ASoC: Intel: Add suspend_pre and resume_post for Broadwell snd_soc_card

For broadwell machine, we need do some machine related setting before
suspend and after resume, e.g. disable/enable jack detection, here
adding snd_soc_card suspend_pre and resume_post for this task.

Signed-off-by: Jie Yang <yang.jie@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 28 insertions, 0 deletions

diff --git a/sound/soc/intel/broadwell.c b/sound/soc/intel/broadwell.c
index fba2ef5dac42..af5d73070f60 100644
--- a/sound/soc/intel/broadwell.c
+++ b/sound/soc/intel/broadwell.c
@@ -225,6 +225,32 @@ static struct snd_soc_dai_link broadwell_rt286_dais[] = {
         },
 };
 
+static int broadwell_suspend(struct snd_soc_card *card){
+        struct snd_soc_codec *codec;
+
+        list_for_each_entry(codec, &card->codec_dev_list, card_list) {
+                if (!strcmp(codec->component.name, "i2c-INT343A:00")) {
+                        dev_dbg(codec->dev, "disabling jack detect before going to suspend.\n");
+                        rt286_mic_detect(codec, NULL);
+                        break;
+                }
+        }
+        return 0;
+}
+
+static int broadwell_resume(struct snd_soc_card *card){
+        struct snd_soc_codec *codec;
+
+        list_for_each_entry(codec, &card->codec_dev_list, card_list) {
+                if (!strcmp(codec->component.name, "i2c-INT343A:00")) {
+                        dev_dbg(codec->dev, "enabling jack detect for resume.\n");
+                        rt286_mic_detect(codec, &broadwell_headset);
+                        break;
+                }
+        }
+        return 0;
+}
+
 /* broadwell audio machine driver for WPT + RT286S */
 static struct snd_soc_card broadwell_rt286 = {
         .name = "broadwell-rt286",
@@ -238,6 +264,8 @@ static struct snd_soc_card broadwell_rt286 = {
         .dapm_routes = broadwell_rt286_map,
         .num_dapm_routes = ARRAY_SIZE(broadwell_rt286_map),
         .fully_routed = true,
+        .suspend_pre = broadwell_suspend,
+        .resume_post = broadwell_resume,
 };
 
 static int broadwell_audio_probe(struct platform_device *pdev)