Commit 11cef5f0 authored by Mark Brown's avatar Mark Brown

ASoC: Use DC servo startup mode when not doing DCS correction

Devices which do not have a DCS correction applied can use the explicit
DC servo startup mode for optimal startup performance. This most
immediately affects the WM8958.
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: default avatarLiam Girdwood <lrg@slimlogic.co.uk>
parent 4b666729
......@@ -105,12 +105,20 @@ static void calibrate_dc_servo(struct snd_soc_codec *codec)
return;
}
/* Set for 32 series updates */
snd_soc_update_bits(codec, WM8993_DC_SERVO_1,
WM8993_DCS_SERIES_NO_01_MASK,
32 << WM8993_DCS_SERIES_NO_01_SHIFT);
wait_for_dc_servo(codec,
WM8993_DCS_TRIG_SERIES_0 | WM8993_DCS_TRIG_SERIES_1);
/* Devices not using a DCS code correction have startup mode */
if (hubs->dcs_codes) {
/* Set for 32 series updates */
snd_soc_update_bits(codec, WM8993_DC_SERVO_1,
WM8993_DCS_SERIES_NO_01_MASK,
32 << WM8993_DCS_SERIES_NO_01_SHIFT);
wait_for_dc_servo(codec,
WM8993_DCS_TRIG_SERIES_0 |
WM8993_DCS_TRIG_SERIES_1);
} else {
wait_for_dc_servo(codec,
WM8993_DCS_TRIG_STARTUP_0 |
WM8993_DCS_TRIG_STARTUP_1);
}
/* Different chips in the family support different readback
* methods.
......
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