Merge remote-tracking branches 'asoc/topic/ad1836', 'asoc/topic/ad193x', 'asoc/topic...

[sfrench/cifs-2.6.git] / sound / soc / codecs / wm8962.c

diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
index 543c5c2631b61827bcebca8af1926ea02b5655e9..97db3b45b4113ad5fe7f7d42dd0e4e018b8c8c51 100644 (file)
--- a/sound/soc/codecs/wm8962.c
+++ b/sound/soc/codecs/wm8962.c
@@ -74,7 +74,7 @@ struct wm8962_priv {
        struct regulator_bulk_data supplies[WM8962_NUM_SUPPLIES];
        struct notifier_block disable_nb[WM8962_NUM_SUPPLIES];
 
-#if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE)
+#if IS_ENABLED(CONFIG_INPUT)
        struct input_dev *beep;
        struct work_struct beep_work;
        int beep_rate;
@@ -2439,7 +2439,20 @@ static void wm8962_configure_bclk(struct snd_soc_codec *codec)
        snd_soc_update_bits(codec, WM8962_CLOCKING_4,
                            WM8962_SYSCLK_RATE_MASK, clocking4);
 
+       /* DSPCLK_DIV can be only generated correctly after enabling SYSCLK.
+        * So we here provisionally enable it and then disable it afterward
+        * if current bias_level hasn't reached SND_SOC_BIAS_ON.
+        */
+       if (codec->dapm.bias_level != SND_SOC_BIAS_ON)
+               snd_soc_update_bits(codec, WM8962_CLOCKING2,
+                               WM8962_SYSCLK_ENA_MASK, WM8962_SYSCLK_ENA);
+
        dspclk = snd_soc_read(codec, WM8962_CLOCKING1);
+
+       if (codec->dapm.bias_level != SND_SOC_BIAS_ON)
+               snd_soc_update_bits(codec, WM8962_CLOCKING2,
+                               WM8962_SYSCLK_ENA_MASK, 0);
+
        if (dspclk < 0) {
                dev_err(codec->dev, "Failed to read DSPCLK: %d\n", dspclk);
                return;
@@ -3108,7 +3121,7 @@ int wm8962_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack)
 }
 EXPORT_SYMBOL_GPL(wm8962_mic_detect);
 
-#if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE)
+#if IS_ENABLED(CONFIG_INPUT)
 static int beep_rates[] = {
        500, 1000, 2000, 4000,
 };