diff options
| author | Jean-Michel Hautbois <jhautbois@gmail.com> | 2015-12-17 11:07:23 +0100 |
|---|---|---|
| committer | Stefan Agner <stefan.agner@toradex.com> | 2017-05-30 13:49:05 -0700 |
| commit | abbdc0a6a494a6525fc5613a736257a1ae9abced (patch) | |
| tree | 62112570f7c4da058a8296c3d4f4053f1a0968b6 /sound | |
| parent | 198628db28985f56517928930b42b0aef28a7ee2 (diff) | |
ASoC: sgtl5000: fix VAG power up timing
When power up, a "pop" is heard on line-in and mic-in.
An analysis of the PCM shows it lasts ~400ms
and looks like a filter response.
VAG power up should be delayed by 400ms as VAG power down is.
Signed-off-by: Jean-Michel Hautbois <jean-michel.hautbois@veo-labs.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit c803cc2dcd722e08020c1ba63bb5ceece4a19fdb)
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/codecs/sgtl5000.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sound/soc/codecs/sgtl5000.c b/sound/soc/codecs/sgtl5000.c index 7d6b5655e1ae..1dff5e723c36 100644 --- a/sound/soc/codecs/sgtl5000.c +++ b/sound/soc/codecs/sgtl5000.c @@ -194,6 +194,7 @@ static int power_vag_event(struct snd_soc_dapm_widget *w, case SND_SOC_DAPM_POST_PMU: snd_soc_update_bits(codec, SGTL5000_CHIP_ANA_POWER, SGTL5000_VAG_POWERUP, SGTL5000_VAG_POWERUP); + msleep(400); break; case SND_SOC_DAPM_PRE_PMD: |