* [PATCH] it913x [BUG] Enable endpoint 3 on devices with HID interface.
@ 2012-10-20 21:03 Malcolm Priestley
0 siblings, 0 replies; only message in thread
From: Malcolm Priestley @ 2012-10-20 21:03 UTC (permalink / raw)
To: linux-media
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
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2012-10-20 21:03 [PATCH] it913x [BUG] Enable endpoint 3 on devices with HID interface Malcolm Priestley
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