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Input: drv260x - sleep between polling GO bit
author
Luca Weiss
<luca@z3ntu.xyz>
Tue, 2 May 2023 00:01:45 +0000
(17:01 -0700)
committer
Dmitry Torokhov
<dmitry.torokhov@gmail.com>
Tue, 2 May 2023 00:07:09 +0000
(17:07 -0700)
When doing the initial startup there's no need to poll without any
delay and spam the I2C bus.
Let's sleep 15ms between each attempt, which is the same time as used
in the vendor driver.
Fixes:
7132fe4f5687
("Input: drv260x - add TI drv260x haptics driver")
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Link:
https://lore.kernel.org/r/20230430-drv260x-improvements-v1-2-1fb28b4cc698@z3ntu.xyz
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
drivers/input/misc/drv260x.c
patch
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diff --git
a/drivers/input/misc/drv260x.c
b/drivers/input/misc/drv260x.c
index
e95c4e7
..
884d43e
100644
(file)
--- a/
drivers/input/misc/drv260x.c
+++ b/
drivers/input/misc/drv260x.c
@@
-435,6
+435,7
@@
static int drv260x_init(struct drv260x_data *haptics)
}
do {
+ usleep_range(15000, 15500);
error = regmap_read(haptics->regmap, DRV260X_GO, &cal_buf);
if (error) {
dev_err(&haptics->client->dev,