diff options
Diffstat (limited to 'drivers/leds/rgb')
| -rw-r--r-- | drivers/leds/rgb/leds-qcom-lpg.c | 32 |
1 files changed, 19 insertions, 13 deletions
diff --git a/drivers/leds/rgb/leds-qcom-lpg.c b/drivers/leds/rgb/leds-qcom-lpg.c index 02f51cc61837..67f48f222109 100644 --- a/drivers/leds/rgb/leds-qcom-lpg.c +++ b/drivers/leds/rgb/leds-qcom-lpg.c @@ -602,8 +602,8 @@ static void lpg_brightness_set(struct lpg_led *led, struct led_classdev *cdev, lpg_lut_sync(lpg, lut_mask); } -static void lpg_brightness_single_set(struct led_classdev *cdev, - enum led_brightness value) +static int lpg_brightness_single_set(struct led_classdev *cdev, + enum led_brightness value) { struct lpg_led *led = container_of(cdev, struct lpg_led, cdev); struct mc_subled info; @@ -614,10 +614,12 @@ static void lpg_brightness_single_set(struct led_classdev *cdev, lpg_brightness_set(led, cdev, &info); mutex_unlock(&led->lpg->lock); + + return 0; } -static void lpg_brightness_mc_set(struct led_classdev *cdev, - enum led_brightness value) +static int lpg_brightness_mc_set(struct led_classdev *cdev, + enum led_brightness value) { struct led_classdev_mc *mc = lcdev_to_mccdev(cdev); struct lpg_led *led = container_of(mc, struct lpg_led, mcdev); @@ -628,6 +630,8 @@ static void lpg_brightness_mc_set(struct led_classdev *cdev, lpg_brightness_set(led, cdev, mc->subled_info); mutex_unlock(&led->lpg->lock); + + return 0; } static int lpg_blink_set(struct lpg_led *led, @@ -968,8 +972,8 @@ out_unlock: return ret; } -static void lpg_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm, - struct pwm_state *state) +static int lpg_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm, + struct pwm_state *state) { struct lpg *lpg = container_of(chip, struct lpg, pwm); struct lpg_channel *chan = &lpg->channels[pwm->hwpwm]; @@ -982,20 +986,20 @@ static void lpg_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm, ret = regmap_read(lpg->map, chan->base + LPG_SIZE_CLK_REG, &val); if (ret) - return; + return ret; refclk = lpg_clk_rates[val & PWM_CLK_SELECT_MASK]; if (refclk) { ret = regmap_read(lpg->map, chan->base + LPG_PREDIV_CLK_REG, &val); if (ret) - return; + return ret; pre_div = lpg_pre_divs[FIELD_GET(PWM_FREQ_PRE_DIV_MASK, val)]; m = FIELD_GET(PWM_FREQ_EXP_MASK, val); ret = regmap_bulk_read(lpg->map, chan->base + PWM_VALUE_REG, &pwm_value, sizeof(pwm_value)); if (ret) - return; + return ret; state->period = DIV_ROUND_UP_ULL((u64)NSEC_PER_SEC * LPG_RESOLUTION * pre_div * (1 << m), refclk); state->duty_cycle = DIV_ROUND_UP_ULL((u64)NSEC_PER_SEC * pwm_value * pre_div * (1 << m), refclk); @@ -1006,13 +1010,15 @@ static void lpg_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm, ret = regmap_read(lpg->map, chan->base + PWM_ENABLE_CONTROL_REG, &val); if (ret) - return; + return ret; state->enabled = FIELD_GET(LPG_ENABLE_CONTROL_OUTPUT, val); state->polarity = PWM_POLARITY_NORMAL; if (state->duty_cycle > state->period) state->duty_cycle = state->period; + + return 0; } static const struct pwm_ops lpg_pwm_ops = { @@ -1118,7 +1124,7 @@ static int lpg_add_led(struct lpg *lpg, struct device_node *np) led->mcdev.num_colors = num_channels; cdev = &led->mcdev.led_cdev; - cdev->brightness_set = lpg_brightness_mc_set; + cdev->brightness_set_blocking = lpg_brightness_mc_set; cdev->blink_set = lpg_blink_mc_set; /* Register pattern accessors only if we have a LUT block */ @@ -1132,7 +1138,7 @@ static int lpg_add_led(struct lpg *lpg, struct device_node *np) return ret; cdev = &led->cdev; - cdev->brightness_set = lpg_brightness_single_set; + cdev->brightness_set_blocking = lpg_brightness_single_set; cdev->blink_set = lpg_blink_single_set; /* Register pattern accessors only if we have a LUT block */ @@ -1151,7 +1157,7 @@ static int lpg_add_led(struct lpg *lpg, struct device_node *np) else cdev->brightness = LED_OFF; - cdev->brightness_set(cdev, cdev->brightness); + cdev->brightness_set_blocking(cdev, cdev->brightness); init_data.fwnode = of_fwnode_handle(np); |