diff options
| author | Scott Collyer <scollyer@google.com> | 2018-11-29 14:32:23 -0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2018-12-06 22:06:29 -0800 |
| commit | 5838aa7bb6edfb7cc02d08f35f22dd3783d4013e (patch) | |
| tree | 24656c7267260a53bc3912e0c7d76699831adcba /chip/npcx/wov_chip.h | |
| parent | 6b1c8f10329d1d335aa5c1a3365973d4250e2519 (diff) | |
| download | chrome-ec-5838aa7bb6edfb7cc02d08f35f22dd3783d4013e.tar.gz | |
wov: Add API method to retrieve the channel gain parameters
This CL adds a new function wov_get_gain() so the codec driver can
query the current channel gain values.
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: I5aab58a651d95727cf5c49149898f78ca25c78cf
Signed-off-by: Scott Collyer <scollyer@google.com>
Reviewed-on: https://chromium-review.googlesource.com/1356184
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: Scott Collyer <scollyer@chromium.org>
Reviewed-by: Wai-Hong Tam <waihong@google.com>
Diffstat (limited to 'chip/npcx/wov_chip.h')
| -rw-r--r-- | chip/npcx/wov_chip.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/chip/npcx/wov_chip.h b/chip/npcx/wov_chip.h index dcc17dcf77..96bc03c2b8 100644 --- a/chip/npcx/wov_chip.h +++ b/chip/npcx/wov_chip.h @@ -336,6 +336,15 @@ enum wov_mic_source wov_get_mic_source(void); void wov_mute(int enable); /** + * Gets gain values + * + * @param left_chan_gain - address of left channel gain response. + * @param right_chan_gain - address of right channel gain response. + * @return None + */ +void wov_get_gain(int *left_chan_gain, int *right_chan_gain); + +/** * Sets gain * * @param left_chan_gain - Left channel gain. |