diff options
Diffstat (limited to 'drivers/gpu/drm/bridge/ti-sn65dsi86.c')
| -rw-r--r-- | drivers/gpu/drm/bridge/ti-sn65dsi86.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c index eb24322df721..05f8756d1aaf 100644 --- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c +++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c @@ -1500,8 +1500,8 @@ out: return ret; } -static void ti_sn_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm, - struct pwm_state *state) +static int ti_sn_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm, + struct pwm_state *state) { struct ti_sn65dsi86 *pdata = pwm_chip_to_ti_sn_bridge(chip); unsigned int pwm_en_inv; @@ -1512,19 +1512,19 @@ static void ti_sn_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm, ret = regmap_read(pdata->regmap, SN_PWM_EN_INV_REG, &pwm_en_inv); if (ret) - return; + return ret; ret = ti_sn65dsi86_read_u16(pdata, SN_BACKLIGHT_SCALE_REG, &scale); if (ret) - return; + return ret; ret = ti_sn65dsi86_read_u16(pdata, SN_BACKLIGHT_REG, &backlight); if (ret) - return; + return ret; ret = regmap_read(pdata->regmap, SN_PWM_PRE_DIV_REG, &pre_div); if (ret) - return; + return ret; state->enabled = FIELD_GET(SN_PWM_EN_MASK, pwm_en_inv); if (FIELD_GET(SN_PWM_INV_MASK, pwm_en_inv)) @@ -1539,6 +1539,8 @@ static void ti_sn_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm, if (state->duty_cycle > state->period) state->duty_cycle = state->period; + + return 0; } static const struct pwm_ops ti_sn_pwm_ops = { |