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Diffstat (limited to 'sound/soc/codecs/wm8994.c')
-rw-r--r--sound/soc/codecs/wm8994.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index 1de5dbd..c8c714a 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -2283,6 +2283,14 @@ 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, 0);
+ if (wm8994->fll_byp && src == WM8994_FLL_SRC_BCLK &&
+ freq_in == freq_out) {
+ dev_dbg(codec->dev, "Bypassing FLL%d\n", id + 1);
+ snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_5 + reg_offset,
+ WM8958_FLL1_BYP, WM8958_FLL1_BYP);
+ goto out;
+ }
+
reg = (fll.outdiv << WM8994_FLL1_OUTDIV_SHIFT) |
(fll.fll_fratio << WM8994_FLL1_FRATIO_SHIFT);
snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_2 + reg_offset,
@@ -2297,6 +2305,7 @@ static int _wm8994_set_fll(struct snd_soc_codec *codec, int id, int src,
fll.n << WM8994_FLL1_N_SHIFT);
snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_5 + reg_offset,
+ WM8958_FLL1_BYP |
WM8994_FLL1_REFCLK_DIV_MASK |
WM8994_FLL1_REFCLK_SRC_MASK,
(fll.clk_ref_div << WM8994_FLL1_REFCLK_DIV_SHIFT) |
@@ -2359,6 +2368,7 @@ static int _wm8994_set_fll(struct snd_soc_codec *codec, int id, int src,
}
}
+out:
wm8994->fll[id].in = freq_in;
wm8994->fll[id].out = freq_out;
wm8994->fll[id].src = src;
@@ -3905,6 +3915,14 @@ static int wm8994_codec_probe(struct snd_soc_codec *codec)
case WM8958:
wm8994->hubs.dcs_readback_mode = 1;
wm8994->hubs.hp_startup_mode = 1;
+
+ switch (wm8994->revision) {
+ case 0:
+ break;
+ default:
+ wm8994->fll_byp = true;
+ break;
+ }
break;
case WM1811:
@@ -3912,6 +3930,7 @@ static int wm8994_codec_probe(struct snd_soc_codec *codec)
wm8994->hubs.no_series_update = 1;
wm8994->hubs.hp_startup_mode = 1;
wm8994->hubs.no_cache_class_w = true;
+ wm8994->fll_byp = true;
switch (wm8994->revision) {
case 0: