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Subject[PATCH 6/8] extcon: arizona: Add support for WM8998 and WM1814
Date
Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
---
drivers/extcon/extcon-arizona.c | 33 ++++++++++++++++++++++-----------
1 files changed, 22 insertions(+), 11 deletions(-)

diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
index a0ed35b..0e60787 100644
--- a/drivers/extcon/extcon-arizona.c
+++ b/drivers/extcon/extcon-arizona.c
@@ -1,7 +1,7 @@
/*
* extcon-arizona.c - Extcon driver Wolfson Arizona devices
*
- * Copyright (C) 2012 Wolfson Microelectronics plc
+ * Copyright (C) 2012-2014 Wolfson Microelectronics plc
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -140,10 +140,14 @@ static void arizona_extcon_hp_clamp(struct arizona_extcon_info *info,
bool clamp)
{
struct arizona *arizona = info->arizona;
- unsigned int mask = 0, val = 0;
+ unsigned int mask, val = 0;
int ret;

switch (arizona->type) {
+ case WM8998:
+ case WM1814:
+ mask = 0;
+ break;
case WM5110:
mask = ARIZONA_HP1L_SHRTO | ARIZONA_HP1L_FLWR |
ARIZONA_HP1L_SHRTI;
@@ -175,17 +179,19 @@ static void arizona_extcon_hp_clamp(struct arizona_extcon_info *info,
ret);
}

- ret = regmap_update_bits(arizona->regmap, ARIZONA_HP_CTRL_1L,
- mask, val);
- if (ret != 0)
- dev_warn(arizona->dev, "Failed to do clamp: %d\n",
+ if (mask) {
+ ret = regmap_update_bits(arizona->regmap, ARIZONA_HP_CTRL_1L,
+ mask, val);
+ if (ret != 0)
+ dev_warn(arizona->dev, "Failed to do clamp: %d\n",
ret);

- ret = regmap_update_bits(arizona->regmap, ARIZONA_HP_CTRL_1R,
- mask, val);
- if (ret != 0)
- dev_warn(arizona->dev, "Failed to do clamp: %d\n",
- ret);
+ ret = regmap_update_bits(arizona->regmap, ARIZONA_HP_CTRL_1R,
+ mask, val);
+ if (ret != 0)
+ dev_warn(arizona->dev, "Failed to do clamp: %d\n",
+ ret);
+ }

/* Restore the desired state while not doing the clamp */
if (!clamp) {
@@ -1176,6 +1182,11 @@ static int arizona_extcon_probe(struct platform_device *pdev)
break;
}
break;
+ case WM8998:
+ case WM1814:
+ info->micd_clamp = true;
+ info->hpdet_ip = 2;
+ break;
default:
break;
}
--
1.7.2.5


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