diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.10/950-0383-drm-panel-raspberrypi-ts-Insert-delay-before-polling.patch')
-rw-r--r-- | target/linux/bcm27xx/patches-5.10/950-0383-drm-panel-raspberrypi-ts-Insert-delay-before-polling.patch | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/target/linux/bcm27xx/patches-5.10/950-0383-drm-panel-raspberrypi-ts-Insert-delay-before-polling.patch b/target/linux/bcm27xx/patches-5.10/950-0383-drm-panel-raspberrypi-ts-Insert-delay-before-polling.patch deleted file mode 100644 index a9a5a01ed2..0000000000 --- a/target/linux/bcm27xx/patches-5.10/950-0383-drm-panel-raspberrypi-ts-Insert-delay-before-polling.patch +++ /dev/null @@ -1,26 +0,0 @@ -From 01cb60004018afba6e2b60149e4adbbf9e87d90b Mon Sep 17 00:00:00 2001 -From: Dave Stevenson <dave.stevenson@raspberrypi.com> -Date: Tue, 10 Nov 2020 11:21:56 +0000 -Subject: [PATCH] drm/panel/raspberrypi-ts: Insert delay before polling - for startup state - -In switching to the hardware I2C controller there is an issue -where we seem to not get back the correct state from the Pi -touchscreen. -Insert a delay before polling to avoid this condition. - -Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com> ---- - drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c | 1 + - 1 file changed, 1 insertion(+) - ---- a/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c -+++ b/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c -@@ -299,6 +299,7 @@ static int rpi_touchscreen_prepare(struc - int i; - - rpi_touchscreen_i2c_write(ts, REG_POWERON, 1); -+ usleep_range(20000, 25000); - /* Wait for nPWRDWN to go low to indicate poweron is done. */ - for (i = 0; i < 100; i++) { - if (rpi_touchscreen_i2c_read(ts, REG_PORTB) & 1) |