Fixes the following W=1 kernel build warning(s):

 drivers/input/touchscreen/stmpe-ts.c:82: warning: Function parameter or member 'prop' not described in 'stmpe_touch'

Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Alexandre Torgue <redacted>
Cc: Stefan Riedmueller <redacted>
Cc: Luotao Fu <redacted>
Cc: linux-input@vger.kernel.org
Cc: linux-stm32@st-md-mailman.stormreply.com
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Lee Jones <redacted>
---
 drivers/input/touchscreen/stmpe-ts.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/input/touchscreen/stmpe-ts.c b/drivers/input/touchscreen/stmpe-ts.c
index cd747725589b1..25c45c3a35615 100644
--- a/drivers/input/touchscreen/stmpe-ts.c
+++ b/drivers/input/touchscreen/stmpe-ts.c

@@ -52,6 +52,7 @@
  * @idev: registered input device
  * @work: a work item used to scan the device
  * @dev: a pointer back to the MFD cell struct device*
+ * @prop: Touchscreen properties
  * @ave_ctrl: Sample average control
  * (0 -> 1 sample, 1 -> 2 samples, 2 -> 4 samples, 3 -> 8 samples)
  * @touch_det_delay: Touch detect interrupt delay

-- 
2.25.1