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-rw-r--r--Documentation/leds/leds-lp5521.txt19
-rw-r--r--Documentation/leds/leds-lp5562.txt15
-rw-r--r--drivers/leds/leds-lp5521.c19
-rw-r--r--drivers/leds/leds-lp5562.c14
-rw-r--r--include/linux/platform_data/leds-lp55xx.h22
5 files changed, 27 insertions, 62 deletions
diff --git a/Documentation/leds/leds-lp5521.txt b/Documentation/leds/leds-lp5521.txt
index 270f57196339..79e4c2e6e5e8 100644
--- a/Documentation/leds/leds-lp5521.txt
+++ b/Documentation/leds/leds-lp5521.txt
@@ -81,22 +81,3 @@ static struct lp55xx_platform_data lp5521_platform_data = {
If the current is set to 0 in the platform data, that channel is
disabled and it is not visible in the sysfs.
-
-The 'update_config' : CONFIG register (ADDR 08h)
-This value is platform-specific data.
-If update_config is not defined, the CONFIG register is set with
-'LP5521_PWRSAVE_EN | LP5521_CP_MODE_AUTO | LP5521_R_TO_BATT'.
-(Enable auto-powersave, set charge pump to auto, red to battery)
-
-example of update_config :
-
-#define LP5521_CONFIGS (LP5521_PWM_HF | LP5521_PWRSAVE_EN | \
- LP5521_CP_MODE_AUTO | LP5521_R_TO_BATT | \
- LP5521_CLK_INT)
-
-static struct lp55xx_platform_data lp5521_pdata = {
- .led_config = lp5521_led_config,
- .num_channels = ARRAY_SIZE(lp5521_led_config),
- .clock_mode = LP55XX_CLOCK_INT,
- .update_config = LP5521_CONFIGS,
-};
diff --git a/Documentation/leds/leds-lp5562.txt b/Documentation/leds/leds-lp5562.txt
index 96061000dd93..5a823ff6b393 100644
--- a/Documentation/leds/leds-lp5562.txt
+++ b/Documentation/leds/leds-lp5562.txt
@@ -118,18 +118,3 @@ static struct lp55xx_platform_data lp5562_platform_data = {
If the current is set to 0 in the platform data, that channel is
disabled and it is not visible in the sysfs.
-
-The 'update_config' : CONFIG register (ADDR 08h)
-This value is platform-specific data.
-If update_config is not defined, the CONFIG register is set with
-'LP5562_PWRSAVE_EN | LP5562_CLK_AUTO'.
-(Enable auto-powersave, set automatic clock source selection)
-
-#define LP5562_CONFIGS (LP5562_PWM_HF | LP5562_PWRSAVE_EN | \
- LP5562_CLK_SRC_EXT)
-
-static struct lp55xx_platform_data lp5562_pdata = {
- .led_config = lp5562_led_config,
- .num_channels = ARRAY_SIZE(lp5562_led_config),
- .update_config = LP5562_CONFIGS,
-};
diff --git a/drivers/leds/leds-lp5521.c b/drivers/leds/leds-lp5521.c
index 7f10304219ea..19752c928aa2 100644
--- a/drivers/leds/leds-lp5521.c
+++ b/drivers/leds/leds-lp5521.c
@@ -68,6 +68,18 @@
#define LP5521_ENABLE_RUN_PROGRAM \
(LP5521_ENABLE_DEFAULT | LP5521_EXEC_RUN)
+/* CONFIG register */
+#define LP5521_PWM_HF 0x40 /* PWM: 0 = 256Hz, 1 = 558Hz */
+#define LP5521_PWRSAVE_EN 0x20 /* 1 = Power save mode */
+#define LP5521_CP_MODE_OFF 0 /* Charge pump (CP) off */
+#define LP5521_CP_MODE_BYPASS 8 /* CP forced to bypass mode */
+#define LP5521_CP_MODE_1X5 0x10 /* CP forced to 1.5x mode */
+#define LP5521_CP_MODE_AUTO 0x18 /* Automatic mode selection */
+#define LP5521_R_TO_BATT 0x04 /* R out: 0 = CP, 1 = Vbat */
+#define LP5521_CLK_INT 0x01 /* Internal clock */
+#define LP5521_DEFAULT_CFG \
+ (LP5521_PWM_HF | LP5521_PWRSAVE_EN | LP5521_CP_MODE_AUTO)
+
/* Status */
#define LP5521_EXT_CLK_USED 0x08
@@ -296,8 +308,11 @@ static int lp5521_post_init_device(struct lp55xx_chip *chip)
/* Set all PWMs to direct control mode */
ret = lp55xx_write(chip, LP5521_REG_OP_MODE, LP5521_CMD_DIRECT);
- val = chip->pdata->update_config ?
