From: Neal Liu <neal_liu@aspeedtech.com>
To: Felipe Balbi <balbi@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Alan Stern <stern@rowland.harvard.edu>
Cc: Roger Quadros <roger.quadros@nokia.com>,
Miaohe Lin <linmiaohe@huawei.com>,
Wesley Cheng <quic_wcheng@quicinc.com>,
"Eric W . Biederman" <ebiederm@xmission.com>,
Matthew Wilcox <willy@infradead.org>,
Nikita Yushchenko <nikita.yoush@cogentembedded.com>,
Cai Huoqing <cai.huoqing@linux.dev>, <linux-usb@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <BMC-SW@aspeedtech.com>
Subject: [PATCH RESEND] usb: gadget: f_mass_storage: Make CD-ROM emulation works with Windows OS
Date: Thu, 23 Jun 2022 11:04:05 +0800 [thread overview]
Message-ID: <20220623030405.1922980-1-neal_liu@aspeedtech.com> (raw)
Add read TOC with format 2 to support CD-ROM emulation with
Windows OS.
This patch is tested on Windows OS Server 2019.
Signed-off-by: Neal Liu <neal_liu@aspeedtech.com>
---
drivers/usb/gadget/function/f_mass_storage.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c
index 3a77bca0ebe1..3c2a5f1e8b66 100644
--- a/drivers/usb/gadget/function/f_mass_storage.c
+++ b/drivers/usb/gadget/function/f_mass_storage.c
@@ -1209,6 +1209,7 @@ static int do_read_toc(struct fsg_common *common, struct fsg_buffhd *bh)
switch (format) {
case 0:
+ case 1:
/* Formatted TOC */
len = 4 + 2*8; /* 4 byte header + 2 descriptors */
memset(buf, 0, len);
--
2.25.1
next reply other threads:[~2022-06-23 4:48 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-23 3:04 Neal Liu [this message]
2022-06-23 7:52 ` Greg Kroah-Hartman
2022-06-23 8:43 ` Neal Liu
2022-06-23 14:48 ` Alan Stern
2022-06-24 2:11 ` Neal Liu
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