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Message-ID: <20240626160027.19703-10-ansuelsmth@gmail.com>
Date: Wed, 26 Jun 2024 18:00:14 +0200
From: Christian Marangi <ansuelsmth@...il.com>
To: Pavel Machek <pavel@....cz>,
Lee Jones <lee@...nel.org>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Jacek Anaszewski <jacek.anaszewski@...il.com>,
linux-leds@...r.kernel.org,
devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Cc: Christian Marangi <ansuelsmth@...il.com>
Subject: [PATCH v8 09/20] leds: leds-lp55xx: Generalize firmware_loaded function
Generalize firmware_loaded function as lp55xx based LED driver all share
the same logic.
Suggested-by: Lee Jones <lee@...nel.org>
Signed-off-by: Christian Marangi <ansuelsmth@...il.com>
---
drivers/leds/leds-lp5521.c | 22 +---------------------
drivers/leds/leds-lp5523.c | 22 +---------------------
drivers/leds/leds-lp5562.c | 26 +-------------------------
drivers/leds/leds-lp55xx-common.c | 25 +++++++++++++++++++++++++
drivers/leds/leds-lp55xx-common.h | 1 +
drivers/leds/leds-lp8501.c | 22 +---------------------
6 files changed, 30 insertions(+), 88 deletions(-)
diff --git a/drivers/leds/leds-lp5521.c b/drivers/leds/leds-lp5521.c
index 7ea3e5715f59..722b5cd9236e 100644
--- a/drivers/leds/leds-lp5521.c
+++ b/drivers/leds/leds-lp5521.c
@@ -146,26 +146,6 @@ static void lp5521_run_engine(struct lp55xx_chip *chip, bool start)
lp5521_wait_enable_done();
}
-static void lp5521_firmware_loaded(struct lp55xx_chip *chip)
-{
- const struct firmware *fw = chip->fw;
-
- if (fw->size > LP5521_PROGRAM_LENGTH) {
- dev_err(&chip->cl->dev, "firmware data size overflow: %zu\n",
- fw->size);
- return;
- }
-
- /*
- * Program memory sequence
- * 1) set engine mode to "LOAD"
- * 2) write firmware data into program memory
- */
-
- lp55xx_load_engine(chip);
- lp55xx_update_program_memory(chip, fw->data, fw->size);
-}
-
static int lp5521_post_init_device(struct lp55xx_chip *chip)
{
int ret;
@@ -413,7 +393,7 @@ static struct lp55xx_device_config lp5521_cfg = {
.brightness_fn = lp5521_led_brightness,
.multicolor_brightness_fn = lp5521_multicolor_brightness,
.set_led_current = lp5521_set_led_current,
- .firmware_cb = lp5521_firmware_loaded,
+ .firmware_cb = lp55xx_firmware_loaded_cb,
.run_engine = lp5521_run_engine,
.dev_attr_group = &lp5521_group,
};
diff --git a/drivers/leds/leds-lp5523.c b/drivers/leds/leds-lp5523.c
index 395c57330484..5525d60c342c 100644
--- a/drivers/leds/leds-lp5523.c
+++ b/drivers/leds/leds-lp5523.c
@@ -254,26 +254,6 @@ static int lp5523_init_program_engine(struct lp55xx_chip *chip)
return ret;
}
-static void lp5523_firmware_loaded(struct lp55xx_chip *chip)
-{
- const struct firmware *fw = chip->fw;
-
- if (fw->size > LP5523_PROGRAM_LENGTH) {
- dev_err(&chip->cl->dev, "firmware data size overflow: %zu\n",
- fw->size);
- return;
- }
-
- /*
- * Program memory sequence
- * 1) set engine mode to "LOAD"
- * 2) write firmware data into program memory
- */
-
- lp55xx_load_engine(chip);
- lp55xx_update_program_memory(chip, fw->data, fw->size);
-}
-
static ssize_t show_engine_mode(struct device *dev,
struct device_attribute *attr,
char *buf, int nr)
@@ -785,7 +765,7 @@ static struct lp55xx_device_config lp5523_cfg = {
.brightness_fn = lp5523_led_brightness,
.multicolor_brightness_fn = lp5523_multicolor_brightness,
.set_led_current = lp5523_set_led_current,
- .firmware_cb = lp5523_firmware_loaded,
+ .firmware_cb = lp55xx_firmware_loaded_cb,
.run_engine = lp5523_run_engine,
.dev_attr_group = &lp5523_group,
};
diff --git a/drivers/leds/leds-lp5562.c b/drivers/leds/leds-lp5562.c
index 7f3733fc446e..e50b68c9ccf3 100644
--- a/drivers/leds/leds-lp5562.c
+++ b/drivers/leds/leds-lp5562.c
@@ -144,30 +144,6 @@ static void lp5562_run_engine(struct lp55xx_chip *chip, bool start)
lp5562_wait_enable_done();
