diff options
Diffstat (limited to 'target/linux/mvebu/patches-5.10/910-drivers-leds-wt61p803-puzzle-improvements.patch')
-rw-r--r-- | target/linux/mvebu/patches-5.10/910-drivers-leds-wt61p803-puzzle-improvements.patch | 271 |
1 files changed, 0 insertions, 271 deletions
diff --git a/target/linux/mvebu/patches-5.10/910-drivers-leds-wt61p803-puzzle-improvements.patch b/target/linux/mvebu/patches-5.10/910-drivers-leds-wt61p803-puzzle-improvements.patch deleted file mode 100644 index 150a65498c..0000000000 --- a/target/linux/mvebu/patches-5.10/910-drivers-leds-wt61p803-puzzle-improvements.patch +++ /dev/null @@ -1,271 +0,0 @@ ---- a/drivers/leds/leds-iei-wt61p803-puzzle.c -+++ b/drivers/leds/leds-iei-wt61p803-puzzle.c -@@ -9,9 +9,13 @@ - #include <linux/mfd/iei-wt61p803-puzzle.h> - #include <linux/mod_devicetable.h> - #include <linux/module.h> -+#include <linux/of.h> - #include <linux/platform_device.h> - #include <linux/property.h> - #include <linux/slab.h> -+#include <linux/workqueue.h> -+ -+#define IEI_LEDS_MAX 4 - - enum iei_wt61p803_puzzle_led_state { - IEI_LED_OFF = 0x30, -@@ -33,7 +37,11 @@ struct iei_wt61p803_puzzle_led { - struct iei_wt61p803_puzzle *mcu; - unsigned char response_buffer[IEI_WT61P803_PUZZLE_BUF_SIZE]; - struct mutex lock; /* mutex to protect led_power_state */ -+ struct work_struct work; - int led_power_state; -+ int id; -+ u8 blinking; -+ bool active_low; - }; - - static inline struct iei_wt61p803_puzzle_led *cdev_to_iei_wt61p803_puzzle_led -@@ -51,10 +59,18 @@ static int iei_wt61p803_puzzle_led_brigh - size_t reply_size; - int ret; - -+ if (priv->blinking) { -+ if (brightness == LED_OFF) -+ priv->blinking = 0; -+ else -+ return 0; -+ } -+ - led_power_cmd[0] = IEI_WT61P803_PUZZLE_CMD_HEADER_START; - led_power_cmd[1] = IEI_WT61P803_PUZZLE_CMD_LED; -- led_power_cmd[2] = IEI_WT61P803_PUZZLE_CMD_LED_POWER; -- led_power_cmd[3] = brightness == LED_OFF ? IEI_LED_OFF : IEI_LED_ON; -+ led_power_cmd[2] = IEI_WT61P803_PUZZLE_CMD_LED_SET(priv->id); -+ led_power_cmd[3] = ((brightness == LED_OFF) ^ priv->active_low) ? -+ IEI_LED_OFF : priv->blinking?priv->blinking:IEI_LED_ON; - - ret = iei_wt61p803_puzzle_write_command(priv->mcu, led_power_cmd, - sizeof(led_power_cmd), -@@ -90,39 +106,166 @@ static enum led_brightness iei_wt61p803_ - return led_state; - } - -+static void iei_wt61p803_puzzle_led_apply_blink(struct work_struct *work) -+{ -+ struct iei_wt61p803_puzzle_led *priv = container_of(work, struct iei_wt61p803_puzzle_led, work); -+ unsigned char led_blink_cmd[5] = {}; -+ unsigned char resp_buf[IEI_WT61P803_PUZZLE_BUF_SIZE]; -+ size_t reply_size; -+ -+ led_blink_cmd[0] = IEI_WT61P803_PUZZLE_CMD_HEADER_START; -+ led_blink_cmd[1] = IEI_WT61P803_PUZZLE_CMD_LED; -+ led_blink_cmd[2] = IEI_WT61P803_PUZZLE_CMD_LED_SET(priv->id); -+ led_blink_cmd[3] = priv->blinking; -+ -+ iei_wt61p803_puzzle_write_command(priv->mcu, led_blink_cmd, -+ sizeof(led_blink_cmd), -+ resp_buf, -+ &reply_size); -+ -+ return; -+} -+ -+static int iei_wt61p803_puzzle_led_set_blink(struct led_classdev *cdev, -+ unsigned long *delay_on, -+ unsigned long *delay_off) -+{ -+ struct iei_wt61p803_puzzle_led *priv = cdev_to_iei_wt61p803_puzzle_led(cdev); -+ u8 blink_mode = 0; -+ int ret = 0; -+ -+ /* set defaults */ -+ if (!*delay_on && !*delay_off) { -+ *delay_on = 500; -+ *delay_off = 500; -+ } -+ -+ /* minimum delay for soft-driven blinking is 100ms to keep load low */ -+ if (*delay_on < 100) -+ *delay_on = 100; -+ -+ if (*delay_off < 100) -+ *delay_off = 100; -+ -+ /* offload blinking to hardware, if possible */ -+ if (*delay_on != *delay_off) { -+ ret = -EINVAL; -+ } else if (*delay_on == 100) { -+ blink_mode = IEI_LED_BLINK_5HZ; -+ *delay_on = 100; -+ *delay_off = 100; -+ } else if (*delay_on <= 500) { -+ blink_mode = IEI_LED_BLINK_1HZ; -+ *delay_on = 500; -+ *delay_off = 500; -+ } else { -+ ret = -EINVAL; -+ } -+ -+ mutex_lock(&priv->lock); -+ priv->blinking = blink_mode; -+ mutex_unlock(&priv->lock); -+ -+ if (blink_mode) -+ schedule_work(&priv->work); -+ -+ return ret; -+} -+ -+ -+static int iei_wt61p803_puzzle_led_set_dt_default(struct led_classdev *cdev, -+ struct device_node *np) -+{ -+ const char *state; -+ int ret = 0; -+ -+ state = of_get_property(np, "default-state", NULL); -+ if (state) { -+ if (!strcmp(state, "on")) { -+ ret = -+ iei_wt61p803_puzzle_led_brightness_set_blocking( -+ cdev, cdev->max_brightness); -+ } else { -+ ret = iei_wt61p803_puzzle_led_brightness_set_blocking( -+ cdev, LED_OFF); -+ } -+ } -+ -+ return ret; -+} -+ - static int iei_wt61p803_puzzle_led_probe(struct platform_device *pdev) - { - struct device *dev = &pdev->dev; -+ struct device_node *np = dev_of_node(dev); -+ struct device_node *child; - struct iei_wt61p803_puzzle *mcu = dev_get_drvdata(dev->parent); - struct iei_wt61p803_puzzle_led *priv; -- struct led_init_data init_data = {}; -- struct fwnode_handle *child; - int ret; -+ u32 reg; - -- if (device_get_child_node_count(dev) != 1) -+ if (device_get_child_node_count(dev) > IEI_LEDS_MAX) - return -EINVAL; - -- priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); -- if (!priv) -- return -ENOMEM; -- -- priv->mcu = mcu; -- priv->led_power_state = 1; -- mutex_init(&priv->lock); -- dev_set_drvdata(dev, priv); -- -- child = device_get_next_child_node(dev, NULL); -- init_data.fwnode = child; -- -- priv->cdev.brightness_set_blocking = iei_wt61p803_puzzle_led_brightness_set_blocking; -- priv->cdev.brightness_get = iei_wt61p803_puzzle_led_brightness_get; -- priv->cdev.max_brightness = 1; -+ for_each_available_child_of_node(np, child) { -+ struct led_init_data init_data = {}; - -- ret = devm_led_classdev_register_ext(dev, &priv->cdev, &init_data); -- if (ret) -- dev_err(dev, "Could not register LED\n"); -+ ret = of_property_read_u32(child, "reg", ®); -+ if (ret) { -+ dev_err(dev, "Failed to read led 'reg' property\n"); -+ goto put_child_node; -+ } -+ -+ if (reg > IEI_LEDS_MAX) { -+ dev_err(dev, "Invalid led reg %u\n", reg); -+ ret = -EINVAL; -+ goto put_child_node; -+ } -+ -+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); -+ if (!priv) { -+ ret = -ENOMEM; -+ goto put_child_node; -+ } -+ -+ mutex_init(&priv->lock); -+ -+ dev_set_drvdata(dev, priv); -+ -+ if (of_property_read_bool(child, "active-low")) -+ priv->active_low = true; -+ -+ priv->mcu = mcu; -+ priv->id = reg; -+ priv->led_power_state = 1; -+ priv->blinking = 0; -+ init_data.fwnode = of_fwnode_handle(child); -+ -+ priv->cdev.brightness_set_blocking = iei_wt61p803_puzzle_led_brightness_set_blocking; -+ priv->cdev.brightness_get = iei_wt61p803_puzzle_led_brightness_get; -+ priv->cdev.blink_set = iei_wt61p803_puzzle_led_set_blink; -+ -+ priv->cdev.max_brightness = 1; -+ -+ INIT_WORK(&priv->work, iei_wt61p803_puzzle_led_apply_blink); -+ -+ ret = iei_wt61p803_puzzle_led_set_dt_default(&priv->cdev, child); -+ if (ret) { -+ dev_err(dev, "Could apply default from DT\n"); -+ goto put_child_node; -+ } -+ -+ ret = devm_led_classdev_register_ext(dev, &priv->cdev, &init_data); -+ if (ret) { -+ dev_err(dev, "Could not register LED\n"); -+ goto put_child_node; -+ } -+ } -+ -+ return ret; - -- fwnode_handle_put(child); -+put_child_node: -+ of_node_put(child); - return ret; - } - ---- a/include/linux/mfd/iei-wt61p803-puzzle.h -+++ b/include/linux/mfd/iei-wt61p803-puzzle.h -@@ -36,7 +36,7 @@ - #define IEI_WT61P803_PUZZLE_CMD_FUNCTION_OTHER_POWER_LOSS 0x41 /* A */ - - #define IEI_WT61P803_PUZZLE_CMD_LED 0x52 /* R */ --#define IEI_WT61P803_PUZZLE_CMD_LED_POWER 0x31 /* 1 */ -+#define IEI_WT61P803_PUZZLE_CMD_LED_SET(n) (0x30 | (n)) - - #define IEI_WT61P803_PUZZLE_CMD_TEMP 0x54 /* T */ - #define IEI_WT61P803_PUZZLE_CMD_TEMP_ALL 0x41 /* A */ ---- a/drivers/mfd/iei-wt61p803-puzzle.c -+++ b/drivers/mfd/iei-wt61p803-puzzle.c -@@ -176,6 +176,9 @@ static int iei_wt61p803_puzzle_recv_buf( - struct iei_wt61p803_puzzle *mcu = serdev_device_get_drvdata(serdev); - int ret; - -+ print_hex_dump_debug("puzzle-mcu rx: ", DUMP_PREFIX_NONE, -+ 16, 1, data, size, false); -+ - ret = iei_wt61p803_puzzle_process_resp(mcu, data, size); - /* Return the number of processed bytes if function returns error, - * discard the remaining incoming data, since the frame this data -@@ -246,6 +249,9 @@ int iei_wt61p803_puzzle_write_command(st - - cmd[size - 1] = iei_wt61p803_puzzle_checksum(cmd, size - 1); - -+ print_hex_dump_debug("puzzle-mcu tx: ", DUMP_PREFIX_NONE, -+ 16, 1, cmd, size, false); -+ - /* Initialize reply struct */ - reinit_completion(&mcu->reply->received); - mcu->reply->size = 0; |