From: "Levin, Alexander (Sasha Levin)" <alexander.levin@verizon.com>
To: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"stable@vger.kernel.org" <stable@vger.kernel.org>
Cc: Oleh Kravchenko <oleg@kaa.org.ua>,
Mauro Carvalho Chehab <mchehab@s-opensource.com>,
"Levin, Alexander (Sasha Levin)" <alexander.levin@verizon.com>
Subject: [PATCH review for 3.18 06/12] [media] cx231xx: Fix I2C on Internal Master 3 Bus
Date: Sat, 7 Oct 2017 22:38:00 +0000 [thread overview]
Message-ID: <20171007223752.25085-6-alexander.levin@verizon.com> (raw)
In-Reply-To: <20171007223752.25085-1-alexander.levin@verizon.com>
From: Oleh Kravchenko <oleg@kaa.org.ua>
[ Upstream commit 6c5da8031a3abfad259190d35f83d89568b72ee2 ]
Internal Master 3 Bus can send and receive only 4 bytes per time.
Signed-off-by: Oleh Kravchenko <oleg@kaa.org.ua>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
---
drivers/media/usb/cx231xx/cx231xx-core.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/media/usb/cx231xx/cx231xx-core.c b/drivers/media/usb/cx231xx/cx231xx-core.c
index 180103e48036..6ec0ac8a737e 100644
--- a/drivers/media/usb/cx231xx/cx231xx-core.c
+++ b/drivers/media/usb/cx231xx/cx231xx-core.c
@@ -365,7 +365,12 @@ int cx231xx_send_vendor_cmd(struct cx231xx *dev,
*/
if ((ven_req->wLength > 4) && ((ven_req->bRequest == 0x4) ||
(ven_req->bRequest == 0x5) ||
- (ven_req->bRequest == 0x6))) {
+ (ven_req->bRequest == 0x6) ||
+
+ /* Internal Master 3 Bus can send
+ * and receive only 4 bytes per time
+ */
+ (ven_req->bRequest == 0x2))) {
unsend_size = 0;
pdata = ven_req->pBuff;
--
2.11.0
next prev parent reply other threads:[~2017-10-07 22:39 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-07 22:37 [PATCH review for 3.18 01/12] mmc: s3cmci: include linux/interrupt.h for tasklet_struct Levin, Alexander (Sasha Levin)
2017-10-07 22:37 ` [PATCH review for 3.18 04/12] ext4: do not use stripe_width if it is not set Levin, Alexander (Sasha Levin)
2017-10-07 22:37 ` [PATCH review for 3.18 02/12] staging: rtl8712u: Fix endian settings for structs describing network packets Levin, Alexander (Sasha Levin)
2017-10-07 22:37 ` [PATCH review for 3.18 03/12] ext4: fix stripe-unaligned allocations Levin, Alexander (Sasha Levin)
2017-10-07 22:38 ` [PATCH review for 3.18 07/12] xen/manage: correct return value check on xenbus_scanf() Levin, Alexander (Sasha Levin)
2017-10-07 22:38 ` [PATCH review for 3.18 08/12] platform/x86: intel_mid_thermal: Fix module autoload Levin, Alexander (Sasha Levin)
2017-10-07 22:38 ` [PATCH review for 3.18 05/12] i2c: riic: correctly finish transfers Levin, Alexander (Sasha Levin)
2017-10-07 22:38 ` Levin, Alexander (Sasha Levin) [this message]
2017-10-07 22:38 ` [PATCH review for 3.18 09/12] staging: lustre: hsm: stack overrun in hai_dump_data_field Levin, Alexander (Sasha Levin)
2017-10-07 22:38 ` [PATCH review for 3.18 12/12] [media] bt8xx: fix memory leak Levin, Alexander (Sasha Levin)
2017-10-07 22:38 ` [PATCH review for 3.18 10/12] staging: lustre: ptlrpc: skip lock if export failed Levin, Alexander (Sasha Levin)
2017-10-07 22:38 ` [PATCH review for 3.18 11/12] s390/dasd: check for device error pointer within state change interrupts Levin, Alexander (Sasha Levin)
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