ASoC: adsp: Use async writes where possible

This will allow a marginal speed improvement when used with a bus that
supports async I/O by reducing the amount of context thrashing between
writes, allowing the bus to be more fully utilised.

Signed-off-by: Mark Brown <broonie@linaro.org>

diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index 46ec0e9744d4b88b50cc922cfdc65a0b4247e567..6b1c01c66e6436769c55a6949c7230f22264baa3 100644 (file)
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -1468,8 +1468,8 @@ static int wm_adsp2_ena(struct wm_adsp *dsp)
        unsigned int val;
        int ret, count;
 
-       ret = regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
-                                ADSP2_SYS_ENA, ADSP2_SYS_ENA);
+       ret = regmap_update_bits_async(dsp->regmap, dsp->base + ADSP2_CONTROL,
+                                      ADSP2_SYS_ENA, ADSP2_SYS_ENA);
        if (ret != 0)
                return ret;
 
@@ -1521,9 +1521,9 @@ int wm_adsp2_event(struct snd_soc_dapm_widget *w,
                val = (val & ARIZONA_SYSCLK_FREQ_MASK)
                        >> ARIZONA_SYSCLK_FREQ_SHIFT;
 
-               ret = regmap_update_bits(dsp->regmap,
-                                        dsp->base + ADSP2_CLOCKING,
-                                        ADSP2_CLK_SEL_MASK, val);
+               ret = regmap_update_bits_async(dsp->regmap,
+                                              dsp->base + ADSP2_CLOCKING,
+                                              ADSP2_CLK_SEL_MASK, val);
                if (ret != 0) {
                        adsp_err(dsp, "Failed to set clock rate: %d\n",
                                 ret);
@@ -1586,10 +1586,10 @@ int wm_adsp2_event(struct snd_soc_dapm_widget *w,
                if (ret != 0)
                        goto err;
 
-               ret = regmap_update_bits(dsp->regmap,
-                                        dsp->base + ADSP2_CONTROL,
-                                        ADSP2_CORE_ENA | ADSP2_START,
-                                        ADSP2_CORE_ENA | ADSP2_START);
+               ret = regmap_update_bits_async(dsp->regmap,
+                                              dsp->base + ADSP2_CONTROL,
+                                              ADSP2_CORE_ENA | ADSP2_START,
+                                              ADSP2_CORE_ENA | ADSP2_START);
                if (ret != 0)
                        goto err;