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dlkm: sm5350_bl: add default brightness config

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- change non must have value location, avoid rc value impact last
  probe return rc value.
- add default brightness config, avoid brightness change when boot
- don't exit probe if map mode don't set, map mode is not must have
  value.

Change-Id: Ifbc6a4c5f7a4b5bed24b5b44fb6117b4c331c776
Signed-off-by: wangyq13 <wangyq13@lenovo.com>
Reviewed-on: https://gerrit.mot.com/2207191
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Shanshan Dai <daiss1@motorola.com>
Reviewed-by: Huosheng Liao <liaohs@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
wangyq13 2022-03-04 13:41:49 +08:00 • committed by Yeqing Wang
commit da4562725e
1 changed files with 10 additions and 10 deletions
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20
drivers/backlight/sm5350/sm5350_bl.c
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@ -65,6 +65,7 @@ struct sm5350_data {
u8 boost_ctl;
u8 full_scale_current;
u8 map_mode;
unsigned int default_brightness;
bool brt_code_enable;
u16 *brt_code_table;
int en_gpio;
@ -271,6 +272,14 @@ static int sm5350_get_dt_data(struct device *dev, struct sm5350_data *drvdata)
drvdata->boost_ctl = (!rc ? tmp : 0);
pr_debug("%s : boost_ctl=0x%x\n",__func__, drvdata->boost_ctl);
rc = of_property_read_u32(of_node, "map-mode", &tmp);
drvdata->map_mode= (!rc ? tmp : 1); /* 1: linear, 0: expo, linear as default*/
pr_debug("%s : map_mode=0x%x\n",__func__, drvdata->map_mode);
rc = of_property_read_u32(of_node, "sm5350,default-brightness", &tmp);
drvdata->default_brightness= (!rc ? tmp : MAX_BRIGHTNESS);
pr_debug("%s : default_brightness=0x%x\n",__func__, drvdata->default_brightness);
rc = of_property_read_u32(of_node, "pwm-cfg", &tmp);
if (rc) {
pr_err("%s:%d, dt not specified\n",
@ -304,15 +313,6 @@ static int sm5350_get_dt_data(struct device *dev, struct sm5350_data *drvdata)
}
drvdata->full_scale_current = (!rc ? tmp : 0);
rc = of_property_read_u32(of_node, "map-mode", &tmp);
if (rc) {
pr_err("%s:%d, dt not specified\n",
__func__, __LINE__);
return -EINVAL;
}
drvdata->map_mode= (!rc ? tmp : 1); /* 1: linear, 0: expo, linear as default*/
pr_debug("%s : map_mode=0x%x\n",__func__, drvdata->map_mode);
pr_info("bank_A = %d, bank_B = %d, pwm_cfg = 0x%x, full_scale_current = 0x%x, map_mode = 0x%x, boost_ctl = 0x%x.\n",
drvdata->bank_A, drvdata->bank_B, drvdata->pwm_cfg, drvdata->full_scale_current, drvdata->map_mode, drvdata->boost_ctl);
@ -463,7 +463,7 @@ static int sm5350_probe(struct i2c_client *client,
drvdata->bl_dev = bl_dev;
sm5350_init_registers(drvdata);
dump_sm5350_regs(drvdata);
sm5350_set_brightness(drvdata, MAX_BRIGHTNESS);
sm5350_set_brightness(drvdata, drvdata->default_brightness);
printk("sm-sm5350 probe okay\n");
return 0;