[PATCH] Input: ads7846: call input layer functions directly

From: Imre Deak
Date: Wed Dec 27 2006 - 09:07:32 EST


This reverts an earlier abstraction of these calls, which only
obfuscated the code.

Signed-off-by: Imre Deak <imre.deak@xxxxxxxxxxxxx>
---
drivers/input/touchscreen/ads7846.c | 56 +++++++++++-----------------------
1 files changed, 18 insertions(+), 38 deletions(-)

diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index a47c95e..d6251ef 100644
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -375,39 +375,6 @@ static DEVICE_ATTR(disable, 0664, ads7846_disable_show, ads7846_disable_store);

/*--------------------------------------------------------------------------*/

-static void ads7846_report_pen_state(struct ads7846 *ts, int down)
-{
- struct input_dev *input_dev = ts->input;
-
- input_report_key(input_dev, BTN_TOUCH, down);
- if (!down)
- input_report_abs(input_dev, ABS_PRESSURE, 0);
-#ifdef VERBOSE
- pr_debug("%s: %s\n", ts->spi->dev.bus_id, down ? "DOWN" : "UP");
-#endif
-}
-
-static void ads7846_report_pen_position(struct ads7846 *ts, int x, int y,
- int pressure)
-{
- struct input_dev *input_dev = ts->input;
-
- input_report_abs(input_dev, ABS_X, x);
- input_report_abs(input_dev, ABS_Y, y);
- input_report_abs(input_dev, ABS_PRESSURE, pressure);
-
-#ifdef VERBOSE
- pr_debug("%s: %d/%d/%d\n", ts->spi->dev.bus_id, x, y, pressure);
-#endif
-}
-
-static void ads7846_sync_events(struct ads7846 *ts)
-{
- struct input_dev *input_dev = ts->input;
-
- input_sync(input_dev);
-}
-
/*
* PENIRQ only kicks the timer. The timer only reissues the SPI transfer,
* to retrieve touchscreen status.
@@ -466,11 +433,20 @@ static void ads7846_rx(void *ads)
*/
if (Rt) {
if (!ts->pendown) {
- ads7846_report_pen_state(ts, 1);
+ input_report_key(ts->input, BTN_TOUCH, 1);
ts->pendown = 1;
+#ifdef VERBOSE
+ dev_dbg(&ts->spi->dev, "DOWN\n");
+#endif
}
- ads7846_report_pen_position(ts, x, y, Rt);
- ads7846_sync_events(ts);
+ input_report_abs(ts->input, ABS_X, x);
+ input_report_abs(ts->input, ABS_Y, y);
+ input_report_abs(ts->input, ABS_PRESSURE, Rt);
+
+ input_sync(ts->input);
+#ifdef VERBOSE
+ dev_dbg(&ts->spi->dev, "%4d/%4d/%4d\n", x, y, Rt);
+#endif
}

hrtimer_start(&ts->timer, ktime_set(0, TS_POLL_PERIOD), HRTIMER_REL);
@@ -568,9 +544,13 @@ static int ads7846_timer(struct hrtimer *handle)
if (unlikely(!ts->get_pendown_state() ||
device_suspended(&ts->spi->dev))) {
if (ts->pendown) {
- ads7846_report_pen_state(ts, 0);
- ads7846_sync_events(ts);
+ input_report_key(ts->input, BTN_TOUCH, 0);
+ input_report_abs(ts->input, ABS_PRESSURE, 0);
+ input_sync(ts->input);
ts->pendown = 0;
+#ifdef VERBOSE
+ dev_dbg(&ts->spi->dev, "UP\n");
+#endif
}

/* measurment cycle ended */
--
1.4.4.2


--MfFXiAuoTsnnDAfZ--
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