---

yaml --- r: 230327 b: refs/heads/master c: 8bc3c2c h: refs/heads/master i: 230325: 3ada12a 230323: 3e07b63 230319: dbbc05f v: v3
git-mirror · Dec 2, 2010 · c0a00bd · c0a00bd
1 parent 45f7a2a
commit c0a00bd
Show file tree

Hide file tree

Showing 3 changed files with 37 additions and 10 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: dd31b310b9104327fb6bf7d2fe3b0f0f6fde4dd7
+refs/heads/master: 8bc3c2c207dc82d47ffc6ef7b788e04ea637d3f1
diff --git a/trunk/include/linux/mfd/wm8994/registers.h b/trunk/include/linux/mfd/wm8994/registers.h
@@ -64,6 +64,7 @@
 #define WM8994_LDO_1                            0x3B
 #define WM8994_LDO_2                            0x3C
 #define WM8994_CHARGE_PUMP_1                    0x4C
+#define WM8958_CHARGE_PUMP_2                    0x4D
 #define WM8994_CLASS_W_1                        0x51
 #define WM8994_DC_SERVO_1                       0x54
 #define WM8994_DC_SERVO_2                       0x55
@@ -1925,6 +1926,14 @@
 #define WM8994_CP_ENA_SHIFT                         15  /* CP_ENA */
 #define WM8994_CP_ENA_WIDTH                          1  /* CP_ENA */
 
+/*
+ * R77 (0x4D) - Charge Pump (2)
+ */
+#define WM8958_CP_DISCH                         0x8000  /* CP_DISCH */
+#define WM8958_CP_DISCH_MASK                    0x8000  /* CP_DISCH */
+#define WM8958_CP_DISCH_SHIFT                       15  /* CP_DISCH */
+#define WM8958_CP_DISCH_WIDTH                        1  /* CP_DISCH */
+
 /*
  * R81 (0x51) - Class W (1)
  */

diff --git a/trunk/sound/soc/codecs/wm8994.c b/trunk/sound/soc/codecs/wm8994.c
@@ -1858,15 +1858,33 @@ static int wm8994_set_bias_level(struct snd_soc_codec *codec,
 		if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
 			pm_runtime_get_sync(codec->dev);
 
-			/* Tweak DC servo and DSP configuration for
-			 * improved performance. */
-			if (control->type == WM8994 && wm8994->revision < 4) {
-				/* Tweak DC servo and DSP configuration for
-				 * improved performance. */
-				snd_soc_write(codec, 0x102, 0x3);
-				snd_soc_write(codec, 0x56, 0x3);
-				snd_soc_write(codec, 0x817, 0);
-				snd_soc_write(codec, 0x102, 0);
+			switch (control->type) {
+			case WM8994:
+				if (wm8994->revision < 4) {
+					/* Tweak DC servo and DSP
+					 * configuration for improved
+					 * performance. */
+					snd_soc_write(codec, 0x102, 0x3);
+					snd_soc_write(codec, 0x56, 0x3);
+					snd_soc_write(codec, 0x817, 0);
+					snd_soc_write(codec, 0x102, 0);
+				}
+				break;
+
+			case WM8958:
+				if (wm8994->revision == 0) {
+					/* Optimise performance for rev A */
+					snd_soc_write(codec, 0x102, 0x3);
+					snd_soc_write(codec, 0xcb, 0x81);
+					snd_soc_write(codec, 0x817, 0);
+					snd_soc_write(codec, 0x102, 0);
+
+					snd_soc_update_bits(codec,
+							    WM8958_CHARGE_PUMP_2,
+							    WM8958_CP_DISCH,
+							    WM8958_CP_DISCH);
+				}
+				break;
 			}
 
 			/* Discharge LINEOUT1 & 2 */