Commit ebc0bc27 authored by Sakari Ailus's avatar Sakari Ailus Committed by Mauro Carvalho Chehab

media: ccs: Use longer pre-I²C sleep for CCS compliant devices

Longer idle period is required on I²C bus before the first transaction
after lifting xshutdown.
Signed-off-by: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent 2b5b9af8
...@@ -1300,6 +1300,7 @@ static int ccs_power_on(struct device *dev) ...@@ -1300,6 +1300,7 @@ static int ccs_power_on(struct device *dev)
*/ */
struct ccs_sensor *sensor = struct ccs_sensor *sensor =
container_of(ssd, struct ccs_sensor, ssds[0]); container_of(ssd, struct ccs_sensor, ssds[0]);
const struct ccs_device *ccsdev = device_get_match_data(dev);
unsigned int sleep; unsigned int sleep;
int rval; int rval;
...@@ -1320,7 +1321,11 @@ static int ccs_power_on(struct device *dev) ...@@ -1320,7 +1321,11 @@ static int ccs_power_on(struct device *dev)
gpiod_set_value(sensor->reset, 0); gpiod_set_value(sensor->reset, 0);
gpiod_set_value(sensor->xshutdown, 1); gpiod_set_value(sensor->xshutdown, 1);
sleep = SMIAPP_RESET_DELAY(sensor->hwcfg.ext_clk); if (ccsdev->flags & CCS_DEVICE_FLAG_IS_SMIA)
sleep = SMIAPP_RESET_DELAY(sensor->hwcfg.ext_clk);
else
sleep = 5000;
usleep_range(sleep, sleep); usleep_range(sleep, sleep);
/* /*
......
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