- : (LP5521_PWRSAVE_EN | LP5521_CP_MODE_AUTO | LP5521_R_TO_BATT);
+ /* Update configuration for the clock setting */
+ val = LP5521_DEFAULT_CFG;
+ if (!lp55xx_is_extclk_used(chip))
+ val |= LP5521_CLK_INT;
+
ret = lp55xx_write(chip, LP5521_REG_CONFIG, val);
if (ret)
return ret;
diff --git a/drivers/leds/leds-lp5562.c b/drivers/leds/leds-lp5562.c
index f8b927788c3a..513f2390ca2d 100644
--- a/drivers/leds/leds-lp5562.c
+++ b/drivers/leds/leds-lp5562.c
@@ -71,8 +71,10 @@
/* CONFIG Register 08h */
#define LP5562_REG_CONFIG 0x08
-#define LP5562_DEFAULT_CFG \
- (LP5562_PWM_HF | LP5562_PWRSAVE_EN | LP5562_CLK_INT)
+#define LP5562_PWM_HF 0x40
+#define LP5562_PWRSAVE_EN 0x20
+#define LP5562_CLK_INT 0x01 /* Internal clock */
+#define LP5562_DEFAULT_CFG (LP5562_PWM_HF | LP5562_PWRSAVE_EN)
/* RESET Register 0Dh */
#define LP5562_REG_RESET 0x0D
@@ -280,7 +282,7 @@ static void lp5562_firmware_loaded(struct lp55xx_chip *chip)
static int lp5562_post_init_device(struct lp55xx_chip *chip)
{
int ret;
- u8 update_cfg = chip->pdata->update_config ? : LP5562_DEFAULT_CFG;
+ u8 cfg = LP5562_DEFAULT_CFG;
/* Set all PWMs to direct control mode */
ret = lp55xx_write(chip, LP5562_REG_OP_MODE, LP5562_CMD_DIRECT);
@@ -289,7 +291,11 @@ static int lp5562_post_init_device(struct lp55xx_chip *chip)
lp5562_wait_opmode_done();
- ret = lp55xx_write(chip, LP5562_REG_CONFIG, update_cfg);
+ /* Update configuration for the clock setting */
+ if (!lp55xx_is_extclk_used(chip))
+ cfg |= LP5562_CLK_INT;
+
+ ret = lp55xx_write(chip, LP5562_REG_CONFIG, cfg);
if (ret)
return ret;
diff --git a/include/linux/platform_data/leds-lp55xx.h b/include/linux/platform_data/leds-lp55xx.h
index 1f1041e8b4fc..202e290faea8 100644
--- a/include/linux/platform_data/leds-lp55xx.h
+++ b/include/linux/platform_data/leds-lp55xx.h
@@ -20,25 +20,6 @@
#define LP55XX_CLOCK_INT 1
#define LP55XX_CLOCK_EXT 2
-/* Bits in LP5521 CONFIG register. 'update_config' in lp55xx_platform_data */
-#define LP5521_PWM_HF 0x40 /* PWM: 0 = 256Hz, 1 = 558Hz */
-#define LP5521_PWRSAVE_EN 0x20 /* 1 = Power save mode */
-#define LP5521_CP_MODE_OFF 0 /* Charge pump (CP) off */
-#define LP5521_CP_MODE_BYPASS 8 /* CP forced to bypass mode */
-#define LP5521_CP_MODE_1X5 0x10 /* CP forced to 1.5x mode */
-#define LP5521_CP_MODE_AUTO 0x18 /* Automatic mode selection */
-#define LP5521_R_TO_BATT 4 /* R out: 0 = CP, 1 = Vbat */
-#define LP5521_CLK_SRC_EXT 0 /* Ext-clk source (CLK_32K) */
-#define LP5521_CLK_INT 1 /* Internal clock */
-#define LP5521_CLK_AUTO 2 /* Automatic clock selection */
-
-/* Bits in LP5562 CONFIG register */
-#define LP5562_PWM_HF LP5521_PWM_HF
-#define LP5562_PWRSAVE_EN LP5521_PWRSAVE_EN
-#define LP5562_CLK_SRC_EXT LP5521_CLK_SRC_EXT
-#define LP5562_CLK_INT LP5521_CLK_INT
-#define LP5562_CLK_AUTO LP5521_CLK_AUTO
-
struct lp55xx_led_config {
const char *name;
u8 chan_nr;
@@ -86,9 +67,6 @@ struct lp55xx_platform_data {
/* Predefined pattern data */
struct lp55xx_predef_pattern *patterns;
unsigned int num_patterns;
-
- /* _CONFIG register */
- u8 update_config;
};
#endif /* _LEDS_LP55XX_H */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.