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[PULL 3/7] hw/misc/led: Emit a trace event when LED intensity has change
From: |
Philippe Mathieu-Daudé |
Subject: |
[PULL 3/7] hw/misc/led: Emit a trace event when LED intensity has changed |
Date: |
Mon, 26 Oct 2020 23:06:20 +0100 |
Track the LED intensity, and emit a trace event when it changes.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Luc Michel <luc.michel@greensocs.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20200912134041.946260-4-f4bug@amsat.org>
---
hw/misc/led.c | 4 ++++
hw/misc/trace-events | 1 +
2 files changed, 5 insertions(+)
diff --git a/hw/misc/led.c b/hw/misc/led.c
index c5fa09a613a..5266d026d0b 100644
--- a/hw/misc/led.c
+++ b/hw/misc/led.c
@@ -41,6 +41,10 @@ void led_set_intensity(LEDState *s, unsigned
intensity_percent)
intensity_percent = LED_INTENSITY_PERCENT_MAX;
}
trace_led_set_intensity(s->description, s->color, intensity_percent);
+ if (intensity_percent != s->intensity_percent) {
+ trace_led_change_intensity(s->description, s->color,
+ s->intensity_percent, intensity_percent);
+ }
s->intensity_percent = intensity_percent;
}
diff --git a/hw/misc/trace-events b/hw/misc/trace-events
index 2b6310dbe4b..6bf7ce863fb 100644
--- a/hw/misc/trace-events
+++ b/hw/misc/trace-events
@@ -225,6 +225,7 @@ grlib_apb_pnp_read(uint64_t addr, uint32_t value) "APB PnP
read addr:0x%03"PRIx6
# led.c
led_set_intensity(const char *color, const char *desc, uint8_t
intensity_percent) "LED desc:'%s' color:%s intensity: %u%%"
+led_change_intensity(const char *color, const char *desc, uint8_t
old_intensity_percent, uint8_t new_intensity_percent) "LED desc:'%s' color:%s
intensity %u%% -> %u%%"
# pca9552.c
pca955x_gpio_status(const char *description, const char *buf) "%s GPIOs 0-15
[%s]"
--
2.26.2
- [PULL 0/7] LED API patches for 2020-10-26, Philippe Mathieu-Daudé, 2020/10/26
- [PULL 3/7] hw/misc/led: Emit a trace event when LED intensity has changed,
Philippe Mathieu-Daudé <=
- [PULL 1/7] hw/misc/led: Add a LED device, Philippe Mathieu-Daudé, 2020/10/26
- [PULL 2/7] hw/misc/led: Allow connecting from GPIO output, Philippe Mathieu-Daudé, 2020/10/26
- [PULL 4/7] hw/arm/aspeed: Add the 3 front LEDs drived by the PCA9552 #1, Philippe Mathieu-Daudé, 2020/10/26
- [PULL 5/7] hw/misc/mps2-fpgaio: Use the LED device, Philippe Mathieu-Daudé, 2020/10/26
- [PULL 6/7] hw/misc/mps2-scc: Use the LED device, Philippe Mathieu-Daudé, 2020/10/26
- [PULL 7/7] hw/arm/tosa: Replace fprintf() calls by LED devices, Philippe Mathieu-Daudé, 2020/10/26
- Re: [PULL 0/7] LED API patches for 2020-10-26, Peter Maydell, 2020/10/28