ASoC: Remove incorrect WM8903 erratum workaround

Due to a typographical error in the erratum workaround it was never
functional so just remove it.

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

2 files changed, 6 insertions, 33 deletions

diff --git a/sound/soc/codecs/wm8903.c b/sound/soc/codecs/wm8903.c
index 02de5ae42d63..b9843f72c455 100644
--- a/sound/soc/codecs/wm8903.c
+++ b/sound/soc/codecs/wm8903.c
@@ -1014,7 +1014,7 @@ static int wm8903_add_widgets(struct snd_soc_codec *codec)
 static int wm8903_set_bias_level(struct snd_soc_codec *codec,
                                  enum snd_soc_bias_level level)
 {
-        u16 reg, reg2;
+        u16 reg;
 
         switch (level) {
         case SND_SOC_BIAS_ON:
@@ -1038,23 +1038,15 @@ static int wm8903_set_bias_level(struct snd_soc_codec *codec,
                         wm8903_run_sequence(codec, 0);
                         wm8903_sync_reg_cache(codec, codec->reg_cache);
 
-                        /* Enable low impedence charge pump output */
-                        reg = snd_soc_read(codec,
-                                          WM8903_CONTROL_INTERFACE_TEST_1);
-                        snd_soc_write(codec, WM8903_CONTROL_INTERFACE_TEST_1,
-                                     reg | WM8903_TEST_KEY);
-                        reg2 = snd_soc_read(codec, WM8903_CHARGE_PUMP_TEST_1);
-                        snd_soc_write(codec, WM8903_CHARGE_PUMP_TEST_1,
-                                     reg2 | WM8903_CP_SW_KELVIN_MODE_MASK);
-                        snd_soc_write(codec, WM8903_CONTROL_INTERFACE_TEST_1,
-                                     reg);
-
                         /* By default no bypass paths are enabled so
                          * enable Class W support.
                          */
                         dev_dbg(codec->dev, "Enabling Class W\n");
-                        snd_soc_write(codec, WM8903_CLASS_W_0, reg |
-                                     WM8903_CP_DYN_FREQ | WM8903_CP_DYN_V);
+                        snd_soc_update_bits(codec, WM8903_CLASS_W_0,
+                                            WM8903_CP_DYN_FREQ |
+                                            WM8903_CP_DYN_V,
+                                            WM8903_CP_DYN_FREQ |
+                                            WM8903_CP_DYN_V);
                 }
 
                 reg = snd_soc_read(codec, WM8903_VMID_CONTROL_0);
diff --git a/sound/soc/codecs/wm8903.h b/sound/soc/codecs/wm8903.h
index e47b8c8be921..5f23d3ca45f8 100644
--- a/sound/soc/codecs/wm8903.h
+++ b/sound/soc/codecs/wm8903.h
@@ -94,8 +94,6 @@ extern int wm8903_mic_detect(struct snd_soc_codec *codec,
 #define WM8903_INTERRUPT_STATUS_1_MASK          0x7A
 #define WM8903_INTERRUPT_POLARITY_1             0x7B
 #define WM8903_INTERRUPT_CONTROL                0x7E
-#define WM8903_CONTROL_INTERFACE_TEST_1         0x81
-#define WM8903_CHARGE_PUMP_TEST_1               0x95
 #define WM8903_CLOCK_RATE_TEST_4                0xA4
 #define WM8903_ANALOGUE_OUTPUT_BIAS_0           0xAC
 
@@ -1202,23 +1200,6 @@ extern int wm8903_mic_detect(struct snd_soc_codec *codec,
 #define WM8903_IRQ_POL_WIDTH                         1  /* IRQ_POL */
 
 /*
- * R129 (0x81) - Control Interface Test 1
- */
-#define WM8903_USER_KEY                         0x0002  /* USER_KEY */
-#define WM8903_USER_KEY_MASK                    0x0002  /* USER_KEY */
-#define WM8903_USER_KEY_SHIFT                        1  /* USER_KEY */
-#define WM8903_USER_KEY_WIDTH                        1  /* USER_KEY */
-#define WM8903_TEST_KEY                         0x0001  /* TEST_KEY */
-#define WM8903_TEST_KEY_MASK                    0x0001  /* TEST_KEY */
-#define WM8903_TEST_KEY_SHIFT                        0  /* TEST_KEY */
-#define WM8903_TEST_KEY_WIDTH                        1  /* TEST_KEY */
-
-/*
- * R149 (0x95) - Charge Pump Test 1
- */
-#define WM8903_CP_SW_KELVIN_MODE_MASK           0x0006  /* CP_SW_KELVIN_MODE - [2:1] */
-#define WM8903_CP_SW_KELVIN_MODE_SHIFT               1  /* CP_SW_KELVIN_MODE - [2:1] */
-#define WM8903_CP_SW_KELVIN_MODE_WIDTH               2  /* CP_SW_KELVIN_MODE - [2:1] */
 
 /*
  * R164 (0xA4) - Clock Rate Test 4