diff options
Diffstat (limited to 'drivers/leds')
| -rw-r--r-- | drivers/leds/leds-mt6323.c | 123 |
1 files changed, 60 insertions, 63 deletions
diff --git a/drivers/leds/leds-mt6323.c b/drivers/leds/leds-mt6323.c index 65a99c067216..dae782de09c4 100644 --- a/drivers/leds/leds-mt6323.c +++ b/drivers/leds/leds-mt6323.c @@ -14,50 +14,47 @@ #include <linux/regmap.h> /* - * Register field for MT6323_TOP_CKPDN0 to enable + * Register field for TOP_CKPDN0 to enable * 32K clock common for LED device. */ -#define MT6323_RG_DRV_32K_CK_PDN BIT(11) -#define MT6323_RG_DRV_32K_CK_PDN_MASK BIT(11) +#define RG_DRV_32K_CK_PDN BIT(11) +#define RG_DRV_32K_CK_PDN_MASK BIT(11) /* - * Register field for MT6323_TOP_CKPDN2 to enable + * Register field for TOP_CKPDN2 to enable * individual clock for LED device. */ -#define MT6323_RG_ISINK_CK_PDN(i) BIT(i) -#define MT6323_RG_ISINK_CK_PDN_MASK(i) BIT(i) +#define RG_ISINK_CK_PDN(i) BIT(i) +#define RG_ISINK_CK_PDN_MASK(i) BIT(i) /* - * Register field for MT6323_TOP_CKCON1 to select + * Register field for TOP_CKCON1 to select * clock source. */ -#define MT6323_RG_ISINK_CK_SEL_MASK(i) (BIT(10) << (i)) +#define RG_ISINK_CK_SEL_MASK(i) (BIT(10) << (i)) -#define MT6323_ISINK_CON(r, i) (r + 0x8 * (i)) +#define ISINK_CON(r, i) (r + 0x8 * (i)) /* ISINK_CON0: Register to setup the duty cycle of the blink. */ -#define MT6323_ISINK_DIM_DUTY_MASK (0x1f << 8) -#define MT6323_ISINK_DIM_DUTY(i) (((i) << 8) & \ - MT6323_ISINK_DIM_DUTY_MASK) +#define ISINK_DIM_DUTY_MASK (0x1f << 8) +#define ISINK_DIM_DUTY(i) (((i) << 8) & ISINK_DIM_DUTY_MASK) /* ISINK_CON1: Register to setup the period of the blink. */ -#define MT6323_ISINK_DIM_FSEL_MASK (0xffff) -#define MT6323_ISINK_DIM_FSEL(i) ((i) & MT6323_ISINK_DIM_FSEL_MASK) +#define ISINK_DIM_FSEL_MASK (0xffff) +#define ISINK_DIM_FSEL(i) ((i) & ISINK_DIM_FSEL_MASK) /* ISINK_CON2: Register to control the brightness. */ -#define MT6323_ISINK_CH_STEP_SHIFT 12 -#define MT6323_ISINK_CH_STEP_MASK (0x7 << 12) -#define MT6323_ISINK_CH_STEP(i) (((i) << 12) & \ - MT6323_ISINK_CH_STEP_MASK) -#define MT6323_ISINK_SFSTR0_TC_MASK (0x3 << 1) -#define MT6323_ISINK_SFSTR0_TC(i) (((i) << 1) & \ - MT6323_ISINK_SFSTR0_TC_MASK) -#define MT6323_ISINK_SFSTR0_EN_MASK BIT(0) -#define MT6323_ISINK_SFSTR0_EN BIT(0) +#define ISINK_CH_STEP_SHIFT 12 +#define ISINK_CH_STEP_MASK (0x7 << 12) +#define ISINK_CH_STEP(i) (((i) << 12) & ISINK_CH_STEP_MASK) +#define ISINK_SFSTR0_TC_MASK (0x3 << 1) +#define ISINK_SFSTR0_TC(i) (((i) << 1) & ISINK_SFSTR0_TC_MASK) +#define ISINK_SFSTR0_EN_MASK BIT(0) +#define ISINK_SFSTR0_EN BIT(0) /* Register to LED channel enablement. */ -#define MT6323_ISINK_CH_EN_MASK(i) BIT(i) -#define MT6323_ISINK_CH_EN(i) BIT(i) +#define ISINK_CH_EN_MASK(i) BIT(i) +#define ISINK_CH_EN(i) BIT(i) #define MAX_SUPPORTED_LEDS 8 #define MT6323_CAL_HW_DUTY(o, p, u) DIV_ROUND_CLOSEST((o) * 100000ul,\ @@ -159,14 +156,14 @@ static int mt6323_led_hw_brightness(struct led_classdev *cdev, * Setup current output for the corresponding * brightness level. */ - con2_mask |= MT6323_ISINK_CH_STEP_MASK | - MT6323_ISINK_SFSTR0_TC_MASK | - MT6323_ISINK_SFSTR0_EN_MASK; - con2_val |= MT6323_ISINK_CH_STEP(brightness - 1) | - MT6323_ISINK_SFSTR0_TC(2) | - MT6323_ISINK_SFSTR0_EN; - - ret = regmap_update_bits(regmap, MT6323_ISINK_CON(regs->isink_con[2], led->id), + con2_mask |= ISINK_CH_STEP_MASK | + ISINK_SFSTR0_TC_MASK | + ISINK_SFSTR0_EN_MASK; + con2_val |= ISINK_CH_STEP(brightness - 1) | + ISINK_SFSTR0_TC(2) | + ISINK_SFSTR0_EN; + + ret = regmap_update_bits(regmap, ISINK_CON(regs->isink_con[2], led->id), con2_mask, con2_val); return ret; } @@ -180,16 +177,16 @@ static int mt6323_led_hw_off(struct led_classdev *cdev) unsigned int status; int ret; - status = MT6323_ISINK_CH_EN(led->id); + status = ISINK_CH_EN(led->id); ret = regmap_update_bits(regmap, regs->isink_en_ctrl, - MT6323_ISINK_CH_EN_MASK(led->id), ~status); + ISINK_CH_EN_MASK(led->id), ~status); if (ret < 0) return ret; usleep_range(100, 300); ret = regmap_update_bits(regmap, regs->top_ckpdn[2], - MT6323_RG_ISINK_CK_PDN_MASK(led->id), - MT6323_RG_ISINK_CK_PDN(led->id)); + RG_ISINK_CK_PDN_MASK(led->id), + RG_ISINK_CK_PDN(led->id)); if (ret < 0) return ret; @@ -210,22 +207,22 @@ mt6323_get_led_hw_brightness(struct led_classdev *cdev) if (ret < 0) return ret; - if (status & MT6323_RG_ISINK_CK_PDN_MASK(led->id)) + if (status & RG_ISINK_CK_PDN_MASK(led->id)) return 0; ret = regmap_read(regmap, regs->isink_en_ctrl, &status); if (ret < 0) return ret; - if (!(status & MT6323_ISINK_CH_EN(led->id))) + if (!(status & ISINK_CH_EN(led->id))) return 0; - ret = regmap_read(regmap, MT6323_ISINK_CON(regs->isink_con[2], led->id), &status); + ret = regmap_read(regmap, ISINK_CON(regs->isink_con[2], led->id), &status); if (ret < 0) return ret; - return ((status & MT6323_ISINK_CH_STEP_MASK) - >> MT6323_ISINK_CH_STEP_SHIFT) + 1; + return ((status & ISINK_CH_STEP_MASK) + >> ISINK_CH_STEP_SHIFT) + 1; } static int mt6323_led_hw_on(struct led_classdev *cdev, @@ -244,13 +241,13 @@ static int mt6323_led_hw_on(struct led_classdev *cdev, * the default. */ ret = regmap_update_bits(regmap, regs->top_ckcon[1], - MT6323_RG_ISINK_CK_SEL_MASK(led->id), 0); + RG_ISINK_CK_SEL_MASK(led->id), 0); if (ret < 0) return ret; - status = MT6323_RG_ISINK_CK_PDN(led->id); + status = RG_ISINK_CK_PDN(led->id); ret = regmap_update_bits(regmap, regs->top_ckpdn[2], - MT6323_RG_ISINK_CK_PDN_MASK(led->id), + RG_ISINK_CK_PDN_MASK(led->id), ~status); if (ret < 0) return ret; @@ -258,8 +255,8 @@ static int mt6323_led_hw_on(struct led_classdev *cdev, usleep_range(100, 300); ret = regmap_update_bits(regmap, regs->isink_en_ctrl, - MT6323_ISINK_CH_EN_MASK(led->id), - MT6323_ISINK_CH_EN(led->id)); + ISINK_CH_EN_MASK(led->id), + ISINK_CH_EN(led->id)); if (ret < 0) return ret; @@ -267,15 +264,15 @@ static int mt6323_led_hw_on(struct led_classdev *cdev, if (ret < 0) return ret; - ret = regmap_update_bits(regmap, MT6323_ISINK_CON(regs->isink_con[0], led->id), - MT6323_ISINK_DIM_DUTY_MASK, - MT6323_ISINK_DIM_DUTY(31)); + ret = regmap_update_bits(regmap, ISINK_CON(regs->isink_con[0], led->id), + ISINK_DIM_DUTY_MASK, + ISINK_DIM_DUTY(31)); if (ret < 0) return ret; - ret = regmap_update_bits(regmap, MT6323_ISINK_CON(regs->isink_con[1], led->id), - MT6323_ISINK_DIM_FSEL_MASK, - MT6323_ISINK_DIM_FSEL(1000)); + ret = regmap_update_bits(regmap, ISINK_CON(regs->isink_con[1], led->id), + ISINK_DIM_FSEL_MASK, + ISINK_DIM_FSEL(1000)); if (ret < 0) return ret; @@ -337,15 +334,15 @@ static int mt6323_led_set_blink(struct led_classdev *cdev, led->current_brightness = cdev->max_brightness; } - ret = regmap_update_bits(regmap, MT6323_ISINK_CON(regs->isink_con[0], led->id), - MT6323_ISINK_DIM_DUTY_MASK, - MT6323_ISINK_DIM_DUTY(duty_hw - 1)); + ret = regmap_update_bits(regmap, ISINK_CON(regs->isink_con[0], led->id), + ISINK_DIM_DUTY_MASK, + ISINK_DIM_DUTY(duty_hw - 1)); if (ret < 0) goto out; - ret = regmap_update_bits(regmap, MT6323_ISINK_CON(regs->isink_con[1], led->id), - MT6323_ISINK_DIM_FSEL_MASK, - MT6323_ISINK_DIM_FSEL(period - 1)); + ret = regmap_update_bits(regmap, ISINK_CON(regs->isink_con[1], led->id), + ISINK_DIM_FSEL_MASK, + ISINK_DIM_FSEL(period - 1)); out: mutex_unlock(&leds->lock); @@ -439,9 +436,9 @@ static int mt6323_led_probe(struct platform_device *pdev) leds->hw = hw; mutex_init(&leds->lock); - status = MT6323_RG_DRV_32K_CK_PDN; + status = RG_DRV_32K_CK_PDN; ret = regmap_update_bits(leds->hw->regmap, regs->top_ckpdn[0], - MT6323_RG_DRV_32K_CK_PDN_MASK, ~status); + RG_DRV_32K_CK_PDN_MASK, ~status); if (ret < 0) { dev_err(leds->dev, "Failed to update TOP_CKPDN0 Register\n"); @@ -515,8 +512,8 @@ static int mt6323_led_remove(struct platform_device *pdev) mt6323_led_hw_off(&leds->led[i]->cdev); regmap_update_bits(leds->hw->regmap, regs->top_ckpdn[0], - MT6323_RG_DRV_32K_CK_PDN_MASK, - MT6323_RG_DRV_32K_CK_PDN); + RG_DRV_32K_CK_PDN_MASK, + RG_DRV_32K_CK_PDN); mutex_destroy(&leds->lock); |