[PATCH] INPUT:Add ABS_PRESSURE input event support for touchscreen driver
From: Wu DaoGuang <hidden>
Date: 2011-06-24 02:16:25
Also in:
linux-arm-kernel, lkml
Subsystem:
arm/samsung s3c, s5p and exynos arm architectures, input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Krzysztof Kozlowski, Dmitry Torokhov, Linus Torvalds
The touchscreen driver s3c2410_ts.c doesn't work well when using the tslib, an abstraction layer for touchscreen panel events. Tslib needs ABS_X ABS_Y and ABS_PRESSURE events to report, but only the former two the driver can provide. So this patch fixes the problem. Signed-off-by: Wu DaoGuang <redacted> --- drivers/input/touchscreen/s3c2410_ts.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/drivers/input/touchscreen/s3c2410_ts.c b/drivers/input/touchscreen/s3c2410_ts.c
index 8feb7f3..0cf4f12 100644
--- a/drivers/input/touchscreen/s3c2410_ts.c
+++ b/drivers/input/touchscreen/s3c2410_ts.c@@ -126,6 +126,7 @@ static void touch_timer_fire(unsigned long data) input_report_abs(ts.input, ABS_Y, ts.yp); input_report_key(ts.input, BTN_TOUCH, 1); + input_report_abs(ts.input, ABS_PRESSURE, 1); input_sync(ts.input); ts.xp = 0;
@@ -140,6 +141,7 @@ static void touch_timer_fire(unsigned long data) ts.count = 0; input_report_key(ts.input, BTN_TOUCH, 0); + input_report_abs(ts.input, ABS_PRESSURE, 0); input_sync(ts.input); writel(WAIT4INT | INT_DOWN, ts.io + S3C2410_ADCTSC);
@@ -318,7 +320,7 @@ static int __devinit s3c2410ts_probe(struct platform_device *pdev) ts.input->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH); input_set_abs_params(ts.input, ABS_X, 0, 0x3FF, 0, 0); input_set_abs_params(ts.input, ABS_Y, 0, 0x3FF, 0, 0); - + input_set_abs_params(ts.input, ABS_PRESSURE, 0, 1, 0, 0); ts.input->name = "S3C24XX TouchScreen"; ts.input->id.bustype = BUS_HOST; ts.input->id.vendor = 0xDEAD;
--
1.7.1