Allow configuration of the rise time for MICBIAS via platform data, the delay required depends on things like the external component selection.
Signed-off-by: Mark Brown <[email protected]> Acked-by: MyungJoo Ham <[email protected]> --- drivers/extcon/extcon-arizona.c | 6 ++++++ include/linux/mfd/arizona/pdata.h | 3 +++ 2 files changed, 9 insertions(+) diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c index 9e1d104..635b707 100644 --- a/drivers/extcon/extcon-arizona.c +++ b/drivers/extcon/extcon-arizona.c @@ -417,6 +417,12 @@ static int arizona_extcon_probe(struct platform_device *pdev) } } + if (arizona->pdata.micd_bias_start_time) + regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, + ARIZONA_MICD_BIAS_STARTTIME_MASK, + arizona->pdata.micd_bias_start_time + << ARIZONA_MICD_BIAS_STARTTIME_SHIFT); + arizona_extcon_set_mode(info, 0); info->input = devm_input_allocate_device(&pdev->dev); diff --git a/include/linux/mfd/arizona/pdata.h b/include/linux/mfd/arizona/pdata.h index 8b1d1da..5b05088 100644 --- a/include/linux/mfd/arizona/pdata.h +++ b/include/linux/mfd/arizona/pdata.h @@ -99,6 +99,9 @@ struct arizona_pdata { /** GPIO for mic detection polarity */ int micd_pol_gpio; + /** Mic detect ramp rate */ + int micd_bias_start_time; + /** Headset polarity configurations */ struct arizona_micd_config *micd_configs; int num_micd_configs; -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
