pinctrl: amd: Use unicode for debugfs output
The output is currently split across two lines making it more difficult to parse unless the newlines are removed between pins or it's read in by a parser like Libreoffice Calc or Google docs. To make it easier to follow to the naked eye in a terminal window: * drop the newline in the middle of pin definitions * shorten all output using unicode characters * align all pipe delimitters * output the same phrase even for disabled functions (but with a ∅ character) Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Link: https://lore.kernel.org/r/20220722220810.28894-2-mario.limonciello@amd.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Mario Limonciello
Linus Walleij
Родитель
dc24b7530d
Коммит
e8129a076a
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@ -202,8 +202,6 @@ static void amd_gpio_dbg_show(struct seq_file *s, struct gpio_chip *gc)
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struct amd_gpio *gpio_dev = gpiochip_get_data(gc);
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bool tmr_out_unit;
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unsigned int time;
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unsigned int unit;
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bool tmr_large;
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char *level_trig;
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@ -217,13 +215,14 @@ static void amd_gpio_dbg_show(struct seq_file *s, struct gpio_chip *gc)
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char *pull_up_sel;
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char *pull_up_enable;
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char *pull_down_enable;
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char *output_value;
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char *orientation;
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char *output_enable;
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char debounce_value[40];
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char *debounce_enable;
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for (bank = 0; bank < gpio_dev->hwbank_num; bank++) {
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seq_printf(s, "GPIO bank%d\n", bank);
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unsigned int time = 0;
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unsigned int unit = 0;
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switch (bank) {
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case 0:
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@ -246,8 +245,9 @@ static void amd_gpio_dbg_show(struct seq_file *s, struct gpio_chip *gc)
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/* Illegal bank number, ignore */
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continue;
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}
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seq_printf(s, "GPIO bank%d\n", bank);
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for (; i < pin_num; i++) {
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seq_printf(s, "pin%d\t", i);
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seq_printf(s, "📌%d\t", i);
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raw_spin_lock_irqsave(&gpio_dev->lock, flags);
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pin_reg = readl(gpio_dev->base + i * 4);
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raw_spin_unlock_irqrestore(&gpio_dev->lock, flags);
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@ -255,84 +255,91 @@ static void amd_gpio_dbg_show(struct seq_file *s, struct gpio_chip *gc)
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if (pin_reg & BIT(INTERRUPT_ENABLE_OFF)) {
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u8 level = (pin_reg >> ACTIVE_LEVEL_OFF) &
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ACTIVE_LEVEL_MASK;
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interrupt_enable = "interrupt is enabled|";
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interrupt_enable = "+";
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if (level == ACTIVE_LEVEL_HIGH)
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active_level = "Active high|";
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active_level = "↑";
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else if (level == ACTIVE_LEVEL_LOW)
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active_level = "Active low|";
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active_level = "↓";
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else if (!(pin_reg & BIT(LEVEL_TRIG_OFF)) &&
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level == ACTIVE_LEVEL_BOTH)
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active_level = "Active on both|";
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active_level = "b";
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else
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active_level = "Unknown Active level|";
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active_level = "?";
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if (pin_reg & BIT(LEVEL_TRIG_OFF))
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level_trig = "Level trigger|";
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level_trig = "level";
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else
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level_trig = "Edge trigger|";
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level_trig = " edge";
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} else {
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interrupt_enable =
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"interrupt is disabled|";
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active_level = " ";
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level_trig = " ";
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interrupt_enable = "∅";
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active_level = "∅";
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level_trig = " ∅";
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}
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if (pin_reg & BIT(INTERRUPT_MASK_OFF))
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interrupt_mask =
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"interrupt is unmasked|";
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interrupt_mask = "-";
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else
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interrupt_mask =
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"interrupt is masked|";
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interrupt_mask = "+";
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seq_printf(s, "int %s (🎭 %s)| active-%s| %s-🔫| ",
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interrupt_enable,
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interrupt_mask,
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active_level,
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level_trig);
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if (pin_reg & BIT(WAKE_CNTRL_OFF_S0I3))
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wake_cntrl0 = "enable wakeup in S0i3 state|";
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wake_cntrl0 = "+";
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else
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wake_cntrl0 = "disable wakeup in S0i3 state|";
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wake_cntrl0 = "∅";
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seq_printf(s, "S0i3 🌅 %s| ", wake_cntrl0);
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if (pin_reg & BIT(WAKE_CNTRL_OFF_S3))
