ALSA: hda/realtek - Remove depop delay for suspend and resume if applicable

This patch defines a flag "no_depop_delay" in alc_spec. If this flag is set,
delay in alc_eapd_shutup and alc_resume will be skipped.

Machine-specific fixup can set this flag to reduce suspend/resume time, if
the codec and hardware analog design can avoid pop noise without this delay.

Signed-off-by: Kailang Yang <kailang@realtek.com>
Signed-off-by: Mengdong Lin <mengdong.lin@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 11 insertions, 4 deletions

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 01fadf0e0b3c..521a9d281a5f 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -118,7 +118,8 @@ struct alc_spec {
 
         int init_amp;
         int codec_variant;      /* flag for other variants */
-        bool has_alc5505_dsp;
+        unsigned int has_alc5505_dsp:1;
+        unsigned int no_depop_delay:1;
 
         /* for PLL fix */
         hda_nid_t pll_nid;
@@ -280,8 +281,11 @@ static void alc_auto_setup_eapd(struct hda_codec *codec, bool on)
  */
 static void alc_eapd_shutup(struct hda_codec *codec)
 {
+        struct alc_spec *spec = codec->spec;
+
         alc_auto_setup_eapd(codec, false);
-        msleep(200);
+        if (!spec->no_depop_delay)
+                msleep(200);
         snd_hda_shutup_pins(codec);
 }
 
@@ -863,7 +867,10 @@ static int alc_suspend(struct hda_codec *codec)
 #ifdef CONFIG_PM
 static int alc_resume(struct hda_codec *codec)
 {
-        msleep(150); /* to avoid pop noise */
+        struct alc_spec *spec = codec->spec;
+
+        if (!spec->no_depop_delay)
+                msleep(150); /* to avoid pop noise */
         codec->patch_ops.init(codec);
         snd_hda_codec_resume_amp(codec);
         snd_hda_codec_resume_cache(codec);
@@ -4457,7 +4464,7 @@ static int patch_alc269(struct hda_codec *codec)
         }
 
         if (snd_hda_codec_read(codec, 0x51, 0, AC_VERB_PARAMETERS, 0) == 0x10ec5505) {
-                spec->has_alc5505_dsp = true;
+                spec->has_alc5505_dsp = 1;
                 spec->init_hook = alc5505_dsp_init;
         }