From cd62cac9e1f76d4086dc757701ad724a79654b1b Mon Sep 17 00:00:00 2001 From: Daniel Kurtz Date: Mon, 23 Jul 2018 17:26:59 -0600 Subject: drivers/i2c/da7219: Allow disabling micbias-pulse feature These two da7219_aad properties are optional: - dlg,micbias-pulse-lvl : Mic bias higher voltage pulse level (mV). [<2800>, <2900>] - dlg,micbias-pulse-time : Mic bias higher voltage pulse duration (ms) When the Mic Bias Higher Voltage feature is not required, firmware should just not provide the dlg,micbias-pulse-lvl and dlg,micbias-pulse-time properties. Signed-off-by: Daniel Kurtz BUG=b:111700809 TEST=On grunt: No "Invalid micbias pulse level" in dmesg Change-Id: Ie99a8962e78c68b3f6927d0de34168f265d4efa9 Reviewed-on: https://review.coreboot.org/27613 Reviewed-by: Furquan Shaikh Reviewed-by: Akshu Agrawal Tested-by: build bot (Jenkins) --- src/drivers/i2c/da7219/da7219.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/src/drivers/i2c/da7219/da7219.c b/src/drivers/i2c/da7219/da7219.c index b8af689312..43e6076b73 100644 --- a/src/drivers/i2c/da7219/da7219.c +++ b/src/drivers/i2c/da7219/da7219.c @@ -77,10 +77,12 @@ static void da7219_fill_ssdt(struct device *dev) acpi_dp_add_integer(aad, "dlg,c-mic-btn-thr", config->c_mic_btn_thr); acpi_dp_add_integer(aad, "dlg,btn-avg", config->btn_avg); acpi_dp_add_integer(aad, "dlg,adc-1bit-rpt", config->adc_1bit_rpt); - acpi_dp_add_integer(aad, "dlg,micbias-pulse-lvl", - config->micbias_pulse_lvl); - acpi_dp_add_integer(aad, "dlg,micbias-pulse-time", - config->micbias_pulse_time); + if (config->micbias_pulse_lvl > 0) { + acpi_dp_add_integer(aad, "dlg,micbias-pulse-lvl", + config->micbias_pulse_lvl); + acpi_dp_add_integer(aad, "dlg,micbias-pulse-time", + config->micbias_pulse_time); + } /* DA7219 Properties */ dsd = acpi_dp_new_table("_DSD"); -- cgit v1.2.3