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wake_cntrl1 = "enable wakeup in S3 state|";
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wake_cntrl1 = "+";
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else
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wake_cntrl1 = "disable wakeup in S3 state|";
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wake_cntrl1 = "∅";
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seq_printf(s, "S3 🌅 %s| ", wake_cntrl1);
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if (pin_reg & BIT(WAKE_CNTRL_OFF_S4))
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wake_cntrl2 = "enable wakeup in S4/S5 state|";
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wake_cntrl2 = "+";
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else
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wake_cntrl2 = "disable wakeup in S4/S5 state|";
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wake_cntrl2 = "∅";
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seq_printf(s, "S4/S5 🌅 %s| ", wake_cntrl2);
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if (pin_reg & BIT(PULL_UP_ENABLE_OFF)) {
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pull_up_enable = "pull-up is enabled|";
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pull_up_enable = "+";
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if (pin_reg & BIT(PULL_UP_SEL_OFF))
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pull_up_sel = "8k pull-up|";
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pull_up_sel = "8k";
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else
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pull_up_sel = "4k pull-up|";
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pull_up_sel = "4k";
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} else {
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pull_up_enable = "pull-up is disabled|";
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pull_up_sel = " ";
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pull_up_enable = "∅";
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pull_up_sel = " ";
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}
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seq_printf(s, "pull-↑ %s (%s)| ",
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pull_up_enable,
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pull_up_sel);
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if (pin_reg & BIT(PULL_DOWN_ENABLE_OFF))
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pull_down_enable = "pull-down is enabled|";
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pull_down_enable = "+";
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else
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pull_down_enable = "Pull-down is disabled|";
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pull_down_enable = "∅";
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seq_printf(s, "pull-↓ %s| ", pull_down_enable);
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if (pin_reg & BIT(OUTPUT_ENABLE_OFF)) {
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pin_sts = " ";
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output_enable = "output is enabled|";
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pin_sts = "output";
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if (pin_reg & BIT(OUTPUT_VALUE_OFF))
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output_value = "output is high|";
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orientation = "↑";
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else
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output_value = "output is low|";
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orientation = "↓";
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} else {
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output_enable = "output is disabled|";
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output_value = " ";
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pin_sts = "input ";
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if (pin_reg & BIT(PIN_STS_OFF))
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pin_sts = "input is high|";
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orientation = "↑";
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else
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pin_sts = "input is low|";
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orientation = "↓";
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}
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seq_printf(s, "%s %s| ", pin_sts, orientation);
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db_cntrl = (DB_CNTRl_MASK << DB_CNTRL_OFF) & pin_reg;
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if (db_cntrl) {
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@ -351,27 +358,18 @@ static void amd_gpio_dbg_show(struct seq_file *s, struct gpio_chip *gc)
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unit = 61;
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}
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if ((DB_TYPE_REMOVE_GLITCH << DB_CNTRL_OFF) == db_cntrl)
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debounce_enable = "debouncing filter (high and low) enabled|";
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debounce_enable = "b +";
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else if ((DB_TYPE_PRESERVE_LOW_GLITCH << DB_CNTRL_OFF) == db_cntrl)
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debounce_enable = "debouncing filter (low) enabled|";
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debounce_enable = "↓ +";
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else
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debounce_enable = "debouncing filter (high) enabled|";
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debounce_enable = "↑ +";
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snprintf(debounce_value, sizeof(debounce_value),
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"debouncing timeout is %u (us)|", time * unit);
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} else {
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debounce_enable = "debouncing filter disabled|";
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snprintf(debounce_value, sizeof(debounce_value), " ");
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debounce_enable = " ∅";
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}
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seq_printf(s, "%s %s %s %s %s %s\n"
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" %s %s %s %s %s %s %s %s %s 0x%x\n",
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level_trig, active_level, interrupt_enable,
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interrupt_mask, wake_cntrl0, wake_cntrl1,
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wake_cntrl2, pin_sts, pull_up_sel,
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pull_up_enable, pull_down_enable,
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output_value, output_enable,
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debounce_enable, debounce_value, pin_reg);
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snprintf(debounce_value, sizeof(debounce_value), "%u", time * unit);
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seq_printf(s, "debounce %s (⏰ %sus)| ", debounce_enable, debounce_value);
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seq_printf(s, " 0x%x\n", pin_reg);
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}
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}
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}
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