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extcon: arizona: Always take the first HPDET reading as the final one 

This should always be the most accurate reading for supported accessory
configurations.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
hifive-unleashed-5.1
Mark Brown 2013-02-05 17:48:49 +00:00
parent 5d9ab70820
commit c37b387f07
1 changed files with 4 additions and 3 deletions
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7
drivers/extcon/extcon-arizona.c
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@ -451,6 +451,10 @@ static int arizona_hpdet_do_id(struct arizona_extcon_info *info, int *reading)
info->hpdet_res[0], info->hpdet_res[1],
info->hpdet_res[2]);
/* Take the headphone impedance for the main report */
*reading = info->hpdet_res[0];
/*
* Either the two grounds measure differently or we
* measure the mic as high impedance.
@ -466,9 +470,6 @@ static int arizona_hpdet_do_id(struct arizona_extcon_info *info, int *reading)
dev_err(arizona->dev,
"Failed to report mic: %d\n", ret);
}
/* Take the headphone impedance for the main report */
*reading = info->hpdet_res[1];
} else {
dev_dbg(arizona->dev, "Detected headphone\n");
}