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[93.34.90.105]) by smtp.googlemail.com with ESMTPSA id ffacd0b85a97d-366389b88easm16180589f8f.39.2024.06.26.09.00.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Jun 2024 09:00:39 -0700 (PDT) From: Christian Marangi To: Pavel Machek , Lee Jones , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jacek Anaszewski , linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Christian Marangi Subject: [PATCH v8 09/20] leds: leds-lp55xx: Generalize firmware_loaded function Date: Wed, 26 Jun 2024 18:00:14 +0200 Message-ID: <20240626160027.19703-10-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.45.1 In-Reply-To: <20240626160027.19703-1-ansuelsmth@gmail.com> References: <20240626160027.19703-1-ansuelsmth@gmail.com> Precedence: bulk X-Mailing-List: linux-leds@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Generalize firmware_loaded function as lp55xx based LED driver all share the same logic. Suggested-by: Lee Jones Signed-off-by: Christian Marangi --- 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, };