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leds: el15203000: Introduce to_el15203000_led() helper

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Introduce a helper to replace open coded container_of() calls.
At the same time move ldev member to be first in the struct el15203000_led,
that makes container_of() effectivelly a no-op.

Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
This commit is contained in:
Andy Shevchenko 2021-05-10 12:50:23 +03:00 committed by Pavel Machek
parent 0ac40af860
commit a43a4e588e
1 changed files with 7 additions and 13 deletions
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20
drivers/leds/leds-el15203000.c
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@ -68,8 +68,8 @@ enum el15203000_command {
};
struct el15203000_led {
struct el15203000 *priv;
struct led_classdev ldev;
struct el15203000 *priv;
u32 reg;
};
@ -82,6 +82,8 @@ struct el15203000 {
struct el15203000_led leds[];
};
#define to_el15203000_led(d) container_of(d, struct el15203000_led, ldev)
static int el15203000_cmd(struct el15203000_led *led, u8 brightness)
{
int ret;
@ -128,9 +130,7 @@ static int el15203000_cmd(struct el15203000_led *led, u8 brightness)
static int el15203000_set_blocking(struct led_classdev *ldev,
enum led_brightness brightness)
{
struct el15203000_led *led = container_of(ldev,
struct el15203000_led,
ldev);
struct el15203000_led *led = to_el15203000_led(ldev);
return el15203000_cmd(led, brightness == LED_OFF ? EL_OFF : EL_ON);
}
@ -139,9 +139,7 @@ static int el15203000_pattern_set_S(struct led_classdev *ldev,
struct led_pattern *pattern,
u32 len, int repeat)
{
struct el15203000_led *led = container_of(ldev,
struct el15203000_led,
ldev);
struct el15203000_led *led = to_el15203000_led(ldev);
if (repeat > 0 || len != 2 ||
pattern[0].delta_t != 4000 || pattern[0].brightness != 0 ||
@ -192,10 +190,8 @@ static int el15203000_pattern_set_P(struct led_classdev *ldev,
struct led_pattern *pattern,
u32 len, int repeat)
{
struct el15203000_led *led = to_el15203000_led(ldev);
u8 cmd;
struct el15203000_led *led = container_of(ldev,
struct el15203000_led,
ldev);
if (repeat > 0)
return -EINVAL;
@ -232,9 +228,7 @@ static int el15203000_pattern_set_P(struct led_classdev *ldev,
static int el15203000_pattern_clear(struct led_classdev *ldev)
{
struct el15203000_led *led = container_of(ldev,
struct el15203000_led,
ldev);
struct el15203000_led *led = to_el15203000_led(ldev);
return el15203000_cmd(led, EL_OFF);
}