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media: ccs: Allow range in between I²C retries 

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>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Sakari Ailus 2020-11-13 16:07:28 +01:00 committed by Mauro Carvalho Chehab
parent 7389d01cc5
commit 2dd4b57944
1 changed files with 2 additions and 2 deletions
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4
drivers/media/i2c/ccs/ccs-reg-access.c
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@ -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,