From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Tue, 28 Feb 2012 10:48:49 +0000 (+0000)
Subject: mfd: Improve performance of later WM1811 revisions
X-Git-Tag: v4.14-rc1~12519^2~3^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a0cc0209abb9fe2b9ab71aa41be70eddd0cbdd61;p=platform%2Fkernel%2Flinux-rpi.git

mfd: Improve performance of later WM1811 revisions

Apply tunings from earlier silicon revisions to revisions up to D and also
tweak an additional setting for improved DC servo performance.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---

diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c
index 4b36f021413f..4b8b78c39767 100644
--- a/drivers/mfd/wm8994-core.c
+++ b/drivers/mfd/wm8994-core.c
@@ -361,6 +361,7 @@ static const __devinitdata struct reg_default wm8958_reva_patch[] = {
 
 static const __devinitdata struct reg_default wm1811_reva_patch[] = {
 	{ 0x102, 0x3 },
+	{ 0x56, 0x7 },
 	{ 0x5d, 0x7e },
 	{ 0x5e, 0x0 },
 	{ 0x102, 0x0 },
@@ -524,6 +525,8 @@ static __devinit int wm8994_device_init(struct wm8994 *wm8994, int irq)
 		switch (wm8994->revision) {
 		case 0:
 		case 1:
+		case 2:
+		case 3:
 			regmap_patch = wm1811_reva_patch;
 			patch_regs = ARRAY_SIZE(wm1811_reva_patch);
 			break;