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dlkm: sm5350: get map mode from dtsi

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sm5350:
Get map mode from dts, default is linear.

Change-Id: I706ace97aa5466bc2ed7f7eddd2f16e9a12d2b9b
Signed-off-by: wangyq13 <wangyq13@lenovo.com>
Reviewed-on: https://gerrit.mot.com/2203057
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Shanshan Dai <daiss1@motorola.com>
Reviewed-by: Hua Tan <tanhua1@motorola.com>
Reviewed-by: Huosheng Liao <liaohs@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
wangyq13 2022-02-28 14:48:28 +08:00 • committed by Yeqing Wang
commit ea9f086fc7
1 changed files with 13 additions and 3 deletions
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16
drivers/backlight/sm5350/sm5350_bl.c
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@ -64,6 +64,7 @@ struct sm5350_data {
u8 pwm_cfg;
u8 boost_ctl;
u8 full_scale_current;
u8 map_mode;
bool brt_code_enable;
u16 *brt_code_table;
int en_gpio;
@ -152,7 +153,7 @@ static int sm5350_init_registers(struct sm5350_data *drvdata)
sm5350_write_reg(drvdata->client, SM5350_BOOST_CTL_REG, drvdata->boost_ctl);
sm5350_write_reg(drvdata->client, SM5350_PWM_CFG_REG, drvdata->pwm_cfg);
sm5350_write_reg(drvdata->client, SM5350_CTL_B_BANK_EN_REG, drvdata->ctl_bank_en);
sm5350_write_reg(drvdata->client, SM5350_BRIGHTNESS_CFG_REG, SM5350_BRIGHTNESS_CFG);
sm5350_write_reg(drvdata->client, SM5350_BRIGHTNESS_CFG_REG, drvdata->map_mode);
sm5350_write_reg(drvdata->client, SM5350_HVLED_CURR_SINK_OUT_CFG_REG, SM5350_HVLED_CURR_SINK_OUT_CFG);
sm5350_write_reg(drvdata->client, SM5350_CTL_B_FULL_SCALE_CURR_REG, drvdata->full_scale_current);
@ -303,8 +304,17 @@ static int sm5350_get_dt_data(struct device *dev, struct sm5350_data *drvdata)
}
drvdata->full_scale_current = (!rc ? tmp : 0);
pr_info("bank_A = %d, bank_B = %d, pwm_cfg = 0x%x, full_scale_current = 0x%x, boost_ctl = 0x%x.\n",
drvdata->bank_A, drvdata->bank_B, drvdata->pwm_cfg, drvdata->full_scale_current, drvdata->boost_ctl);
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);
drvdata->brt_code_enable = of_property_read_bool(of_node, "brt-code-enable");