staging: fbtft: convert a macro to a function. (dfa5fbb9) · Commits · 戴 / test

Convert a macro to an inline function to improve type safety and make the code simpler. Signed-off-by:

drivers/staging/fbtft/fb_watterott.c

+5 −4

Original line number	Diff line number	Diff line
		@@ -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,