diff mbox series

[21/30] ccs: Allow range in between I²C retries

Message ID 20201124093226.23737-22-sakari.ailus@linux.intel.com
State Superseded
Headers show
Series Trivial MIPI CCS support | expand

Commit Message

Sakari Ailus Nov. 24, 2020, 9:32 a.m. UTC
Make the delay between I²C access retries a range between 1 and 2 ms. Also
make the number of retries 10 instead of 5, in order not to reduce the
total amount of time.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
---
 drivers/media/i2c/ccs/ccs-reg-access.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/media/i2c/ccs/ccs-reg-access.c b/drivers/media/i2c/ccs/ccs-reg-access.c
index aad2727570ec..79efed5e0dad 100644
--- a/drivers/media/i2c/ccs/ccs-reg-access.c
+++ b/drivers/media/i2c/ccs/ccs-reg-access.c
@@ -256,7 +256,7 @@  int ccs_write_addr_no_quirk(struct ccs_sensor *sensor, u32 reg, u32 val)
 	put_unaligned_be16(CCS_REG_ADDR(reg), data);
 	put_unaligned_be32(val << (8 * (sizeof(val) - len)), data + 2);
 
-	for (retries = 0; retries < 5; retries++) {
+	for (retries = 0; retries < 10; retries++) {
 		/*
 		 * Due to unknown reason sensor stops responding. This
 		 * loop is a temporaty solution until the root cause
@@ -271,7 +271,7 @@  int ccs_write_addr_no_quirk(struct ccs_sensor *sensor, u32 reg, u32 val)
 			return 0;
 		}
 
-		usleep_range(2000, 2000);
+		usleep_range(1000, 2000);
 	}
 
 	dev_err(&client->dev,