extcon: arizona: Attempt more microphone measurements
In some pathological use cases users may insert an accessory very slowly causing multiple indeterminate measurements. Handle this by retrying many measurements before we give up and declare a headphone. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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@ -153,6 +153,8 @@ static void arizona_extcon_set_mode(struct arizona_extcon_info *info, int mode)
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{
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struct arizona *arizona = info->arizona;
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mode %= info->num_micd_modes;
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if (arizona->pdata.micd_pol_gpio > 0)
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gpio_set_value_cansleep(arizona->pdata.micd_pol_gpio,
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info->micd_modes[mode].gpio);
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@ -783,7 +785,7 @@ static irqreturn_t arizona_micdet(int irq, void *data)
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* impedence then give up and report headphones.
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*/
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if (info->detecting && (val & 0x3f8)) {
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if (info->jack_flips >= info->micd_num_modes) {
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if (info->jack_flips >= info->micd_num_modes * 10) {
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dev_dbg(arizona->dev, "Detected HP/line\n");
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arizona_identify_headphone(info);
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