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>

1 files changed, 3 insertions, 0 deletions

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;