75 static int lp8788_backlight_configure(struct lp8788_bl *bl)  in lp8788_backlight_configure()  argument
77 	struct lp8788_backlight_platform_data *pdata = bl->pdata;  in lp8788_backlight_configure()
97 	ret = lp8788_write_byte(bl->lp, LP8788_BL_RAMP, val);  in lp8788_backlight_configure()
116 		dev_err(bl->lp->dev, "invalid mode: %d\n", cfg->bl_mode);  in lp8788_backlight_configure()
120 	bl->mode = cfg->bl_mode;  in lp8788_backlight_configure()
122 	return lp8788_write_byte(bl->lp, LP8788_BL_CONFIG, val);  in lp8788_backlight_configure()
125 static void lp8788_pwm_ctrl(struct lp8788_bl *bl, int br, int max_br)  in lp8788_pwm_ctrl()  argument
132 	if (!bl->pdata)  in lp8788_pwm_ctrl()
135 	period = bl->pdata->period_ns;  in lp8788_pwm_ctrl()
137 	dev = bl->lp->dev;  in lp8788_pwm_ctrl()
140 	if (!bl->pwm) {  in lp8788_pwm_ctrl()
147 		bl->pwm = pwm;  in lp8788_pwm_ctrl()
150 	pwm_config(bl->pwm, duty, period);  in lp8788_pwm_ctrl()
152 		pwm_enable(bl->pwm);  in lp8788_pwm_ctrl()
154 		pwm_disable(bl->pwm);  in lp8788_pwm_ctrl()
159 	struct lp8788_bl *bl = bl_get_data(bl_dev);  in lp8788_bl_update_status()  local
160 	enum lp8788_bl_ctrl_mode mode = bl->mode;  in lp8788_bl_update_status()
169 		lp8788_pwm_ctrl(bl, brt, max);  in lp8788_bl_update_status()
173 		lp8788_write_byte(bl->lp, LP8788_BL_BRIGHTNESS, brt);  in lp8788_bl_update_status()
184 static int lp8788_backlight_register(struct lp8788_bl *bl)  in lp8788_backlight_register()  argument
188 	struct lp8788_backlight_platform_data *pdata = bl->pdata;  in lp8788_backlight_register()
210 	bl_dev = backlight_device_register(name, bl->lp->dev, bl,  in lp8788_backlight_register()
215 	bl->bl_dev = bl_dev;  in lp8788_backlight_register()
220 static void lp8788_backlight_unregister(struct lp8788_bl *bl)  in lp8788_backlight_unregister()  argument
222 	struct backlight_device *bl_dev = bl->bl_dev;  in lp8788_backlight_unregister()
230 	struct lp8788_bl *bl = dev_get_drvdata(dev);  in lp8788_get_bl_ctl_mode()  local
231 	enum lp8788_bl_ctrl_mode mode = bl->mode;  in lp8788_get_bl_ctl_mode()
258 	struct lp8788_bl *bl;  in lp8788_backlight_probe()  local
261 	bl = devm_kzalloc(lp->dev, sizeof(struct lp8788_bl), GFP_KERNEL);  in lp8788_backlight_probe()
262 	if (!bl)  in lp8788_backlight_probe()
265 	bl->lp = lp;  in lp8788_backlight_probe()
267 		bl->pdata = lp->pdata->bl_pdata;  in lp8788_backlight_probe()
269 	platform_set_drvdata(pdev, bl);  in lp8788_backlight_probe()
271 	ret = lp8788_backlight_configure(bl);  in lp8788_backlight_probe()
277 	ret = lp8788_backlight_register(bl);  in lp8788_backlight_probe()
289 	backlight_update_status(bl->bl_dev);  in lp8788_backlight_probe()
294 	lp8788_backlight_unregister(bl);  in lp8788_backlight_probe()
301 	struct lp8788_bl *bl = platform_get_drvdata(pdev);  in lp8788_backlight_remove()  local
302 	struct backlight_device *bl_dev = bl->bl_dev;  in lp8788_backlight_remove()
307 	lp8788_backlight_unregister(bl);  in lp8788_backlight_remove()