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dlkm: rt9426a fg update rt9426a_read_page_cmd

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from richtek.
For confirm sending read page cmd successfully.

Change-Id: If36e8e29a57eb7b2890a510477e09a80382845e5
Signed-off-by: liuyc20 <liuyc20@lenovo.com>
Reviewed-on: https://gerrit.mot.com/2093282
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Huosheng Liao <liaohs@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
liuyc20 2021-10-19 17:00:13 +08:00 • committed by Yuecai Liu
commit aac82dad39
1 changed files with 11 additions and 3 deletions
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14
drivers/power/rt9426a_fg_mmi/rt9426a_battery.c
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@ -203,11 +203,19 @@ static int rt9426a_get_checksum(struct rt9426a_chip *chip)
static void rt9426a_read_page_cmd(struct rt9426a_chip *chip, uint8_t page)
{
uint16_t read_page_cmd = 0x6500;
int i, regval, retry_times = 2;
read_page_cmd += page;
rt9426a_reg_write_word(chip->i2c, RT9426A_REG_BDCNTL, read_page_cmd);
rt9426a_reg_write_word(chip->i2c, RT9426A_REG_BDCNTL, read_page_cmd);
mdelay(5);
/* confirm sending read page cmd successfully ; 2021-10-12 */
for (i = 0; i < retry_times; i++) {
rt9426a_reg_write_word(chip->i2c, RT9426A_REG_BDCNTL, read_page_cmd);
rt9426a_reg_write_word(chip->i2c, RT9426A_REG_BDCNTL, read_page_cmd);
mdelay(5);
regval = rt9426a_reg_read_word(chip->i2c, RT9426A_REG_SWINDOW1);
if (regval != 0xFFFF)
break;
}
}
static void rt9426a_write_page_cmd(struct rt9426a_chip *chip, uint8_t page)