Differenze
Queste sono le differenze tra la revisione selezionata e la versione attuale della pagina.
| Prossima revisione | Revisione precedente | ||
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notes:arm [05/11/2017 15:40] alez created |
notes:arm [25/11/2017 10:34] (versione attuale) 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 | ||
