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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: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
This commit is contained in:
Mark Brown 2010-05-10 14:56:03 +01:00
parent fd5722e5cd
commit 3254d28500
1 changed files with 4 additions and 0 deletions
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4
sound/soc/codecs/wm_hubs.c
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@ -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,