From 3254d2850075c88083d870b3ee5e1ce0922cd3d9 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Mon, 10 May 2010 14:56:03 +0100 Subject: [PATCH] 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 Acked-by: Liam Girdwood --- sound/soc/codecs/wm_hubs.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/sound/soc/codecs/wm_hubs.c b/sound/soc/codecs/wm_hubs.c index defdbd0..8ad43bb 100644 --- a/sound/soc/codecs/wm_hubs.c +++ b/sound/soc/codecs/wm_hubs.c @@ -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, -- 2.7.4