diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2023-01-03 15:12:55 +0200 |
|---|---|---|
| committer | Lee Jones <lee@kernel.org> | 2023-01-30 08:03:42 +0000 |
| commit | 265d313ee6072e26f55bb1b5455f6e92424a7989 (patch) | |
| tree | 1b6b661e7429dedf6dcefe7a9c752f9da142e3e4 | |
| parent | bf8a9a7684460b1a39bfcf0f45eb758fa367b088 (diff) | |
leds: syscon: Get rid of custom led_init_default_state_get()
LED core provides a helper to parse default state from firmware node.
Use it instead of custom implementation.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20230103131256.33894-11-andriy.shevchenko@linux.intel.com
| -rw-r--r-- | drivers/leds/leds-syscon.c | 49 |
1 files changed, 23 insertions, 26 deletions
diff --git a/drivers/leds/leds-syscon.c b/drivers/leds/leds-syscon.c index 7eddb8ecb44e..e38abb5e60c1 100644 --- a/drivers/leds/leds-syscon.c +++ b/drivers/leds/leds-syscon.c @@ -61,7 +61,8 @@ static int syscon_led_probe(struct platform_device *pdev) struct device *parent; struct regmap *map; struct syscon_led *sled; - const char *state; + enum led_default_state state; + u32 value; int ret; parent = dev->parent; @@ -86,34 +87,30 @@ static int syscon_led_probe(struct platform_device *pdev) if (of_property_read_u32(np, "mask", &sled->mask)) return -EINVAL; - state = of_get_property(np, "default-state", NULL); - if (state) { - if (!strcmp(state, "keep")) { - u32 val; - - ret = regmap_read(map, sled->offset, &val); - if (ret < 0) - return ret; - sled->state = !!(val & sled->mask); - } else if (!strcmp(state, "on")) { - sled->state = true; - ret = regmap_update_bits(map, sled->offset, - sled->mask, - sled->mask); - if (ret < 0) - return ret; - } else { - sled->state = false; - ret = regmap_update_bits(map, sled->offset, - sled->mask, 0); - if (ret < 0) - return ret; - } + init_data.fwnode = of_fwnode_handle(np); + + state = led_init_default_state_get(init_data.fwnode); + switch (state) { + case LEDS_DEFSTATE_ON: + ret = regmap_update_bits(map, sled->offset, sled->mask, sled->mask); + if (ret < 0) + return ret; + sled->state = true; + break; + case LEDS_DEFSTATE_KEEP: + ret = regmap_read(map, sled->offset, &value); + if (ret < 0) + return ret; + sled->state = !!(value & sled->mask); + break; + default: + ret = regmap_update_bits(map, sled->offset, sled->mask, 0); + if (ret < 0) + return ret; + sled->state = false; } sled->cdev.brightness_set = syscon_led_set; - init_data.fwnode = of_fwnode_handle(np); - ret = devm_led_classdev_register_ext(dev, &sled->cdev, &init_data); if (ret < 0) return ret; |