diff options
| author | Charles Keepax <ckeepax@opensource.cirrus.com> | 2023-12-11 16:00:19 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-12-11 17:26:01 +0000 |
| commit | bbbc18d8c27cc9d40cc9a3b03b61e4df85311146 (patch) | |
| tree | b71366c40dab8498302d28fb9fdc83304ceace4a /sound/soc/codecs/cs42l43.h | |
| parent | 28b0b18d53469833bf513a87732c638775073ba4 (diff) | |
ASoC: cs42l43: Allow HP amp to cool off after current limit
Whilst occasional current limiting is fine, constant current limiting
should be avoided. Add a back off system that will disable the
headphone amp, if a lot of current limiting is seen in a short window
of time.
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://msgid.link/r/20231211160019.2034442-2-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/cs42l43.h')
| -rw-r--r-- | sound/soc/codecs/cs42l43.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sound/soc/codecs/cs42l43.h b/sound/soc/codecs/cs42l43.h index bf4f728eea3e..125e36861d5d 100644 --- a/sound/soc/codecs/cs42l43.h +++ b/sound/soc/codecs/cs42l43.h @@ -28,6 +28,10 @@ #define CS42L43_HP_TIMEOUT_MS 2000 #define CS42L43_LOAD_TIMEOUT_MS 1000 +#define CS42L43_HP_ILIMIT_BACKOFF_MS 1000 +#define CS42L43_HP_ILIMIT_DECAY_MS 300 +#define CS42L43_HP_ILIMIT_MAX_COUNT 4 + #define CS42L43_ASP_MAX_CHANNELS 6 #define CS42L43_N_EQ_COEFFS 15 @@ -88,6 +92,11 @@ struct cs42l43_codec { bool button_detect_running; bool jack_present; int jack_override; + + struct work_struct hp_ilimit_work; + struct delayed_work hp_ilimit_clear_work; + bool hp_ilimited; + int hp_ilimit_count; }; #if IS_REACHABLE(CONFIG_SND_SOC_CS42L43_SDW) |