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[2/5] Input: drv260x - sleep between polling GO bit

Message ID 20230430-drv260x-improvements-v1-2-1fb28b4cc698@z3ntu.xyz (mailing list archive)
State Not Applicable
Headers show
Series Improvements for drv260x driver and add to Huawei Watch | expand

Commit Message

Luca Weiss April 30, 2023, 6:20 p.m. UTC
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>
---
 drivers/input/misc/drv260x.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/drivers/input/misc/drv260x.c b/drivers/input/misc/drv260x.c
index e95c4e775b5d..884d43eb4b61 100644
--- 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,