# \[PATCH 0/3\] Input/omap1: fix touchscreen functionality on Nokia 770

- From: Aaro Koskinen \<aaro.koskinen@iki.fi\>
- Date: 2025-01-02 18:20:09 
- List: linux-fbdev
- Page: https://ratatoskr.run/linux-fbdev/2025/01/2875315
- Thread: https://ratatoskr.run/linux-fbdev/2025/01/2875315/t.md

```text
Hi all,

This series restores the ads7846 touchscreen functionality on Nokia 770
(and maybe on some other older boards using half-duplex SPI). While the
performance might not be optimal, it's again possible to control the device
using the screen, for testing/development purposes at least.

A.

Aaro Koskinen (3):
  fbdev: omap: use threaded IRQ for LCD DMA
  Input: ads7846 - fix up the pendown GPIO setup on Nokia 770
  Input: ads7846 - restore half-duplex support

 arch/arm/mach-omap1/board-nokia770.c |   2 +-
 drivers/input/touchscreen/ads7846.c  | 171 ++++++++++++++++++++++++++-
 drivers/video/fbdev/omap/lcd_dma.c   |   4 +-
 3 files changed, 171 insertions(+), 6 deletions(-)

-- 
2.39.2

```