Commit 2dd4b579 authored by Sakari Ailus's avatar Sakari Ailus Committed by Mauro Carvalho Chehab
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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: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent 7389d01c

drivers/media/i2c/ccs/ccs-reg-access.c

+2 −2
Original line number Diff line number Diff line
@@ -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,