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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2022-05-25 22:24:26 +0200 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2022-06-01 06:03:42 +0200 |
| commit | 2a0a5828b98a91dc746b22adbb699a682fd3c7de (patch) | |
| tree | 5bbf357eac11eb8c19a57662c0c5691fb86e619d /drivers/input | |
| parent | Input: mtk-pmic-keys - allow compiling with COMPILE_TEST (diff) | |
| download | linux-2a0a5828b98a91dc746b22adbb699a682fd3c7de.tar.xz linux-2a0a5828b98a91dc746b22adbb699a682fd3c7de.zip | |
Input: mtk-pmic-keys - use single update when configuring long press behavior
Instead of doing 3 read-modify-write operations when configuring behavior
of long-press, consolidate everything into one.
Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Tested-by: Mattijs Korpershoek <mkorpershoek@baylibre.com> # on mt8183-pumpkin
Link: https://lore.kernel.org/r/YowH0Q5HAGU7Grx2@google.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/keyboard/mtk-pmic-keys.c | 71 |
1 files changed, 28 insertions, 43 deletions
diff --git a/drivers/input/keyboard/mtk-pmic-keys.c b/drivers/input/keyboard/mtk-pmic-keys.c index c31ab4368388..d2f0db245ff6 100644 --- a/drivers/input/keyboard/mtk-pmic-keys.c +++ b/drivers/input/keyboard/mtk-pmic-keys.c @@ -18,17 +18,11 @@ #include <linux/platform_device.h> #include <linux/regmap.h> -#define MTK_PMIC_PWRKEY_RST_EN_MASK 0x1 -#define MTK_PMIC_PWRKEY_RST_EN_SHIFT 6 -#define MTK_PMIC_HOMEKEY_RST_EN_MASK 0x1 -#define MTK_PMIC_HOMEKEY_RST_EN_SHIFT 5 -#define MTK_PMIC_RST_DU_MASK 0x3 -#define MTK_PMIC_RST_DU_SHIFT 8 - -#define MTK_PMIC_PWRKEY_RST \ - (MTK_PMIC_PWRKEY_RST_EN_MASK << MTK_PMIC_PWRKEY_RST_EN_SHIFT) -#define MTK_PMIC_HOMEKEY_RST \ - (MTK_PMIC_HOMEKEY_RST_EN_MASK << MTK_PMIC_HOMEKEY_RST_EN_SHIFT) +#define MTK_PMIC_RST_DU_MASK GENMASK(9, 8) +#define MTK_PMIC_RST_DU_SHIFT 8 +#define MTK_PMIC_RST_KEY_MASK GENMASK(6, 5) +#define MTK_PMIC_PWRKEY_RST BIT(6) +#define MTK_PMIC_HOMEKEY_RST BIT(5) #define MTK_PMIC_PWRKEY_INDEX 0 #define MTK_PMIC_HOMEKEY_INDEX 1 @@ -108,53 +102,44 @@ enum mtk_pmic_keys_lp_mode { }; static void mtk_pmic_keys_lp_reset_setup(struct mtk_pmic_keys *keys, - u32 pmic_rst_reg) + u32 pmic_rst_reg) { - int ret; u32 long_press_mode, long_press_debounce; + u32 value, mask; + int error; - ret = of_property_read_u32(keys->dev->of_node, - "power-off-time-sec", &long_press_debounce); - if (ret) + error = of_property_read_u32(keys->dev->of_node, "power-off-time-sec", + &long_press_debounce); + if (error) long_press_debounce = 0; - regmap_update_bits(keys->regmap, pmic_rst_reg, - MTK_PMIC_RST_DU_MASK << MTK_PMIC_RST_DU_SHIFT, - long_press_debounce << MTK_PMIC_RST_DU_SHIFT); + mask = MTK_PMIC_RST_DU_MASK; + value = long_press_debounce << MTK_PMIC_RST_DU_SHIFT; - ret = of_property_read_u32(keys->dev->of_node, - "mediatek,long-press-mode", &long_press_mode); - if (ret) + error = of_property_read_u32(keys->dev->of_node, + "mediatek,long-press-mode", + &long_press_mode); + if (error) long_press_mode = LP_DISABLE; switch (long_press_mode) { - case LP_ONEKEY: - regmap_update_bits(keys->regmap, pmic_rst_reg, - MTK_PMIC_PWRKEY_RST, - MTK_PMIC_PWRKEY_RST); - regmap_update_bits(keys->regmap, pmic_rst_reg, - MTK_PMIC_HOMEKEY_RST, - 0); - break; case LP_TWOKEY: - regmap_update_bits(keys->regmap, pmic_rst_reg, - MTK_PMIC_PWRKEY_RST, - MTK_PMIC_PWRKEY_RST); - regmap_update_bits(keys->regmap, pmic_rst_reg, - MTK_PMIC_HOMEKEY_RST, - MTK_PMIC_HOMEKEY_RST); - break; + value |= MTK_PMIC_HOMEKEY_RST; + fallthrough; + + case LP_ONEKEY: + value |= MTK_PMIC_PWRKEY_RST; + fallthrough; + case LP_DISABLE: - regmap_update_bits(keys->regmap, pmic_rst_reg, - MTK_PMIC_PWRKEY_RST, - 0); - regmap_update_bits(keys->regmap, pmic_rst_reg, - MTK_PMIC_HOMEKEY_RST, - 0); + mask |= MTK_PMIC_RST_KEY_MASK; break; + default: break; } + + regmap_update_bits(keys->regmap, pmic_rst_reg, mask, value); } static irqreturn_t mtk_pmic_keys_irq_handler_thread(int irq, void *data) |