ALSA: hda: cs35l41: Fix missing error code in cs35l41_smart_amp()

When firmware status is invalid, assign -EINVAL to ret as ret is '0' at
that point and returning success is incorrect when firmware status is
invalid.

Fixes: a51d8ba0 ("ALSA: hda: cs35l41: Check CSPL state after loading firmware")
Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>
Link: https://lore.kernel.org/r/20231030070836.3234385-1-harshit.m.mogalapalli@oracle.comSigned-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/cs35l41_hda.c

@@ -1042,6 +1042,7 @@ static int cs35l41_smart_amp(struct cs35l41_hda *cs35l41)
 	default:
 		dev_err(cs35l41->dev, "Firmware status is invalid: %u\n",
 			fw_status);
+		ret = -EINVAL;
 		goto clean_dsp;
 	}