ASoC: Ensure we delay long enough for WM8994 FLL to lock when starting

commit 8e9ddf811ba021506d2316fcfe619faa0ab3f567 upstream.

This delay is very conservative.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index 84e1bd1d2822fcfe7eca4a0bfb8749eff28a7fec..fece9d9696b8acb39c29ea72a5718071a6d4df0e 100644 (file)
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -1969,6 +1969,8 @@ static int _wm8994_set_fll(struct snd_soc_codec *codec, int id, int src,
                snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_1 + reg_offset,
                                    WM8994_FLL1_ENA | WM8994_FLL1_FRAC,
                                    reg);
+
+               msleep(5);
        }
 
        wm8994->fll[id].in = freq_in;