}
-static void lp5562_firmware_loaded(struct lp55xx_chip *chip)
-{
- const struct firmware *fw = chip->fw;
-
- /*
- * the firmware is encoded in ascii hex character, with 2 chars
- * per byte
- */
- if (fw->size > (LP5562_PROGRAM_LENGTH * 2)) {
- dev_err(&chip->cl->dev, "firmware data size overflow: %zu\n",
- fw->size);
- return;
- }
-
- /*
- * Program memory sequence
- * 1) set engine mode to "LOAD"
- * 2) write firmware data into program memory
- */
-
- lp55xx_load_engine(chip);
- lp55xx_update_program_memory(chip, fw->data, fw->size);
-}
-
static int lp5562_post_init_device(struct lp55xx_chip *chip)
{
int ret;
@@ -404,7 +380,7 @@ static struct lp55xx_device_config lp5562_cfg = {
.set_led_current = lp5562_set_led_current,
.brightness_fn = lp5562_led_brightness,
.run_engine = lp5562_run_engine,
- .firmware_cb = lp5562_firmware_loaded,
+ .firmware_cb = lp55xx_firmware_loaded_cb,
.dev_attr_group = &lp5562_group,
};
diff --git a/drivers/leds/leds-lp55xx-common.c b/drivers/leds/leds-lp55xx-common.c
index 8c20d7b4bc82..1c9348ed3edc 100644
--- a/drivers/leds/leds-lp55xx-common.c
+++ b/drivers/leds/leds-lp55xx-common.c
@@ -217,6 +217,31 @@ int lp55xx_update_program_memory(struct lp55xx_chip *chip,
}
EXPORT_SYMBOL_GPL(lp55xx_update_program_memory);
+void lp55xx_firmware_loaded_cb(struct lp55xx_chip *chip)
+{
+ const struct firmware *fw = chip->fw;
+
+ /*
+ * the firmware is encoded in ascii hex character, with 2 chars
+ * per byte
+ */
+ if (fw->size > LP55xx_PROGRAM_LENGTH * 2) {
+ dev_err(&chip->cl->dev, "firmware data size overflow: %zu\n",
+ fw->size);
+ return;
+ }
+
+ /*
+ * Program memory sequence
+ * 1) set engine mode to "LOAD"
+ * 2) write firmware data into program memory
+ */
+
+ lp55xx_load_engine(chip);
+ lp55xx_update_program_memory(chip, fw->data, fw->size);
+}
+EXPORT_SYMBOL_GPL(lp55xx_firmware_loaded_cb);
+
static void lp55xx_reset_device(struct lp55xx_chip *chip)
{
const struct lp55xx_device_config *cfg = chip->cfg;
diff --git a/drivers/leds/leds-lp55xx-common.h b/drivers/leds/leds-lp55xx-common.h
index f0bbd41fdab3..cbc122c56828 100644
--- a/drivers/leds/leds-lp55xx-common.h
+++ b/drivers/leds/leds-lp55xx-common.h
@@ -212,6 +212,7 @@ extern void lp55xx_load_engine(struct lp55xx_chip *chip);
extern int lp55xx_run_engine_common(struct lp55xx_chip *chip);
extern int lp55xx_update_program_memory(struct lp55xx_chip *chip,
const u8 *data, size_t size);
+extern void lp55xx_firmware_loaded_cb(struct lp55xx_chip *chip);
/* common probe/remove function */
extern int lp55xx_probe(struct i2c_client *client);
diff --git a/drivers/leds/leds-lp8501.c b/drivers/leds/leds-lp8501.c
index d4094d20bdc1..1ea7bb73cd22 100644
--- a/drivers/leds/leds-lp8501.c
+++ b/drivers/leds/leds-lp8501.c
@@ -137,26 +137,6 @@ static void lp8501_run_engine(struct lp55xx_chip *chip, bool start)
lp55xx_run_engine_common(chip);
}
-static void lp8501_firmware_loaded(struct lp55xx_chip *chip)
-{
- const struct firmware *fw = chip->fw;
-
- if (fw->size > LP8501_PROGRAM_LENGTH) {
- dev_err(&chip->cl->dev, "firmware data size overflow: %zu\n",
- fw->size);
- return;
- }
-
- /*
- * Program memory sequence
- * 1) set engine mode to "LOAD"
- * 2) write firmware data into program memory
- */
-
- lp55xx_load_engine(chip);
- lp55xx_update_program_memory(chip, fw->data, fw->size);
-}
-
static int lp8501_led_brightness(struct lp55xx_led *led)
{
struct lp55xx_chip *chip = led->chip;
@@ -198,7 +178,7 @@ static struct lp55xx_device_config lp8501_cfg = {
.post_init_device = lp8501_post_init_device,
.brightness_fn = lp8501_led_brightness,
.set_led_current = lp8501_set_led_current,
- .firmware_cb = lp8501_firmware_loaded,
+ .firmware_cb = lp55xx_firmware_loaded_cb,
.run_engine = lp8501_run_engine,
};
--
2.45.1
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