static void sead3_update()

in img-ascii-lcd.c [170:201]

• 27 lines of code
• 7 McCabe index (conditional complexity)

static void sead3_update(struct linedisp *linedisp)
{
	struct img_ascii_lcd_ctx *ctx =
		container_of(linedisp, struct img_ascii_lcd_ctx, linedisp);
	unsigned int i;
	int err = 0;

	for (i = 0; i < linedisp->num_chars; i++) {
		err = sead3_wait_lcd_idle(ctx);
		if (err)
			break;

		err = regmap_write(ctx->regmap,
				   ctx->offset + SEAD3_REG_LCD_CTRL,
				   SEAD3_REG_LCD_CTRL_SETDRAM | i);
		if (err)
			break;

		err = sead3_wait_lcd_idle(ctx);
		if (err)
			break;

		err = regmap_write(ctx->regmap,
				   ctx->offset + SEAD3_REG_LCD_DATA,
				   ctx->curr[i]);
		if (err)
			break;
	}

	if (unlikely(err))
		pr_err_ratelimited("Failed to update LCD display: %d\n", err);
}