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Commit 3254d285 authored by Mark Brown's avatar Mark Brown
Browse files

ASoC: Add additional WM hubs DC servo trace 



Log the values we're getting back from the DC servo and the values we
write to it.

Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: default avatarLiam Girdwood <lrg@slimlogic.co.uk>
parent fd5722e5

sound/soc/codecs/wm_hubs.c

+4 −0
Original line number Diff line number Diff line
@@ -127,6 +127,8 @@ static void calibrate_dc_servo(struct snd_soc_codec *codec) 
			break;

		}



		dev_dbg(codec->dev, "DCS input: %x %x\n", reg_l, reg_r);



		/* HPOUT1L */

		if (reg_l + hubs->dcs_codes > 0 &&

		    reg_l + hubs->dcs_codes < 0xff)
@@ -139,6 +141,8 @@ static void calibrate_dc_servo(struct snd_soc_codec *codec) 
			reg_r += hubs->dcs_codes;

		dcs_cfg |= reg_r;



		dev_dbg(codec->dev, "DCS result: %x\n", dcs_cfg);



		/* Do it */

		snd_soc_write(codec, WM8993_DC_SERVO_3, dcs_cfg);

		wait_for_dc_servo(codec,