staging: fbtft: use helper fbtft_write_buf_dc in fbtft-bus.c (e70065fd) · Commits · 戴 / test

drivers/staging/fbtft/fbtft-bus.c

+8 −23

Original line number	Diff line number	Diff line
		@@ -36,14 +36,9 @@ void func(struct fbtft_par *par, int len, ...) \
		} \
		\
		*buf = modifier((type)va_arg(args, unsigned int)); \
		if (par->gpio.dc != -1) \
		gpio_set_value(par->gpio.dc, 0); \
		ret = par->fbtftops.write(par, par->buf, sizeof(type) + offset); \
		if (ret < 0) { \
		va_end(args); \
		dev_err(par->info->device, "%s: write() failed and returned %d\n", __func__, ret); \
		return; \
		} \
		ret = fbtft_write_buf_dc(par, par->buf, sizeof(type) + offset, 0); \
		if (ret < 0) \
		goto out; \
		len--; \
		\
		if (par->startbyte) \
		@@ -51,19 +46,12 @@ void func(struct fbtft_par *par, int len, ...) \
		\
		if (len) { \
		i = len; \
		while (i--) { \
		while (i--) \
		*buf++ = modifier((type)va_arg(args, unsigned int)); \
		fbtft_write_buf_dc(par, par->buf, \
		len * (sizeof(type) + offset), 1); \
		} \
		if (par->gpio.dc != -1) \
		gpio_set_value(par->gpio.dc, 1); \
		ret = par->fbtftops.write(par, par->buf, \
		len * (sizeof(type) + offset)); \
		if (ret < 0) { \
		va_end(args); \
		dev_err(par->info->device, "%s: write() failed and returned %d\n", __func__, ret); \
		return; \
		} \
		} \
		out: \
		va_end(args); \
		} \
		EXPORT_SYMBOL(func);
		@@ -243,10 +231,7 @@ int fbtft_write_vmem16_bus16(struct fbtft_par *par, size_t offset, size_t len)

		vmem16 = (u16 *)(par->info->screen_buffer + offset);

		if (par->gpio.dc != -1)
		gpio_set_value(par->gpio.dc, 1);

		/* no need for buffered write with 16-bit bus */
		return par->fbtftops.write(par, vmem16, len);
		return fbtft_write_buf_dc(par, vmem16, len, 1);
		}
		EXPORT_SYMBOL(fbtft_write_vmem16_bus16);