video: fbdev: mark expected switch fall-throughs

In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>

diff --git a/drivers/video/fbdev/i740fb.c b/drivers/video/fbdev/i740fb.c
index 7bc5f60..f6d7b04 100644 (file)
--- a/drivers/video/fbdev/i740fb.c
+++ b/drivers/video/fbdev/i740fb.c
@@ -429,6 +429,7 @@ static int i740fb_decode_var(const struct fb_var_screeninfo *var,
                break;
        case 9 ... 15:
                bpp = 15;
+               /* fall through */
        case 16:
                if ((1000000 / var->pixclock) > DACSPEED16) {
                        dev_err(info->device, "requested pixclock %i MHz out of range (max. %i MHz at 15/16bpp)\n",

diff --git a/drivers/video/fbdev/pm2fb.c b/drivers/video/fbdev/pm2fb.c
index bd6c2f5..1dcf02e 100644 (file)
--- a/drivers/video/fbdev/pm2fb.c
+++ b/drivers/video/fbdev/pm2fb.c
@@ -233,8 +233,10 @@ static u32 to3264(u32 timing, int bpp, int is64)
        switch (bpp) {
        case 24:
                timing *= 3;
+               /* fall through */
        case 8:
                timing >>= 1;
+               /* fall through */
        case 16:
                timing >>= 1;
        case 32:

diff --git a/drivers/video/fbdev/tdfxfb.c b/drivers/video/fbdev/tdfxfb.c
index dec1fed..fbbf26b 100644 (file)
--- a/drivers/video/fbdev/tdfxfb.c
+++ b/drivers/video/fbdev/tdfxfb.c
@@ -522,6 +522,7 @@ static int tdfxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
        case 32:
                var->transp.offset = 24;
                var->transp.length = 8;
+               /* fall through */
        case 24:
                var->red.offset = 16;
                var->green.offset = 8;

diff --git a/drivers/video/fbdev/via/lcd.c b/drivers/video/fbdev/via/lcd.c
index 5d21ff4..b9305d7 100644 (file)
--- a/drivers/video/fbdev/via/lcd.c
+++ b/drivers/video/fbdev/via/lcd.c
@@ -758,6 +758,7 @@ static void set_lcd_output_path(int set_iga, int output_interface)
                    viaparinfo->chip_info->gfx_chip_name))
                        viafb_write_reg_mask(CR97, VIACR, 0x84,
                                       BIT7 + BIT2 + BIT1 + BIT0);
+               /* fall through */
        case INTERFACE_DVP0:
        case INTERFACE_DVP1:
        case INTERFACE_DFP_HIGH: