+/* receive a response */
+static int azx_single_wait_for_response(struct azx *chip)
+{
+ int timeout = 50;
+
+ while (timeout--) {
+ /* check IRV busy bit */
+ if (azx_readw(chip, IRS) & ICH6_IRS_VALID) {
+ /* reuse rirb.res as the response return value */
+ chip->rirb.res = azx_readl(chip, IR);
+ return 0;
+ }
+ udelay(1);
+ }
+ if (printk_ratelimit())
+ snd_printd(SFX "get_response timeout: IRS=0x%x\n",
+ azx_readw(chip, IRS));
+ chip->rirb.res = -1;
+ return -EIO;
+}
+