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drm/sun4i: tcon: Mark expected switch fall-through 

Mark switch cases where we are expecting to fall through.

Fix the following warning (Building: sunxi_defconfig arm):

drivers/gpu/drm/sun4i/sun4i_tcon.c: In function ‘sun4i_tcon0_mode_set_dithering’:
drivers/gpu/drm/sun4i/sun4i_tcon.c:318:7: warning: this statement may fall through [-Wimplicit-fallthrough=]
   val |= SUN4I_TCON0_FRM_CTL_MODE_B;
drivers/gpu/drm/sun4i/sun4i_tcon.c:319:2: note: here
  case MEDIA_BUS_FMT_RGB666_1X18:
  ^~~~

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
This commit is contained in:
Gustavo A. R. Silva 2019-08-20 12:47:06 -05:00
parent edf6a05976
commit 5334653d4f
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/sun4i/sun4i_tcon.c
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@ -314,6 +314,7 @@ static void sun4i_tcon0_mode_set_dithering(struct sun4i_tcon *tcon,
/* R and B components are only 5 bits deep */ /* R and B components are only 5 bits deep */
val |= SUN4I_TCON0_FRM_CTL_MODE_R; val |= SUN4I_TCON0_FRM_CTL_MODE_R;
val |= SUN4I_TCON0_FRM_CTL_MODE_B; val |= SUN4I_TCON0_FRM_CTL_MODE_B;
/* Fall through */
case MEDIA_BUS_FMT_RGB666_1X18: case MEDIA_BUS_FMT_RGB666_1X18:
case MEDIA_BUS_FMT_RGB666_1X7X3_SPWG: case MEDIA_BUS_FMT_RGB666_1X7X3_SPWG:
/* Fall through: enable dithering */ /* Fall through: enable dithering */