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authorCheng-Yi Chiang <cychiang@chromium.org>2018-08-13 17:01:31 +0800
committerchrome-bot <chrome-bot@chromium.org>2018-12-20 18:06:17 -0800
commit01b326eb4c4c7863ebecd8fe42102d784374f7e7 (patch)
treeb4b3875fecacc40d741cf3566fcb2a6b487530c3 /include
parent76bdf421c5ee0b5db14380dcd3fd5efee6fc1457 (diff)
downloadchrome-ec-01b326eb4c4c7863ebecd8fe42102d784374f7e7.tar.gz
audio_codec: add audio codec feature
This CL adds support for the audio codec feature required to support dmic and I2S operation. BRANCH=none BUG=b:116766596 TEST=On cheza verifed recording works using the following kernel commands and the loading the audio file into audacity. amixer -c 0 cset iface=MIXER,name='MultiMedia1 Mixer SEC_MI2S_TX' on amixer -c0 cset numid=27 30,30 arecord -D hw:0,0 -f dat /tmp/rec.wav -d 5 Change-Id: I2b3ba097aaf6a7854551db2033914d00ac3ec275 Signed-off-by: Cheng-Yi Chiang <cychiang@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/1192702 Tested-by: Scott Collyer <scollyer@chromium.org> Reviewed-by: Wai-Hong Tam <waihong@google.com>
Diffstat (limited to 'include')
-rw-r--r--include/config.h3
-rw-r--r--include/ec_commands.h2
2 files changed, 5 insertions, 0 deletions
diff --git a/include/config.h b/include/config.h
index 903365de9d..48f642fe59 100644
--- a/include/config.h
+++ b/include/config.h
@@ -215,6 +215,9 @@
/* Support AP Warm reset Interrupt. */
#undef CONFIG_AP_WARM_RESET_INTERRUPT
+/* Support audio codec for WoV and I2S normal recording. */
+#undef CONFIG_AUDIO_CODEC
+
/*
* Enable support for CPU caches behaving according to the ARMv7-M ISA.
* (so far, only the Cortex-M7 has such caches)
diff --git a/include/ec_commands.h b/include/ec_commands.h
index c05a1d495a..9f066e0988 100644
--- a/include/ec_commands.h
+++ b/include/ec_commands.h
@@ -1336,6 +1336,8 @@ enum ec_feature_code {
* MOTIONSENSE_CMD_TABLET_MODE_LID_ANGLE.
*/
EC_FEATURE_REFINED_TABLET_MODE_HYSTERESIS = 37,
+ /* EC supports audio codec. */
+ EC_FEATURE_AUDIO_CODEC = 38,
};
#define EC_FEATURE_MASK_0(event_code) (1UL << (event_code % 32))