summaryrefslogtreecommitdiff
path: root/chip
diff options
context:
space:
mode:
authorDino Li <Dino.Li@ite.com.tw>2021-07-21 16:30:39 +0800
committerCommit Bot <commit-bot@chromium.org>2021-07-21 12:00:12 +0000
commit877ac2c151a7858836196a526fdc522c406ac30e (patch)
tree97f550650c36229da7aa3cad941a45ff6a371c97 /chip
parentded45773ac36081677016598b318f99f4c8402cb (diff)
downloadchrome-ec-877ac2c151a7858836196a526fdc522c406ac30e.tar.gz
it83xx: pwm: fix wrong index of pwm_channels
BRANCH=none BUG=b:194047863 TEST=On spherion, no keyboard backlight blinking. Signed-off-by: Dino Li <Dino.Li@ite.com.tw> Change-Id: I847291268720bf12ca98b3e38e29a556ec038cd0 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3043075 Tested-by: Ben Chen <ben.chen2@quanta.corp-partner.google.com> Reviewed-by: Ting Shen <phoenixshen@chromium.org> Reviewed-by: Eric Yilun Lin <yllin@google.com>
Diffstat (limited to 'chip')
-rw-r--r--chip/it83xx/pwm.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/chip/it83xx/pwm.c b/chip/it83xx/pwm.c
index 6328c69b46..fda8dd23d6 100644
--- a/chip/it83xx/pwm.c
+++ b/chip/it83xx/pwm.c
@@ -67,16 +67,16 @@ static int pwm_get_cycle_time(enum pwm_channel ch)
void pwm_enable(enum pwm_channel ch, int enabled)
{
/* pwm channel mapping */
- ch = pwm_channels[ch].channel;
+ int pwm_reg_index = pwm_channels[ch].channel;
/*
* enabled : pin to PWM function.
* disabled : pin to GPIO input function.
*/
if (enabled)
- *pwm_ctrl_regs[ch].pwm_pin = 0x00;
+ *pwm_ctrl_regs[pwm_reg_index].pwm_pin = 0x00;
else
- *pwm_ctrl_regs[ch].pwm_pin = 0x80 |
+ *pwm_ctrl_regs[pwm_reg_index].pwm_pin = 0x80 |
((pwm_channels[ch].flags & PWM_CONFIG_ACTIVE_LOW) ?
4 : 2);
}