From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Sun, 2 Dec 2012 02:41:47 +0000 (+0900)
Subject: mfd: wm5102: Add tuning for revision B
X-Git-Tag: firefly_0821_release~3680^2~1426^2~7
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3748f193552ba21a8239c56eb616d946c47607e7;p=firefly-linux-kernel-4.4.55.git

mfd: wm5102: Add tuning for revision B

Evaluation of revision B of WM5102 suggests updates to the register patch
for optimal performance, and make this the default behaviour for new
devices.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---

diff --git a/drivers/mfd/wm5102-tables.c b/drivers/mfd/wm5102-tables.c
index ccbdd58cf9be..005de63d01d6 100644
--- a/drivers/mfd/wm5102-tables.c
+++ b/drivers/mfd/wm5102-tables.c
@@ -573,6 +573,18 @@ static const struct reg_default wm5102_reva_patch[] = {
 	{ 0x80, 0x0000 },
 };
 
+static const struct reg_default wm5102_revb_patch[] = {
+	{ 0x80, 0x0003 },
+	{ 0x081, 0xE022 },
+	{ 0x410, 0x6080 },
+	{ 0x418, 0x6080 },
+	{ 0x420, 0x6080 },
+	{ 0x428, 0xC000 },
+	{ 0x441, 0x8014 },
+	{ 0x458, 0x000b },
+	{ 0x80, 0x0000 },
+};
+
 /* We use a function so we can use ARRAY_SIZE() */
 int wm5102_patch(struct arizona *arizona)
 {
@@ -582,7 +594,9 @@ int wm5102_patch(struct arizona *arizona)
 					     wm5102_reva_patch,
 					     ARRAY_SIZE(wm5102_reva_patch));
 	default:
-		return 0;
+		return regmap_register_patch(arizona->regmap,
+					     wm5102_revb_patch,
+					     ARRAY_SIZE(wm5102_revb_patch));
 	}
 }