[PATCH v1 12/12] input: matrix-keypad: add diagnostics in probe()
From: Gerhard Sittig <hidden>
Date: 2013-06-21 18:09:58
Also in:
linux-arm-kernel, linux-input
Subsystem:
input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Dmitry Torokhov, Linus Torvalds
optionally dump relevant configuration of pins, matrix lines, and delay/interval times at the very end of the probe routine (development feature, silent by default) Signed-off-by: Gerhard Sittig <redacted> --- drivers/input/keyboard/matrix_keypad.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+)
diff --git a/drivers/input/keyboard/matrix_keypad.c b/drivers/input/keyboard/matrix_keypad.c
index 275b157..69b15720 100644
--- a/drivers/input/keyboard/matrix_keypad.c
+++ b/drivers/input/keyboard/matrix_keypad.c@@ -800,6 +800,24 @@ static int matrix_keypad_probe(struct platform_device *pdev) device_init_wakeup(&pdev->dev, pdata->wakeup); platform_set_drvdata(pdev, keypad); + dev_dbg(&pdev->dev, "gpios col num[%u] lvl[%s] drv[%s] enc[%s]\n", + pdata->num_col_gpios, + pdata->col_gpios_active_low ? "low" : "high", + pdata->col_gpios_push_pull ? "pp" : "od", + pdata->col_gpios_binary_encoded ? "bin" : "1-1"); + dev_dbg(&pdev->dev, "gpios row num[%u] lvl[%s]\n", + pdata->num_row_gpios, + pdata->row_gpios_active_low ? "low" : "high"); + dev_dbg(&pdev->dev, "matrix cols[%u] rows[%u] code shift[%u]\n", + pdata->num_matrix_cols, + pdata->num_matrix_rows, + keypad->row_shift); + dev_dbg(&pdev->dev, "times scan[%u-%u] bounce[%u] switch[%u]\n", + pdata->col_scan_delay_us, + pdata->col_scan_delay_us_max, + pdata->debounce_ms, + pdata->col_switch_delay_ms); + return 0; err_free_gpio:
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1.7.10.4