Re: [PATCH 1/4] input: touchscreen: ti_am335x_tsc Interchange touchscreen and ADC steps
flat view
From: Richard Cochran <richardcochran@gmail.com>
Date: 2014-11-06 14:28:25
Also in:
linux-arm-kernel, linux-devicetree, linux-iio, linux-omap, lkml
On Mon, Oct 27, 2014 at 04:38:28PM +0530, Vignesh R wrote: ...
quoted hunk ↗ jump to hunk
@@ -209,6 +214,7 @@ static void titsc_read_coordinates(struct titsc *ts_dev, unsigned int read, diff; unsigned int i, channel; unsigned int creads = ts_dev->coordinate_readouts; + unsigned int first_step = TOTAL_STEPS - (creads * 2 + 2); *z1 = *z2 = 0; if (fifocount % (creads * 2 + 2))@@ -226,7 +232,7 @@ static void titsc_read_coordinates(struct titsc *ts_dev, channel = (read & 0xf0000) >> 16; read &= 0xfff; - if (channel < creads) { + if (channel > first_step + creads + 2) { diff = abs(read - prev_val_x); if (diff < prev_diff_x) { prev_diff_x = diff;@@ -234,19 +240,19 @@ static void titsc_read_coordinates(struct titsc *ts_dev, } prev_val_x = read; - } else if (channel < creads * 2) { + } else if (channel == first_step + creads + 1) { + *z1 = read; + + } else if (channel == first_step + creads + 2) { + *z2 = read; + + } else if (channel > first_step) { diff = abs(read - prev_val_y); if (diff < prev_diff_y) { prev_diff_y = diff; *y = read;
While you are at it, please get rid of the this "delta filter" nonsense. Thanks, Richard
}
prev_val_y = read;
-
- } else if (channel < creads * 2 + 1) {
- *z1 = read;
-
- } else if (channel < creads * 2 + 2) {
- *z2 = read;
}
}
}
--
1.9.1
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