ASoC: Mark WM8958 DSP2 registers readable

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>

1 files changed, 12 insertions, 0 deletions

diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index 328f32831946..bdd1ac75178a 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -55,6 +55,9 @@ static int wm8994_retune_mobile_base[] = {
 
 static int wm8994_readable(struct snd_soc_codec *codec, unsigned int reg)
 {
+        struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+        struct wm8994 *control = wm8994->control_data;
+
         switch (reg) {
         case WM8994_GPIO_1:
         case WM8994_GPIO_2:
@@ -71,6 +74,15 @@ static int wm8994_readable(struct snd_soc_codec *codec, unsigned int reg)
         case WM8994_INTERRUPT_STATUS_2:
         case WM8994_INTERRUPT_RAW_STATUS_2:
                 return 1;
+
+        case WM8958_DSP2_PROGRAM:
+        case WM8958_DSP2_CONFIG:
+        case WM8958_DSP2_EXECCONTROL:
+                if (control->type == WM8958)
+                        return 1;
+                else
+                        return 0;
+
         default:
                 break;
         }