Structure at sound/drivers/portman2x4.c, line 81 References: sound/drivers/portman2x4.c, line 81 sound/drivers/portman2x4.c, line 93 sound/drivers/portman2x4.c, line 101 sound/drivers/portman2x4.c, line 103 sound/drivers/portman2x4.c, line 107 sound/drivers/portman2x4.c, line 196 sound/drivers/portman2x4.c, line 201 sound/drivers/portman2x4.c, line 206 sound/drivers/portman2x4.c, line 211 sound/drivers/portman2x4.c, line 216 sound/drivers/portman2x4.c, line 221 sound/drivers/portman2x4.c, line 293 sound/drivers/portman2x4.c, line 375 sound/drivers/portman2x4.c, line 400 sound/drivers/portman2x4.c, line 501 sound/drivers/portman2x4.c, line 525 sound/drivers/portman2x4.c, line 539 sound/drivers/portman2x4.c, line 566 sound/drivers/portman2x4.c, line 618 sound/drivers/portman2x4.c, line 719 sound/drivers/portman2x4.c, line 737