From e56a0a572be150c79cdbf62ff98f4a63419e1c0b Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Mon, 1 Apr 2013 19:03:52 +0100
Subject: extcon: arizona: Allow pull to be disabled on GPIO5 when used for
JACKET
In some designs an external pull won't be needed.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
drivers/extcon/extcon-arizona.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
(limited to 'drivers')
diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
index 95748d3cbc4e..132bc99fdc06 100644
--- a/drivers/extcon/extcon-arizona.c
+++ b/drivers/extcon/extcon-arizona.c
@@ -986,6 +986,7 @@ static int arizona_extcon_probe(struct platform_device *pdev)
struct arizona *arizona = dev_get_drvdata(pdev->dev.parent);
struct arizona_pdata *pdata;
struct arizona_extcon_info *info;
+ unsigned int val;
int jack_irq_fall, jack_irq_rise;
int ret, mode, i, j;
@@ -1172,9 +1173,13 @@ static int arizona_extcon_probe(struct platform_device *pdev)
*/
if (info->micd_clamp) {
if (arizona->pdata.jd_gpio5) {
- /* Put the GPIO into input mode */
+ /* Put the GPIO into input mode with optional pull */
+ val = 0xc101;
+ if (arizona->pdata.jd_gpio5_nopull)
+ val &= ~ARIZONA_GPN_PU;
+
regmap_write(arizona->regmap, ARIZONA_GPIO5_CTRL,
- 0xc101);
+ val);
regmap_update_bits(arizona->regmap,
ARIZONA_MICD_CLAMP_CONTROL,
--
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