Add read TOC with format 1 to support CD-ROM emulation with
Windows OS.
This patch is tested on Windows OS Server 2019.
Signed-off-by: Neal Liu <neal_liu@xxxxxxxxxxxxxx>
---
drivers/usb/gadget/function/f_mass_storage.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c
index 3a77bca0ebe1..9edf76c22605 100644
--- a/drivers/usb/gadget/function/f_mass_storage.c
+++ b/drivers/usb/gadget/function/f_mass_storage.c
@@ -1209,7 +1209,8 @@ static int do_read_toc(struct fsg_common *common, struct fsg_buffhd *bh)
switch (format) {
case 0:
- /* Formatted TOC */
+ case 1:
+ /* Formatted TOC, Session info */
len = 4 + 2*8; /* 4 byte header + 2 descriptors */
memset(buf, 0, len);
buf[1] = len - 2; /* TOC Length excludes length field */
@@ -1250,7 +1251,7 @@ static int do_read_toc(struct fsg_common *common, struct fsg_buffhd *bh)
return len;
default:
- /* Multi-session, PMA, ATIP, CD-TEXT not supported/required */
+ /* PMA, ATIP, CD-TEXT not supported/required */
curlun->sense_data = SS_INVALID_FIELD_IN_CDB;
return -EINVAL;
}
--
2.25.1
