From: Malcolm Priestley <tvboxspy@gmail.com>
To: linux-media@vger.kernel.org
Subject: [PATCH] it913x [BUG] Enable endpoint 3 on devices with HID interface.
Date: Sat, 20 Oct 2012 22:03:15 +0100 [thread overview]
Message-ID: <1350766995.3089.2.camel@Route3278> (raw)
On some USB controllers when endpoint 3 (used by HID) is not enabled
this causes a USB reset.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
---
drivers/media/usb/dvb-usb-v2/it913x.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/media/usb/dvb-usb-v2/it913x.c b/drivers/media/usb/dvb-usb-v2/it913x.c
index 695f910..4498f60 100644
--- a/drivers/media/usb/dvb-usb-v2/it913x.c
+++ b/drivers/media/usb/dvb-usb-v2/it913x.c
@@ -659,13 +659,19 @@ static int it913x_frontend_attach(struct dvb_usb_adapter *adap)
it913x_wr_reg(d, DEV_0_DMOD, MP2IF2_SW_RST, 0x1);
it913x_wr_reg(d, DEV_0, EP0_TX_EN, 0x0f);
it913x_wr_reg(d, DEV_0, EP0_TX_NAK, 0x1b);
- it913x_wr_reg(d, DEV_0, EP0_TX_EN, 0x2f);
+ if (st->proprietary_ir == false) /* Enable endpoint 3 */
+ it913x_wr_reg(d, DEV_0, EP0_TX_EN, 0x3f);
+ else
+ it913x_wr_reg(d, DEV_0, EP0_TX_EN, 0x2f);
it913x_wr_reg(d, DEV_0, EP4_TX_LEN_LSB,
ep_size & 0xff);
it913x_wr_reg(d, DEV_0, EP4_TX_LEN_MSB, ep_size >> 8);
ret = it913x_wr_reg(d, DEV_0, EP4_MAX_PKT, pkt_size);
} else if (adap->id == 1 && adap->fe[0]) {
- it913x_wr_reg(d, DEV_0, EP0_TX_EN, 0x6f);
+ if (st->proprietary_ir == false)
+ it913x_wr_reg(d, DEV_0, EP0_TX_EN, 0x7f);
+ else
+ it913x_wr_reg(d, DEV_0, EP0_TX_EN, 0x6f);
it913x_wr_reg(d, DEV_0, EP5_TX_LEN_LSB,
ep_size & 0xff);
it913x_wr_reg(d, DEV_0, EP5_TX_LEN_MSB, ep_size >> 8);
--
1.7.10.4
reply other threads:[~2012-10-20 21:03 UTC|newest]
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