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authorMark Brown <broonie@opensource.wolfsonmicro.com>2012-09-07 17:01:15 +0800
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-09-10 11:25:14 +0800
commitb8575a1143f6d57a791c946291ba4363e07e32a3 (patch)
treebfd75a5fb3b0c1766fcf84b12453795b7ea2d89b /drivers/extcon
parent22c5fb6a7dc8674424394122337c84eaf48efbdf (diff)
downloadop-kernel-dev-b8575a1143f6d57a791c946291ba4363e07e32a3.zip
op-kernel-dev-b8575a1143f6d57a791c946291ba4363e07e32a3.tar.gz
extcon: arizona: Use bypass mode for MICVDD
We can perform microphone detection with MICVDD in bypass mode so try to enable that during startup for minimal power - other users or machine constraints will prevent bypass mode being activated if it is unsuitable. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/extcon')
-rw-r--r--drivers/extcon/extcon-arizona.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
index 427a289..6c19833 100644
--- a/drivers/extcon/extcon-arizona.c
+++ b/drivers/extcon/extcon-arizona.c
@@ -434,6 +434,11 @@ static int __devinit arizona_extcon_probe(struct platform_device *pdev)
regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE,
ARIZONA_JD1_ENA, ARIZONA_JD1_ENA);
+ ret = regulator_allow_bypass(info->micvdd, true);
+ if (ret != 0)
+ dev_warn(arizona->dev, "Failed to set MICVDD to bypass: %d\n",
+ ret);
+
pm_runtime_put(&pdev->dev);
return 0;
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