From 2eff31e8096513d03b0b6484b85fd2c417eb87e8 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Wed, 2 Sep 2009 18:51:19 +0100 Subject: [PATCH] ASoC: Fully specify DC servo bits to update in wm_hubs Avoids potential issues if we read back unexpected values during a read/modify/write cycle. Signed-off-by: Mark Brown --- sound/soc/codecs/wm_hubs.c | 12 ++---------- 1 file changed, 2 insertions(+), 10 deletions(-) diff --git a/sound/soc/codecs/wm_hubs.c b/sound/soc/codecs/wm_hubs.c index 41699bd..e542027 100644 --- a/sound/soc/codecs/wm_hubs.c +++ b/sound/soc/codecs/wm_hubs.c @@ -273,17 +273,12 @@ static int hp_event(struct snd_soc_dapm_widget *w, /* Start the DC servo */ snd_soc_update_bits(codec, WM8993_DC_SERVO_0, - WM8993_DCS_ENA_CHAN_0 | - WM8993_DCS_ENA_CHAN_1 | - WM8993_DCS_TRIG_STARTUP_1 | - WM8993_DCS_TRIG_STARTUP_0, + 0xFFFF, WM8993_DCS_ENA_CHAN_0 | WM8993_DCS_ENA_CHAN_1 | WM8993_DCS_TRIG_STARTUP_1 | WM8993_DCS_TRIG_STARTUP_0); wait_for_dc_servo(codec); - snd_soc_update_bits(codec, WM8993_DC_SERVO_1, - WM8993_DCS_TIMER_PERIOD_01_MASK, 0xa); reg |= WM8993_HPOUT1R_OUTP | WM8993_HPOUT1R_RMV_SHORT | WM8993_HPOUT1L_OUTP | WM8993_HPOUT1L_RMV_SHORT; @@ -298,11 +293,8 @@ static int hp_event(struct snd_soc_dapm_widget *w, WM8993_HPOUT1R_DLY | WM8993_HPOUT1R_OUTP); - snd_soc_update_bits(codec, WM8993_DC_SERVO_1, - WM8993_DCS_TIMER_PERIOD_01_MASK, 0); snd_soc_update_bits(codec, WM8993_DC_SERVO_0, - WM8993_DCS_ENA_CHAN_0 | - WM8993_DCS_ENA_CHAN_1, 0); + 0xffff, 0); snd_soc_write(codec, WM8993_ANALOGUE_HP_0, reg); snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1, -- 2.7.4