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When a Fn key is used in combination with another key in ADB keyboards it will generate a Fn event and then a second event that can be a different key than pressed (Fn + F1 for instance can generate Fn + brightness down if it's configured like that). This enables the reporting of the Fn key to the input system. As Fn is a dead key for most purposes, it's useful to report it so applications can make use of it. One example is apple_mouse (https://jake.ruivo.org/uinputd/trunk/apple_mouse/) that emulates the second and third keys using a combination of keyboard keys and the mouse button. Other applications may use the KEY_FN as a modifier as well. I've been updating and using this patch for months without problems. Signed-off-by: Aristeu Rozanski <aris@ruivo.org> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org> |
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| .. | ||
| adb-iop.c | ||
| adb.c | ||
| adbhid.c | ||
| ans-lcd.c | ||
| ans-lcd.h | ||
| apm_emu.c | ||
| Kconfig | ||
| mac_hid.c | ||
| macio-adb.c | ||
| macio_asic.c | ||
| macio_sysfs.c | ||
| Makefile | ||
| mediabay.c | ||
| nvram.c | ||
| rack-meter.c | ||
| smu.c | ||
| therm_adt746x.c | ||
| therm_pm72.c | ||
| therm_pm72.h | ||
| therm_windtunnel.c | ||
| via-cuda.c | ||
| via-macii.c | ||
| via-maciisi.c | ||
| via-pmu-backlight.c | ||
| via-pmu-event.c | ||
| via-pmu-event.h | ||
| via-pmu-led.c | ||
| via-pmu.c | ||
| via-pmu68k.c | ||
| windfarm.h | ||
| windfarm_core.c | ||
| windfarm_cpufreq_clamp.c | ||
| windfarm_lm75_sensor.c | ||
| windfarm_max6690_sensor.c | ||
| windfarm_pid.c | ||
| windfarm_pid.h | ||
| windfarm_pm81.c | ||
| windfarm_pm91.c | ||
| windfarm_pm112.c | ||
| windfarm_smu_controls.c | ||
| windfarm_smu_sat.c | ||
| windfarm_smu_sensors.c | ||