This patch adds support for the WM8998 and WM1814 codecs. These use the same IP version as WM5110 but have different clamp control.
Signed-off-by: Richard Fitzgerald rf@opensource.wolfsonmicro.com Acked-by: Chanwoo Choi cw00.choi@samsung.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 830c5f9..586ec53 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_version = 2; + break; default: break; }