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mfd: wm5110: Add register patch for rev D chip
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Evaluation of revision D of WM5110 suggests updates to the register
patch for optimal performance. For the sake of clarity rev C of the chip
does not require a register patch.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Charles Keepax authored and Lee Jones committed Jan 21, 2014
1 parent 76a0775 commit 0291566
Showing 1 changed file with 29 additions and 1 deletion.
30 changes: 29 additions & 1 deletion drivers/mfd/wm5110-tables.c
Original file line number Diff line number Diff line change
Expand Up @@ -224,6 +224,31 @@ static const struct reg_default wm5110_revb_patch[] = {
{ 0x80, 0x0 },
};

static const struct reg_default wm5110_revd_patch[] = {
{ 0x80, 0x3 },
{ 0x80, 0x3 },
{ 0x393, 0x27 },
{ 0x394, 0x27 },
{ 0x395, 0x27 },
{ 0x396, 0x27 },
{ 0x397, 0x27 },
{ 0x398, 0x26 },
{ 0x221, 0x90 },
{ 0x211, 0x8 },
{ 0x36c, 0x1fb },
{ 0x26e, 0x64 },
{ 0x26f, 0xea },
{ 0x270, 0x1f16 },
{ 0x51b, 0x1 },
{ 0x55b, 0x1 },
{ 0x59b, 0x1 },
{ 0x4f0, 0x633 },
{ 0x441, 0xc059 },
{ 0x209, 0x27 },
{ 0x80, 0x0 },
{ 0x80, 0x0 },
};

/* We use a function so we can use ARRAY_SIZE() */
int wm5110_patch(struct arizona *arizona)
{
Expand All @@ -236,7 +261,10 @@ int wm5110_patch(struct arizona *arizona)
return regmap_register_patch(arizona->regmap,
wm5110_revb_patch,
ARRAY_SIZE(wm5110_revb_patch));

case 3:
return regmap_register_patch(arizona->regmap,
wm5110_revd_patch,
ARRAY_SIZE(wm5110_revd_patch));
default:
return 0;
}
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