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| author | Sakari Ailus <sakari.ailus@linux.intel.com> | 2020-11-13 16:07:28 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-12-03 12:27:31 +0100 |
| commit | 2dd4b57944cc49b0693e17e6169b6c6ca0166abd (patch) | |
| tree | a158f99c075a7a7102458b5816cd985718f2b170 | |
| parent | 7389d01cc5d7cac6920f28e04afdf85c287e25a1 (diff) | |
| download | linux-2dd4b57944cc49b0693e17e6169b6c6ca0166abd.tar.bz2 | |
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>
| -rw-r--r-- | drivers/media/i2c/ccs/ccs-reg-access.c | 4 |
1 files changed, 2 insertions, 2 deletions
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, |