ASoC: rt298: disable IRQ when jack is NULL

Disable IRQ when jack is NULL in rt298_mic_detect. So machine driver
can use it in suspend/resume.

Signed-off-by: Bard Liao <bardliao@realtek.com>
Reviewed-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 22 insertions, 2 deletions

diff --git a/sound/soc/codecs/rt298.c b/sound/soc/codecs/rt298.c
index 55558643166f..6c4ac5b04665 100644
--- a/sound/soc/codecs/rt298.c
+++ b/sound/soc/codecs/rt298.c
@@ -321,11 +321,31 @@ static void rt298_jack_detect_work(struct work_struct *work)
 int rt298_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack)
 {
         struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
+        struct snd_soc_dapm_context *dapm;
+        bool hp = false;
+        bool mic = false;
+        int status = 0;
+
+        /* If jack in NULL, disable HS jack */
+        if (!jack) {
+                regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x2, 0x0);
+                dapm = snd_soc_codec_get_dapm(codec);
+                snd_soc_dapm_disable_pin(dapm, "LDO1");
+                snd_soc_dapm_sync(dapm);
+                return 0;
+        }
 
         rt298->jack = jack;
+        regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x2, 0x2);
 
-        /* Send an initial empty report */
-        snd_soc_jack_report(rt298->jack, 0,
+        rt298_jack_detect(rt298, &hp, &mic);
+        if (hp == true)
+                status |= SND_JACK_HEADPHONE;
+
+        if (mic == true)
+                status |= SND_JACK_MICROPHONE;
+
+        snd_soc_jack_report(rt298->jack, status,
                 SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
 
         return 0;