greybus: camera: Add bpp to Greybus Format description

Add the bytes per pixel value to the structure describing a Greybus
Protocol Image Format.
The bpp information will be used to compute the length in bytes of a
line of pixel data

Signed-off-by: Jacopo Mondi <jacopo.mondi@linaro.org>
Reviewed-by: Gjorgji Rosikopulos <grosikopulos@mm-sol.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

diff --git a/drivers/staging/greybus/camera.c b/drivers/staging/greybus/camera.c
index bdceb77..7835ed7 100644 (file)
--- a/drivers/staging/greybus/camera.c
+++ b/drivers/staging/greybus/camera.c
@@ -74,76 +74,93 @@ struct gb_camera_stream_config {
        unsigned int max_size;
 };
 
-struct gb_camera_fmt_map {
+struct gb_camera_fmt_info {
        enum v4l2_mbus_pixelcode mbus_code;
        unsigned int gb_format;
+       unsigned int bpp;
 };
 
 /* GB format to media code map */
-static const struct gb_camera_fmt_map mbus_to_gbus_format[] = {
+static const struct gb_camera_fmt_info gb_fmt_info[] = {
        {
                .mbus_code = V4L2_MBUS_FMT_UYVY8_1X16,
                .gb_format = 0x01,
+               .bpp       = 16,
        },
        {
                .mbus_code = V4L2_MBUS_FMT_NV12_1x8,
                .gb_format = 0x12,
+               .bpp       = 12,
        },
        {
                .mbus_code = V4L2_MBUS_FMT_NV21_1x8,
                .gb_format = 0x13,
+               .bpp       = 12,
        },
        {
                .mbus_code = V4L2_MBUS_FMT_YU12_1x8,
                .gb_format = 0x16,
+               .bpp       = 12,
        },
        {
                .mbus_code = V4L2_MBUS_FMT_YV12_1x8,
                .gb_format = 0x17,
+               .bpp       = 12,
        },
        {
                .mbus_code = V4L2_MBUS_FMT_JPEG_1X8,
                .gb_format = 0x40,
+               .bpp       = 0,
        },
        {
                .mbus_code = V4L2_MBUS_FMT_ARA_METADATA_1X8,
                .gb_format = 0x41,
+               .bpp       = 0,
        },
        {
                .mbus_code = V4L2_MBUS_FMT_ARA_DEBUG_DATA_1X8,
                .gb_format = 0x42,
+               .bpp       = 0,
        },
        {
                .mbus_code = V4L2_MBUS_FMT_SBGGR10_1X10,
                .gb_format = 0x80,
+               .bpp       = 10,
        },
        {
                .mbus_code = V4L2_MBUS_FMT_SGBRG10_1X10,
                .gb_format = 0x81,
+               .bpp       = 10,
        },
        {
                .mbus_code = V4L2_MBUS_FMT_SGRBG10_1X10,
                .gb_format = 0x82,
+               .bpp       = 10,
        },
        {
                .mbus_code = V4L2_MBUS_FMT_SRGGB10_1X10,
                .gb_format = 0x83,
+               .bpp       = 10,
        },
        {
                .mbus_code = V4L2_MBUS_FMT_SBGGR12_1X12,
                .gb_format = 0x84,
+               .bpp       = 12,
        },
        {
                .mbus_code = V4L2_MBUS_FMT_SGBRG12_1X12,
                .gb_format = 0x85,
+               .bpp       = 12,
        },
        {
                .mbus_code = V4L2_MBUS_FMT_SGRBG12_1X12,
                .gb_format = 0x86,
+               .bpp       = 12,
        },
        {
                .mbus_code = V4L2_MBUS_FMT_SRGGB12_1X12,
                .gb_format = 0x87,
+               .bpp       = 12,
        },
 };
 
@@ -615,22 +632,22 @@ static unsigned int gb_camera_mbus_to_gb(enum v4l2_mbus_pixelcode mbus_code)
 {
        unsigned int i;
 
-       for (i = 0; i < ARRAY_SIZE(mbus_to_gbus_format); i++) {
-               if (mbus_to_gbus_format[i].mbus_code == mbus_code)
-                       return mbus_to_gbus_format[i].gb_format;
+       for (i = 0; i < ARRAY_SIZE(gb_fmt_info); i++) {
+               if (gb_fmt_info[i].mbus_code == mbus_code)
+                       return gb_fmt_info[i].gb_format;
        }
-       return mbus_to_gbus_format[0].gb_format;
+       return gb_fmt_info[0].gb_format;
 }
 
 static enum v4l2_mbus_pixelcode gb_camera_gb_to_mbus(u16 gb_fmt)
 {
        unsigned int i;
 
-       for (i = 0; i < ARRAY_SIZE(mbus_to_gbus_format); i++) {
-               if (mbus_to_gbus_format[i].gb_format == gb_fmt)
-                       return mbus_to_gbus_format[i].mbus_code;
+       for (i = 0; i < ARRAY_SIZE(gb_fmt_info); i++) {
+               if (gb_fmt_info[i].gb_format == gb_fmt)
+                       return gb_fmt_info[i].mbus_code;
        }
-       return mbus_to_gbus_format[0].mbus_code;
+       return gb_fmt_info[0].mbus_code;
 }
 
 static ssize_t gb_camera_op_capabilities(void *priv, char *data, size_t len)