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Date: Tue, 3 Mar 2015 22:13:41 -0800 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Malcolm Priestley <tvboxspy@...il.com>, Mauro Carvalho Chehab <mchehab@....samsung.com> Subject: [PATCH 3.19 043/175] [media] lmedm04: Increase Interupt due time to 200 msec 3.19-stable review patch. If anyone has any objections, please let me know. ------------------ From: Malcolm Priestley <tvboxspy@...il.com> commit cfcd7b825892cb498c6bcb13257f2141f7eacb76 upstream. Ocassionally the device fails to report back an interrupt urb status which results in false no lock trigger on the RS2000 demodulator. Increase time from 60 msecs to 200 msecs. Signed-off-by: Malcolm Priestley <tvboxspy@...il.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@....samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- drivers/media/usb/dvb-usb-v2/lmedm04.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) --- a/drivers/media/usb/dvb-usb-v2/lmedm04.c +++ b/drivers/media/usb/dvb-usb-v2/lmedm04.c @@ -344,9 +344,10 @@ static void lme2510_int_response(struct usb_submit_urb(lme_urb, GFP_ATOMIC); - /* interrupt urb is due every 48 msecs while streaming - * add 12msecs for system lag */ - st->int_urb_due = jiffies + msecs_to_jiffies(60); + /* Interrupt urb is due every 48 msecs while streaming the buffer + * stores up to 4 periods if missed. Allow 200 msec for next interrupt. + */ + st->int_urb_due = jiffies + msecs_to_jiffies(200); } static int lme2510_int_read(struct dvb_usb_adapter *adap) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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