linux-kernel - [PATCH 1/5] Input: mtk-pmic-keys - Add kerneldoc to driver structures

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Date:   Fri, 20 May 2022 14:51:28 +0200
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     dmitry.torokhov@...il.com
Cc:     matthias.bgg@...il.com, angelogioacchino.delregno@...labora.com,
        mkorpershoek@...libre.com, linux-input@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/5] Input: mtk-pmic-keys - Add kerneldoc to driver structures

To enhance human readability, add kerneldoc to all driver structs.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
 drivers/input/keyboard/mtk-pmic-keys.c | 30 +++++++++++++++++++++++++-
 1 file changed, 29 insertions(+), 1 deletion(-)

diff --git a/drivers/input/keyboard/mtk-pmic-keys.c b/drivers/input/keyboard/mtk-pmic-keys.c
index c31ab4368388..8e4fa7cd16e6 100644
--- a/drivers/input/keyboard/mtk-pmic-keys.c
+++ b/drivers/input/keyboard/mtk-pmic-keys.c
@@ -34,6 +34,13 @@
 #define MTK_PMIC_HOMEKEY_INDEX	1
 #define MTK_PMIC_MAX_KEY_COUNT	2
 
+/**
+ * struct mtk_pmic_keys_regs - PMIC keys per-key registers
+ * @deb_reg:             Debounced key status register
+ * @deb_mask:            Bitmask of this key in status register
+ * @intsel_reg:          Interrupt selector register
+ * @intsel_mask:         Bitmask of this key in interrupt selector
+ */
 struct mtk_pmic_keys_regs {
 	u32 deb_reg;
 	u32 deb_mask;
@@ -50,6 +57,11 @@ struct mtk_pmic_keys_regs {
 	.intsel_mask		= _intsel_mask,		\
 }
 
+/**
+ * struct mtk_pmic_regs - PMIC Keys registers
+ * @keys_regs:           Specific key registers
+ * @pmic_rst_reg:        PMIC Keys reset register
+ */
 struct mtk_pmic_regs {
 	const struct mtk_pmic_keys_regs keys_regs[MTK_PMIC_MAX_KEY_COUNT];
 	u32 pmic_rst_reg;
@@ -85,15 +97,31 @@ static const struct mtk_pmic_regs mt6358_regs = {
 	.pmic_rst_reg = MT6358_TOP_RST_MISC,
 };
 
+/**
+ * struct mtk_pmic_keys_info - PMIC Keys per-key params
+ * @keys:                Pointer to main driver structure
+ * @regs:                Register offsets/masks for this key
+ * @keycode:             Key code for this key
+ * @irq:                 Keypress or press/release interrupt
+ * @irq_r:               Key release interrupt (optional)
+ * @wakeup:              Indicates whether to use this key as a wakeup source
+ */
 struct mtk_pmic_keys_info {
 	struct mtk_pmic_keys *keys;
 	const struct mtk_pmic_keys_regs *regs;
 	unsigned int keycode;
 	int irq;
-	int irq_r; /* optional: release irq if different */
+	int irq_r;
 	bool wakeup:1;
 };
 
+/**
+ * struct mtk_pmic_keys - Main driver structure
+ * @input_dev:           Input device pointer
+ * @dev:                 Device pointer
+ * @regmap:              Regmap handle
+ * @keys:                Per-key parameters
+ */
 struct mtk_pmic_keys {
 	struct input_dev *input_dev;
 	struct device *dev;
-- 
2.35.1