ASoC: wm5102: Improve speaker enable performance

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 46 insertions, 2 deletions

diff --git a/sound/soc/codecs/wm5102.c b/sound/soc/codecs/wm5102.c
index 688ade080589..7a9048dad1cd 100644
--- a/sound/soc/codecs/wm5102.c
+++ b/sound/soc/codecs/wm5102.c
@@ -36,6 +36,9 @@
 struct wm5102_priv {
         struct arizona_priv core;
         struct arizona_fll fll[2];
+
+        unsigned int spk_ena:2;
+        unsigned int spk_ena_pending:1;
 };
 
 static DECLARE_TLV_DB_SCALE(ana_tlv, 0, 100, 0);
@@ -787,6 +790,47 @@ ARIZONA_MIXER_CONTROLS("AIF3TX1", ARIZONA_AIF3TX1MIX_INPUT_1_SOURCE),
 ARIZONA_MIXER_CONTROLS("AIF3TX2", ARIZONA_AIF3TX2MIX_INPUT_1_SOURCE),
 };
 
+static int wm5102_spk_ev(struct snd_soc_dapm_widget *w,
+                         struct snd_kcontrol *kcontrol,
+                         int event)
+{
+        struct snd_soc_codec *codec = w->codec;
+        struct arizona *arizona = dev_get_drvdata(codec->dev->parent);
+        struct wm5102_priv *wm5102 = snd_soc_codec_get_drvdata(codec);
+
+        if (arizona->rev < 1)
+                return 0;
+
+        switch (event) {
+        case SND_SOC_DAPM_PRE_PMU:
+                if (!wm5102->spk_ena) {
+                        snd_soc_write(codec, 0x4f5, 0x25a);
+                        wm5102->spk_ena_pending = true;
+                }
+                break;
+        case SND_SOC_DAPM_POST_PMU:
+                if (wm5102->spk_ena_pending) {
+                        msleep(75);
+                        snd_soc_write(codec, 0x4f5, 0xda);
+                        wm5102->spk_ena_pending = false;
+                        wm5102->spk_ena++;
+                }
+                break;
+        case SND_SOC_DAPM_PRE_PMD:
+                wm5102->spk_ena--;
+                if (!wm5102->spk_ena)
+                        snd_soc_write(codec, 0x4f5, 0x25a);
+                break;
+        case SND_SOC_DAPM_POST_PMD:
+                if (!wm5102->spk_ena)
+                        snd_soc_write(codec, 0x4f5, 0x0da);
+                break;
+        }
+
+        return 0;
+}
+
+
 ARIZONA_MIXER_ENUMS(EQ1, ARIZONA_EQ1MIX_INPUT_1_SOURCE);
 ARIZONA_MIXER_ENUMS(EQ2, ARIZONA_EQ2MIX_INPUT_1_SOURCE);
 ARIZONA_MIXER_ENUMS(EQ3, ARIZONA_EQ3MIX_INPUT_1_SOURCE);
@@ -1034,10 +1078,10 @@ SND_SOC_DAPM_PGA_E("OUT3L", ARIZONA_OUTPUT_ENABLES_1,
                    ARIZONA_OUT3L_ENA_SHIFT, 0, NULL, 0, arizona_out_ev,
                    SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
 SND_SOC_DAPM_PGA_E("OUT4L", ARIZONA_OUTPUT_ENABLES_1,
-                   ARIZONA_OUT4L_ENA_SHIFT, 0, NULL, 0, arizona_out_ev,
+                   ARIZONA_OUT4L_ENA_SHIFT, 0, NULL, 0, wm5102_spk_ev,
                    SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
 SND_SOC_DAPM_PGA_E("OUT4R", ARIZONA_OUTPUT_ENABLES_1,
-                   ARIZONA_OUT4R_ENA_SHIFT, 0, NULL, 0, arizona_out_ev,
+                   ARIZONA_OUT4R_ENA_SHIFT, 0, NULL, 0, wm5102_spk_ev,
                    SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
 SND_SOC_DAPM_PGA_E("OUT5L", ARIZONA_OUTPUT_ENABLES_1,
                    ARIZONA_OUT5L_ENA_SHIFT, 0, NULL, 0, arizona_out_ev,