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linux/drivers/staging/fbtft
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Linus Walleij 453a4b6d8e staging: fbtft: Do not hardcode SPI CS polarity inversion 
The current use of the mode flag SPI_CS_HIGH is fragile: it
overwrites anything already assigned by the SPI core.

Assign ^= SPI_CS_HIGH since we might be active high
already, and that is usually the case with GPIOs used
for chip select, even if they are in practice active low.

Add a comment clarifying why ^= SPI_CS_HIGH is the right
choice here.

Reported-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20191204233230.22309-1-linus.walleij@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-10 10:56:53 +01:00
..
fb_agm1264k-fl.c
staging: fbtft: fb_agm1264k-fl.c: Replace bit shifting with BIT macro
2019-04-02 19:57:11 +02:00
fb_bd663474.c
Staging: fbtft: Fix GPIO handling
2019-07-25 10:09:29 +02:00
fb_hx8340bn.c
staging: fbtft: make several arrays static const, makes object smaller
2019-09-12 10:35:52 +01:00
fb_hx8347d.c
staging: fbtft: make several arrays static const, makes object smaller
2019-09-12 10:35:52 +01:00
fb_hx8353d.c
…
fb_hx8357d.c
…
fb_hx8357d.h
…
fb_ili9163.c
staging: fbtft: make several arrays static const, makes object smaller
2019-09-12 10:35:52 +01:00
fb_ili9320.c
staging: fbtft: make several arrays static const, makes object smaller
2019-09-12 10:35:52 +01:00
fb_ili9325.c
staging: fbtft: make several arrays static const, makes object smaller
2019-09-12 10:35:52 +01:00
fb_ili9340.c
…
fb_ili9341.c
…
fb_ili9481.c
…
fb_ili9486.c
…
fb_pcd8544.c
Staging: fbtft: Fix some typo. pdc8544 --> pcd8544
2019-07-30 09:52:04 +02:00
fb_ra8875.c
staging: fbtft: fixed format-string errors.
2019-03-18 07:06:08 +01:00
fb_s6d02a1.c
…
fb_s6d1121.c
staging: fbtft: make several arrays static const, makes object smaller
2019-09-12 10:35:52 +01:00
fb_seps525.c
drivers/staging/fbtft/fb_seps525: New driver for SEPS525 (Syncoam) LCD Controllers
2019-10-26 20:47:52 +02:00
fb_sh1106.c
…
fb_ssd1289.c
staging: fbtft: make several arrays static const, makes object smaller
2019-09-12 10:35:52 +01:00
fb_ssd1305.c
…
fb_ssd1306.c
staging: fbtft: ternary statement to if statement.
2019-03-19 14:35:42 +01:00
fb_ssd1325.c
…
fb_ssd1331.c
Staging: fbtft: Fix GPIO handling
2019-07-25 10:09:29 +02:00
fb_ssd1351.c
staging: fbtft: fb_ssd1351.c: Replace bit shifting with BIT macro
2019-04-02 19:57:11 +02:00
fb_st7735r.c
…
fb_st7789v.c
…
fb_tinylcd.c
Staging: fbtft: Alignment should match open parenthesis
2019-02-26 11:40:07 +01:00
fb_tls8204.c
…
fb_uc1611.c
staging: fbtft: Do not hardcode SPI CS polarity inversion
2019-12-10 10:56:53 +01:00
fb_uc1701.c
…
fb_upd161704.c
Staging: fbtft: Fix GPIO handling
2019-07-25 10:09:29 +02:00
fb_watterott.c
staging: fbtft: Do not hardcode SPI CS polarity inversion
2019-12-10 10:56:53 +01:00
fbtft-bus.c
Staging: fbtft: Fix GPIO handling
2019-07-25 10:09:29 +02:00
fbtft-core.c
fbtft: Make use of device property API
2019-11-20 14:35:58 +01:00
fbtft-io.c
staging: fbtft: fixed format-string errors.
2019-03-18 07:06:08 +01:00
fbtft-sysfs.c
…
fbtft.h
fbtft: Drop OF dependency
2019-11-20 14:35:58 +01:00
internal.h
…
Kconfig
staging: fbtft: Fix Kconfig indentation
2019-11-20 15:20:28 +01:00
Makefile
drivers/staging/fbtft/fb_seps525: New driver for SEPS525 (Syncoam) LCD Controllers
2019-10-26 20:47:52 +02:00
README
…
TODO
…

README 

  FBTFT
=========

Linux Framebuffer drivers for small TFT LCD display modules.
The module 'fbtft' makes writing drivers for some of these displays very easy.

Development is done on a Raspberry Pi running the Raspbian "wheezy" distribution.

INSTALLATION
  Download kernel sources

  From Linux 3.15
    cd drivers/video/fbdev/fbtft
    git clone https://github.com/notro/fbtft.git

    Add to drivers/video/fbdev/Kconfig:   source "drivers/video/fbdev/fbtft/Kconfig"
    Add to drivers/video/fbdev/Makefile:  obj-y += fbtft/

  Before Linux 3.15
    cd drivers/video
    git clone https://github.com/notro/fbtft.git

    Add to drivers/video/Kconfig:   source "drivers/video/fbtft/Kconfig"
    Add to drivers/video/Makefile:  obj-y += fbtft/

  Enable driver(s) in menuconfig and build the kernel


See wiki for more information: https://github.com/notro/fbtft/wiki


Source: https://github.com/notro/fbtft/