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authorTrent Piepho <xyzzy@speakeasy.org>2007-04-27 22:56:28 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2007-05-09 10:12:30 -0300
commit5f12491c36acb94670d822a90c9295f6fd671c8a (patch)
tree5ea5d0cd8fb4d705e491c5efb8098d2852fed9dd /drivers
parent452c0fb46b1d68b1dae37cea7ccebd70a80397e4 (diff)
V4L/DVB (5570): V4l1-compat: misc fixes for pixelformat function
Mark the palette2pixelformat lookup table as const pixelformat is unsigned, adjust the palette2pixelformat table and pixelformat_to_palette() palette_to_pixelformat() is a pure function pixelformat_to_palette() is a const function Signed-off-by: Trent Piepho <xyzzy@speakeasy.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/video/v4l1-compat.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/media/video/v4l1-compat.c b/drivers/media/video/v4l1-compat.c
index a861e150865..efb67d29fc0 100644
--- a/drivers/media/video/v4l1-compat.c
+++ b/drivers/media/video/v4l1-compat.c
@@ -127,7 +127,7 @@ set_v4l_control(struct inode *inode,
/* ----------------------------------------------------------------- */
-static int palette2pixelformat[] = {
+const static unsigned int palette2pixelformat[] = {
[VIDEO_PALETTE_GREY] = V4L2_PIX_FMT_GREY,
[VIDEO_PALETTE_RGB555] = V4L2_PIX_FMT_RGB555,
[VIDEO_PALETTE_RGB565] = V4L2_PIX_FMT_RGB565,
@@ -145,7 +145,7 @@ static int palette2pixelformat[] = {
[VIDEO_PALETTE_YUV422P] = V4L2_PIX_FMT_YUV422P,
};
-static unsigned int
+static unsigned int __attribute_pure__
palette_to_pixelformat(unsigned int palette)
{
if (palette < ARRAY_SIZE(palette2pixelformat))
@@ -154,8 +154,8 @@ palette_to_pixelformat(unsigned int palette)
return 0;
}
-static unsigned int
-pixelformat_to_palette(int pixelformat)
+static unsigned int __attribute_const__
+pixelformat_to_palette(unsigned int pixelformat)
{
int palette = 0;
switch (pixelformat)