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authorLinus Torvalds <torvalds@linux-foundation.org>2022-12-21 09:41:28 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2022-12-21 09:41:28 -0800
commit7a693ea78e3c48605a2d849fd241ff15561f10d5 (patch)
treef1d3b8939d2abc40d3bb160d2dcaaf696d8de2d6 /drivers/pwm/pwm-cros-ec.c
parent9cf5b508bd260d5693d337bcf1f9b82b961b6137 (diff)
parent8fa22f4b88e877c0811d2a0e506cf56755add554 (diff)
Merge tag 'pwm/for-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm updates from Thierry Reding: "Various changes across the board, mostly improvements and cleanups" * tag 'pwm/for-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (42 commits) pwm: pca9685: Convert to i2c's .probe_new() pwm: sun4i: Propagate errors in .get_state() to the caller pwm: Handle .get_state() failures pwm: sprd: Propagate errors in .get_state() to the caller pwm: rockchip: Propagate errors in .get_state() to the caller pwm: mtk-disp: Propagate errors in .get_state() to the caller pwm: imx27: Propagate errors in .get_state() to the caller pwm: cros-ec: Propagate errors in .get_state() to the caller pwm: crc: Propagate errors in .get_state() to the caller leds: qcom-lpg: Propagate errors in .get_state() to the caller drm/bridge: ti-sn65dsi86: Propagate errors in .get_state() to the caller pwm/tracing: Also record trace events for failed API calls pwm: Make .get_state() callback return an error code pwm: pxa: Enable for MMP platform pwm: pxa: Add reference manual link and limitations pwm: pxa: Use abrupt shutdown mode pwm: pxa: Remove clk enable/disable from pxa_pwm_config pwm: pxa: Set duty cycle to 0 when disabling PWM pwm: pxa: Remove pxa_pwm_enable/disable pwm: mediatek: Add support for MT7986 ...
Diffstat (limited to 'drivers/pwm/pwm-cros-ec.c')
-rw-r--r--drivers/pwm/pwm-cros-ec.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/pwm/pwm-cros-ec.c b/drivers/pwm/pwm-cros-ec.c
index 7f10f56c3eb6..86df6702cb83 100644
--- a/drivers/pwm/pwm-cros-ec.c
+++ b/drivers/pwm/pwm-cros-ec.c
@@ -183,8 +183,8 @@ static int cros_ec_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
return 0;
}
-static void cros_ec_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm,
- struct pwm_state *state)
+static int cros_ec_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm,
+ struct pwm_state *state)
{
struct cros_ec_pwm_device *ec_pwm = pwm_to_cros_ec_pwm(chip);
struct cros_ec_pwm *channel = pwm_get_chip_data(pwm);
@@ -193,7 +193,7 @@ static void cros_ec_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm,
ret = cros_ec_pwm_get_duty(ec_pwm, pwm->hwpwm);
if (ret < 0) {
dev_err(chip->dev, "error getting initial duty: %d\n", ret);
- return;
+ return ret;
}
state->enabled = (ret > 0);
@@ -212,6 +212,8 @@ static void cros_ec_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm,
state->duty_cycle = channel->duty_cycle;
else
state->duty_cycle = ret;
+
+ return 0;
}
static struct pwm_device *