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| author | Philippe Mathieu-Daudé | 2020-06-20 18:47:17 +0200 |
|---|---|---|
| committer | Philippe Mathieu-Daudé | 2020-10-26 13:44:58 +0100 |
| commit | 4aef43991afa70c3cb314881fd4bf0f3e1f8b41b (patch) | |
| tree | 30d436639c41e87e45a81c3647eef409142e3a7e /hw/misc | |
| parent | hw/misc/led: Allow connecting from GPIO output (diff) | |
| download | qemu-4aef43991afa70c3cb314881fd4bf0f3e1f8b41b.tar.gz qemu-4aef43991afa70c3cb314881fd4bf0f3e1f8b41b.tar.xz qemu-4aef43991afa70c3cb314881fd4bf0f3e1f8b41b.zip | |
hw/misc/led: Emit a trace event when LED intensity has changed
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>
Diffstat (limited to 'hw/misc')
| -rw-r--r-- | hw/misc/led.c | 4 | ||||
| -rw-r--r-- | hw/misc/trace-events | 1 |
2 files changed, 5 insertions, 0 deletions
diff --git a/hw/misc/led.c b/hw/misc/led.c index c5fa09a613..5266d026d0 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 2b6310dbe4..6bf7ce863f 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]" |