staging: fbtft: fb_sh1106: use new helper helper fbtft_write_buf_dc (74ec0a0e) · Commits · 戴 / test

drivers/staging/fbtft/fb_sh1106.c

+4 −13

Original line number	Diff line number	Diff line
		@@ -140,14 +140,10 @@ static int write_vmem(struct fbtft_par *par, size_t offset, size_t len)
		buf[x] \|= BIT(i);

		/* Write data */
		gpio_set_value(par->gpio.dc, 1);
		ret = par->fbtftops.write(par, buf, xres);
		if (ret < 0) {
		dev_err(par->info->device,
		"write failed and returned: %d\n", ret);
		ret = fbtft_write_buf_dc(par, buf, xres, 1);
		if (ret < 0)
		return ret;
		}
		}

		return 0;
		}
		@@ -155,7 +151,7 @@ static int write_vmem(struct fbtft_par *par, size_t offset, size_t len)
		static void write_register(struct fbtft_par *par, int len, ...)
		{
		va_list args;
		int i, ret;
		int i;

		va_start(args, len);

		@@ -163,12 +159,7 @@ static void write_register(struct fbtft_par *par, int len, ...)
		par->buf[i] = va_arg(args, unsigned int);

		/* keep DC low for all command bytes to transfer */
		gpio_set_value(par->gpio.dc, 0);

		ret = par->fbtftops.write(par, par->buf, len);
		if (ret < 0)
		dev_err(par->info->device,
		"write() failed and returned %d\n", ret);
		fbtft_write_buf_dc(par, par->buf, len, 0);

		va_end(args);
		}