Hi Lad, On Fri, Feb 28, 2020 at 1:41 PM Lad Prabhakar <prabhakar.csengg@xxxxxxxxx> wrote: > > OV5645 can operate in virtual channel 0-3 in CSI2 interfaces, this patch > adds support for module parameter virtual_channel to select the required > channel. By default OV5645 operates in virtual channel 0. > > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx> > --- > drivers/media/i2c/ov5645.c | 28 ++++++++++++++++++++++++++++ > 1 file changed, 28 insertions(+) > > diff --git a/drivers/media/i2c/ov5645.c b/drivers/media/i2c/ov5645.c > index a6c17d15d754..0a0671164623 100644 > --- a/drivers/media/i2c/ov5645.c > +++ b/drivers/media/i2c/ov5645.c > @@ -54,6 +54,7 @@ > #define OV5645_TIMING_TC_REG21 0x3821 > #define OV5645_SENSOR_MIRROR BIT(1) > #define OV5645_MIPI_CTRL00 0x4800 > +#define OV5645_REG_DEBUG_MODE 0x4814 > #define OV5645_PRE_ISP_TEST_SETTING_1 0x503d > #define OV5645_TEST_PATTERN_MASK 0x3 > #define OV5645_SET_TEST_PATTERN(x) ((x) & OV5645_TEST_PATTERN_MASK) > @@ -61,6 +62,11 @@ > #define OV5645_SDE_SAT_U 0x5583 > #define OV5645_SDE_SAT_V 0x5584 > > +static u8 virtual_channel; > +module_param(virtual_channel, byte, 0644); > +MODULE_PARM_DESC(virtual_channel, > + "MIPI CSI-2 virtual channel (0..3), default 0"); Should this be a device tree property instead?