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authorShawn Nematbakhsh <shawnn@chromium.org>2016-04-27 13:54:52 -0700
committerchrome-bot <chrome-bot@chromium.org>2016-04-27 23:58:04 -0700
commitab27f42f5636af5fba50a871e391018cb1c885bf (patch)
treeb3c6e464b0b8e5a44b61c6e814220ef4293b0c92 /include/pwm.h
parent8d742588ade84d45ce6fe7ca069d6087fac6928c (diff)
downloadchrome-ec-ab27f42f5636af5fba50a871e391018cb1c885bf.tar.gz
pwm: Add PWM_CONFIG_DSLEEP config flag
Add PWM_CONFIG_DSLEEP PWM config flag, which can be set to keep a channel active during low-power idle / deep sleep. Currently it's supported by npcx and mec1322. BUG=chrome-os-partner:52783 BRANCH=glados TEST=Manual on chell w/ subsequent commit + CONFIG_LOW_POWER_S0. Verify KB backlight does not flicker during idle. Change-Id: Ib9df5879aaa7dfa5764de1583496de84d40d2bb5 Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/341002 Commit-Ready: Shawn N <shawnn@chromium.org> Tested-by: Shawn N <shawnn@chromium.org> Reviewed-by: Vincent Palatin <vpalatin@chromium.org> Reviewed-by: Todd Broch <tbroch@chromium.org>
Diffstat (limited to 'include/pwm.h')
-rw-r--r--include/pwm.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/pwm.h b/include/pwm.h
index 39835012e9..08cea7e43a 100644
--- a/include/pwm.h
+++ b/include/pwm.h
@@ -51,5 +51,8 @@ int pwm_get_duty(enum pwm_channel ch);
* addition to the primary output.
*/
#define PWM_CONFIG_COMPLEMENTARY_OUTPUT (1 << 3)
-
+/**
+ * PWM channel must stay active in low-power idle, if enabled.
+ */
+#define PWM_CONFIG_DSLEEP (1 << 4)
#endif /* __CROS_EC_PWM_H */