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>

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 01fadf0..521a9d2 100644 (file)
--- 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;
        }