media: staging: media: imx: imx7-mipi-csis: Dump MIPI_CSIS_FRAME_COUNTER_CH0 register

The frame counter is useful debugging information, add it to the
register dump printed by mipi_csis_dump_regs().
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Reviewed-by: Jerome Brunet <jbrunet@baylibre.com>
Tested-by: Jerome Brunet <jbrunet@baylibre.com> # On i.MX8MP
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/staging/media/imx/imx7-mipi-csis.c

@@ -211,6 +211,8 @@
 #define MIPI_CSIS_DBG_INTR_SRC_CAM_VSYNC_FALL	BIT(4)
 #define MIPI_CSIS_DBG_INTR_SRC_CAM_VSYNC_RISE	BIT(0)
 
+#define MIPI_CSIS_FRAME_COUNTER_CH(n)		(0x0100 + (n) * 4)
+
 /* Non-image packet data buffers */
 #define MIPI_CSIS_PKTDATA_ODD			0x2000
 #define MIPI_CSIS_PKTDATA_EVEN			0x3000
@@ -773,6 +775,7 @@ static int mipi_csis_dump_regs(struct csi_state *state)
 		{ MIPI_CSIS_SDW_CONFIG_CH(0), "SDW_CONFIG_CH0" },
 		{ MIPI_CSIS_SDW_RESOL_CH(0), "SDW_RESOL_CH0" },
 		{ MIPI_CSIS_DBG_CTRL, "DBG_CTRL" },
+		{ MIPI_CSIS_FRAME_COUNTER_CH(0), "FRAME_COUNTER_CH0" },
 	};
 
 	unsigned int i;