[PATCH AUTOSEL 5.4 03/15] ASoC: wm8994: Skip setting of the WM8994_MICBIAS register for WM1811

Sasha Levin
2020-09-21T14:41:28Z

From: Sylwester Nawrocki <s.nawrocki@samsung.com>

[ Upstream commit 811c5494436789e7149487c06e0602b507ce274b ]

The WM8994_MICBIAS register is not available in the WM1811 CODEC so skip
initialization of that register for that device.
This suppresses an error during boot:
"wm8994-codec: ASoC: error at snd_soc_component_update_bits on wm8994-codec"

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20200827173357.31891-1-s.nawrocki@samsung.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
sound/soc/codecs/wm8994.c | 2 ++
sound/soc/codecs/wm_hubs.c | 3 +++
sound/soc/codecs/wm_hubs.h | 1 +
3 files changed, 6 insertions(+)

diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index d5fb7f5dd551c..64635f9cdae65 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -4047,11 +4047,13 @@ static int wm8994_component_probe(struct snd_soc_component *component)
wm8994->hubs.dcs_readback_mode = 2;
break;
}
+ wm8994->hubs.micd_scthr = true;
break;

case WM8958:
wm8994->hubs.dcs_readback_mode = 1;
wm8994->hubs.hp_startup_mode = 1;
+ wm8994->hubs.micd_scthr = true;

switch (control->revision) {
case 0:
diff --git a/sound/soc/codecs/wm_hubs.c b/sound/soc/codecs/wm_hubs.c
index e93af7edd8f75..dd421e2fe7b21 100644
--- a/sound/soc/codecs/wm_hubs.c
+++ b/sound/soc/codecs/wm_hubs.c
@@ -1223,6 +1223,9 @@ int wm_hubs_handle_analogue_pdata(struct snd_soc_component *component,
snd_soc_component_update_bits(component, WM8993_ADDITIONAL_CONTROL,
WM8993_LINEOUT2_FB, WM8993_LINEOUT2_FB);

+ if (!hubs->micd_scthr)
+ return 0;
+
snd_soc_component_update_bits(component, WM8993_MICBIAS,
WM8993_JD_SCTHR_MASK | WM8993_JD_THR_MASK |
WM8993_MICB1_LVL | WM8993_MICB2_LVL,
diff --git a/sound/soc/codecs/wm_hubs.h b/sound/soc/codecs/wm_hubs.h
index 4b8e5f0d6e32d..988b29e630607 100644
--- a/sound/soc/codecs/wm_hubs.h
+++ b/sound/soc/codecs/wm_hubs.h
@@ -27,6 +27,7 @@ struct wm_hubs_data {
int hp_startup_mode;
int series_startup;
int no_series_update;
+ bool micd_scthr;

bool no_cache_dac_hp_direct;
struct list_head dcs_cache;
--
2.25.1