Input: mt6779-keypad - use devm_clk_get_enabled()

Switch to using devm_clk_get_enable() helper instead of acquiring the
clock with devm_clk_get(), enabling it, and defining and installing
a custom devm action to call clk_disable().

Reviewed-by: Mattijs Korpershoek <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Dmitry Torokhov <[e-mail]>

drivers/input/keyboard/mt6779-keypad.c

···
 	return IRQ_HANDLED;
 }
 
-static void mt6779_keypad_clk_disable(void *data)
-{
-	clk_disable_unprepare(data);
-}
-
 static void mt6779_keypad_calc_row_col_single(unsigned int key,
 					      unsigned int *row,
 					      unsigned int *col)
···
 	regmap_update_bits(keypad->regmap, MTK_KPD_SEL, MTK_KPD_SEL_COL,
 			   MTK_KPD_SEL_COLMASK(keypad->n_cols));
 
-	keypad->clk = devm_clk_get(&pdev->dev, "kpd");
+	keypad->clk = devm_clk_get_enabled(&pdev->dev, "kpd");
 	if (IS_ERR(keypad->clk))
 		return PTR_ERR(keypad->clk);
-
-	error = clk_prepare_enable(keypad->clk);
-	if (error) {
-		dev_err(&pdev->dev, "cannot prepare/enable keypad clock\n");
-		return error;
-	}
-
-	error = devm_add_action_or_reset(&pdev->dev, mt6779_keypad_clk_disable,
-					 keypad->clk);
-	if (error)
-		return error;
 
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0)