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staging: fbtft: convert a macro to a function.

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Convert a macro to an inline function to improve type safety and make
the code simpler.

Signed-off-by: Bhagyashri Dighole <digholebhagyashri@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Bhagyashri Dighole 2019-03-08 21:01:28 +05:30 committed by Greg Kroah-Hartman
parent d8b2f7cfe4
commit dfa5fbb9db
1 changed files with 5 additions and 4 deletions
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9
drivers/staging/fbtft/fb_watterott.c
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@ -90,9 +90,10 @@ static int write_vmem(struct fbtft_par *par, size_t offset, size_t len)
return 0;
}
#define RGB565toRGB332(c) ((((c) & 0xE000) >> 8) |\
(((c) & 000700) >> 6) |\
(((c) & 0x0018) >> 3))
static inline int rgb565_to_rgb332(u16 c)
{
return ((c & 0xE000) >> 8) | ((c & 000700) >> 6) | ((c & 0x0018) >> 3);
}
static int write_vmem_8bit(struct fbtft_par *par, size_t offset, size_t len)
{
@ -116,7 +117,7 @@ static int write_vmem_8bit(struct fbtft_par *par, size_t offset, size_t len)
for (i = start_line; i <= end_line; i++) {
pos[1] = cpu_to_be16(i);
for (j = 0; j < par->info->var.xres; j++) {
buf8[j] = RGB565toRGB332(*vmem16);
buf8[j] = rgb565_to_rgb332(*vmem16);
vmem16++;
}
ret = par->fbtftops.write(par,