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: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

diff --git a/drivers/media/i2c/ccs/ccs-core.c b/drivers/media/i2c/ccs/ccs-core.c
index 863295b8fb5c57c8c9b0cadeafc7b47625c0fe99..5014aa0d79695b312fe53b77550eee5266679a5f 100644 (file)
--- a/drivers/media/i2c/ccs/ccs-core.c
+++ b/drivers/media/i2c/ccs/ccs-core.c
@@ -1300,6 +1300,7 @@ static int ccs_power_on(struct device *dev)
         */
        struct ccs_sensor *sensor =
                container_of(ssd, struct ccs_sensor, ssds[0]);
+       const struct ccs_device *ccsdev = device_get_match_data(dev);
        unsigned int sleep;
        int rval;
 
@@ -1320,7 +1321,11 @@ static int ccs_power_on(struct device *dev)
        gpiod_set_value(sensor->reset, 0);
        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);
 
        /*