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authorLinus Torvalds <torvalds@linux-foundation.org>2011-10-28 14:25:01 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-10-28 14:25:01 -0700
commit68d99b2c8efcb6ed3807a55569300c53b5f88be5 (patch)
treef189c8f2132d3668a2f0e503f5c3f8695b26a1c8 /sound/soc/codecs/wm8971.c
parentMerge branch 'next-rebase' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci (diff)
parentMerge branch 'topic/hda' into for-linus (diff)
downloadlinux-dev-68d99b2c8efcb6ed3807a55569300c53b5f88be5.tar.xz
linux-dev-68d99b2c8efcb6ed3807a55569300c53b5f88be5.zip
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (549 commits) ALSA: hda - Fix ADC input-amp handling for Cx20549 codec ALSA: hda - Keep EAPD turned on for old Conexant chips ALSA: hda/realtek - Fix missing volume controls with ALC260 ASoC: wm8940: Properly set codec->dapm.bias_level ALSA: hda - Fix pin-config for ASUS W90V ALSA: hda - Fix surround/CLFE headphone and speaker pins order ALSA: hda - Fix typo ALSA: Update the sound git tree URL ALSA: HDA: Add new revision for ALC662 ASoC: max98095: Convert codec->hw_write to snd_soc_write ASoC: keep pointer to resource so it can be freed ASoC: sgtl5000: Fix wrong mask in some snd_soc_update_bits calls ASoC: wm8996: Fix wrong mask for setting WM8996_AIF_CLOCKING_2 ASoC: da7210: Add support for line out and DAC ASoC: da7210: Add support for DAPM ALSA: hda/realtek - Fix DAC assignments of multiple speakers ASoC: Use SGTL5000_LINREG_VDDD_MASK instead of hardcoded mask value ASoC: Set sgtl5000->ldo in ldo_regulator_register ASoC: wm8996: Use SND_SOC_DAPM_AIF_OUT for AIF2 Capture ASoC: wm8994: Use SND_SOC_DAPM_AIF_OUT for AIF3 Capture ...
Diffstat (limited to 'sound/soc/codecs/wm8971.c')
-rw-r--r--sound/soc/codecs/wm8971.c42
1 files changed, 11 insertions, 31 deletions
diff --git a/sound/soc/codecs/wm8971.c b/sound/soc/codecs/wm8971.c
index 572bb80627a4..b444b297d0b2 100644
--- a/sound/soc/codecs/wm8971.c
+++ b/sound/soc/codecs/wm8971.c
@@ -546,6 +546,9 @@ static int wm8971_set_bias_level(struct snd_soc_codec *codec,
case SND_SOC_BIAS_PREPARE:
break;
case SND_SOC_BIAS_STANDBY:
+ if (codec->dapm.bias_level == SND_SOC_BIAS_OFF)
+ snd_soc_cache_sync(codec);
+
/* mute dac and set vmid to 500k, enable VREF */
snd_soc_write(codec, WM8971_PWR1, pwr_reg | 0x0140);
break;
@@ -605,20 +608,8 @@ static int wm8971_suspend(struct snd_soc_codec *codec, pm_message_t state)
static int wm8971_resume(struct snd_soc_codec *codec)
{
- int i;
- u8 data[2];
- u16 *cache = codec->reg_cache;
u16 reg;
- /* Sync reg_cache with the hardware */
- for (i = 0; i < ARRAY_SIZE(wm8971_reg); i++) {
- if (i + 1 == WM8971_RESET)
- continue;
- data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
- data[1] = cache[i] & 0x00ff;
- codec->hw_write(codec->control_data, data, 2);
- }
-
wm8971_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
/* charge wm8971 caps */
@@ -660,25 +651,14 @@ static int wm8971_probe(struct snd_soc_codec *codec)
msecs_to_jiffies(1000));
/* set the update bits */
- reg = snd_soc_read(codec, WM8971_LDAC);
- snd_soc_write(codec, WM8971_LDAC, reg | 0x0100);
- reg = snd_soc_read(codec, WM8971_RDAC);
- snd_soc_write(codec, WM8971_RDAC, reg | 0x0100);
-
- reg = snd_soc_read(codec, WM8971_LOUT1V);
- snd_soc_write(codec, WM8971_LOUT1V, reg | 0x0100);
- reg = snd_soc_read(codec, WM8971_ROUT1V);
- snd_soc_write(codec, WM8971_ROUT1V, reg | 0x0100);
-
- reg = snd_soc_read(codec, WM8971_LOUT2V);
- snd_soc_write(codec, WM8971_LOUT2V, reg | 0x0100);
- reg = snd_soc_read(codec, WM8971_ROUT2V);
- snd_soc_write(codec, WM8971_ROUT2V, reg | 0x0100);
-
- reg = snd_soc_read(codec, WM8971_LINVOL);
- snd_soc_write(codec, WM8971_LINVOL, reg | 0x0100);
- reg = snd_soc_read(codec, WM8971_RINVOL);
- snd_soc_write(codec, WM8971_RINVOL, reg | 0x0100);
+ snd_soc_update_bits(codec, WM8971_LDAC, 0x0100, 0x0100);
+ snd_soc_update_bits(codec, WM8971_RDAC, 0x0100, 0x0100);
+ snd_soc_update_bits(codec, WM8971_LOUT1V, 0x0100, 0x0100);
+ snd_soc_update_bits(codec, WM8971_ROUT1V, 0x0100, 0x0100);
+ snd_soc_update_bits(codec, WM8971_LOUT2V, 0x0100, 0x0100);
+ snd_soc_update_bits(codec, WM8971_ROUT2V, 0x0100, 0x0100);
+ snd_soc_update_bits(codec, WM8971_LINVOL, 0x0100, 0x0100);
+ snd_soc_update_bits(codec, WM8971_RINVOL, 0x0100, 0x0100);
snd_soc_add_controls(codec, wm8971_snd_controls,
ARRAY_SIZE(wm8971_snd_controls));