static int sead3_wait_lcd_idle()

in img-ascii-lcd.c [140:168]

• 24 lines of code
• 6 McCabe index (conditional complexity)

static int sead3_wait_lcd_idle(struct img_ascii_lcd_ctx *ctx)
{
	unsigned int cpld_data;
	int err;

	err = sead3_wait_sm_idle(ctx);
	if (err)
		return err;

	do {
		err = regmap_read(ctx->regmap,
				  ctx->offset + SEAD3_REG_LCD_CTRL,
				  &cpld_data);
		if (err)
			return err;

		err = sead3_wait_sm_idle(ctx);
		if (err)
			return err;

		err = regmap_read(ctx->regmap,
				  ctx->offset + SEAD3_REG_CPLD_DATA,
				  &cpld_data);
		if (err)
			return err;
	} while (cpld_data & SEAD3_REG_CPLD_DATA_BUSY);

	return 0;
}