ASoC: clean up wm8974 and wm8978 clock divider handling

wm8974 and wm8978 codec drivers control DAC and ADC oversampling rates in their
.set_clkdiv() methods, which is wrong, because these are simple boolean
switches and not clock dividers. Move these bits to sound controls. Also remove
manual configuration of the MCLK divider in wm8978, since it is configured
automatically.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 4 insertions, 15 deletions

diff --git a/sound/soc/codecs/wm8978.c b/sound/soc/codecs/wm8978.c
index 8dcebaa8604a..ec2624b4c370 100644
--- a/sound/soc/codecs/wm8978.c
+++ b/sound/soc/codecs/wm8978.c
@@ -210,6 +210,10 @@ static const struct snd_kcontrol_new wm8978_snd_controls[] = {
         /* Speaker */
         SOC_DOUBLE_R("Speaker Switch",
                 WM8978_LOUT2_SPK_CONTROL, WM8978_ROUT2_SPK_CONTROL, 6, 1, 1),
+
+        /* DAC / ADC oversampling */
+        SOC_SINGLE("DAC 128x Oversampling Switch", WM8978_DAC_CONTROL, 8, 1, 0),
+        SOC_SINGLE("ADC 128x Oversampling Switch", WM8978_ADC_CONTROL, 8, 1, 0),
 };
 
 /* Mixer #1: Output (OUT1, OUT2) Mixer: mix AUX, Input mixer output and DAC */
@@ -513,21 +517,6 @@ static int wm8978_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
                 if (wm8978->f_mclk)
                         ret = wm8978_configure_pll(codec);
                 break;
-        case WM8978_MCLKDIV:
-                if (div & ~0xe0)
-                        return -EINVAL;
-                snd_soc_update_bits(codec, WM8978_CLOCKING, 0xe0, div);
-                break;
-        case WM8978_ADCCLK:
-                if (div & ~8)
-                        return -EINVAL;
-                snd_soc_update_bits(codec, WM8978_ADC_CONTROL, 8, div);
-                break;
-        case WM8978_DACCLK:
-                if (div & ~8)
-                        return -EINVAL;
-                snd_soc_update_bits(codec, WM8978_DAC_CONTROL, 8, div);
-                break;
         case WM8978_BCLKDIV:
                 if (div & ~0x1c)
                         return -EINVAL;