rt-sdw-common: Enhance switch case to prevent uninitialized variable

If det_mode is not 0, 3 or 5 then function will return
jack_type with an uninitialzed value.
Enhance switch case to prevent uninitialized variable issue.

Signed-off-by: Jack Yu <jack.yu@realtek.com>
Link: https://patch.msgid.link/8631337239d744088d56caab2d8f39cb@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/rt-sdw-common.c b/sound/soc/codecs/rt-sdw-common.c
index a422da6..9f51fec 100644 (file)
--- a/sound/soc/codecs/rt-sdw-common.c
+++ b/sound/soc/codecs/rt-sdw-common.c
@@ -150,15 +150,15 @@ int rt_sdca_headset_detect(struct regmap *map, unsigned int entity_id)
                goto io_error;
 
        switch (det_mode) {
-       case 0x00:
-               jack_type = 0;
-               break;
        case 0x03:
                jack_type = SND_JACK_HEADPHONE;
                break;
        case 0x05:
                jack_type = SND_JACK_HEADSET;
                break;
+       default:
+               jack_type = 0;
+               break;
        }
 
        /* write selected_mode */