Differenze
Queste sono le differenze tra la revisione selezionata e la versione attuale della pagina.
Prossima revisione | Revisione precedente | ||
notes:arm [05/11/2017 15:40] alez created |
notes:arm [25/11/2017 10:34] alez [touch] |
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Linea 3: | Linea 3: | ||
Especially related to AT91SAM9G25 and AT91SAMA5D3 SoCs. | Especially related to AT91SAM9G25 and AT91SAMA5D3 SoCs. | ||
+ | ===== touch ===== | ||
[[http://free-electrons.com/blog/linux-3-16/]] says | [[http://free-electrons.com/blog/linux-3-16/]] says | ||
> Huge cleanup of ADC/touchscreen handling: improvements in the IIO at91_adc driver to support more SoC families, and conversions of several Atmel platforms to use this driver, and then finally removal of the old atmel_tsadcc driver. | > Huge cleanup of ADC/touchscreen handling: improvements in the IIO at91_adc driver to support more SoC families, and conversions of several Atmel platforms to use this driver, and then finally removal of the old atmel_tsadcc driver. | ||
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+ | |||
+ | <code> | ||
+ | root@acqua:/# xinput_calibrator | ||
+ | Setting calibration data: 0, 4095, 0, 4095 | ||
+ | Calibrating EVDEV driver for "at91_adc" id=6 | ||
+ | current calibration values (from XInput): min_x=0, max_x=4095 and min_y=0, max_y=4095 | ||
+ | |||
+ | Doing dynamic recalibration: | ||
+ | Setting calibration data: 419, 3640, 357, 3781 | ||
+ | --> Making the calibration permanent <-- | ||
+ | copy the snippet below into '/etc/X11/xorg.conf.d/99-calibration.conf' (/usr/share/X11/xorg.conf.d/ in some distro's) | ||
+ | Section "InputClass" | ||
+ | Identifier "calibration" | ||
+ | MatchProduct "at91_adc" | ||
+ | Option "Calibration" "419 3640 357 3781" | ||
+ | Option "SwapAxes" "0" | ||
+ | EndSection | ||
+ | </code> | ||
+ | ===== audio ===== | ||
+ | |||
+ | http://events.linuxfoundation.org/sites/events/files/slides/belloni-alsa-asoc_0.pdf | ||