Re: [PATCH] media: ccs: Accommodate C-PHY into the calculation
From: Mehdi Djait
Date: Wed Jan 07 2026 - 11:46:12 EST
Hi David,
Thank you for the patch
On Tue, Jan 06, 2026 at 04:14:05PM +0100, David Heidelberg via B4 Relay wrote:
> From: David Heidelberg <david@xxxxxxx>
>
> We need to set correct mode for PLL to calculate correct frequency.
> Signalling mode is known at this point, so use it for that.
>
> Fixes: 47b6eaf36eba ("media: ccs-pll: Differentiate between CSI-2 D-PHY and C-PHY")
> Signed-off-by: David Heidelberg <david@xxxxxxx>
> ---
> drivers/media/i2c/ccs/ccs-core.c | 9 ++++++++-
> 1 file changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/media/i2c/ccs/ccs-core.c b/drivers/media/i2c/ccs/ccs-core.c
> index f8523140784c7..2d689e47ed094 100644
> --- a/drivers/media/i2c/ccs/ccs-core.c
> +++ b/drivers/media/i2c/ccs/ccs-core.c
> @@ -3425,7 +3425,14 @@ static int ccs_probe(struct i2c_client *client)
> sensor->scale_m = CCS_LIM(sensor, SCALER_N_MIN);
>
> /* prepare PLL configuration input values */
> - sensor->pll.bus_type = CCS_PLL_BUS_TYPE_CSI2_DPHY;
> + switch (sensor->hwcfg.csi_signalling_mode) {
> + case CCS_CSI_SIGNALING_MODE_CSI_2_CPHY:
> + sensor->pll.bus_type = CCS_PLL_BUS_TYPE_CSI2_CPHY;
> + break;
> + case CCS_CSI_SIGNALING_MODE_CSI_2_DPHY:
> + sensor->pll.bus_type = CCS_PLL_BUS_TYPE_CSI2_DPHY;
> + break;
I think it is safer to add a default case here
--
Kind Regards
Mehdi Djait