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media: dvb_ca_en50221: Increase timeout for link init

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Some CAMs do a really slow initialization, which requires a longer timeout
for the first response.

Original code change by Ralph Metzler, modified by Jasmin Jessich to match
Kernel code style.

Signed-off-by: Ralph Metzler <rjkm@metzlerbros.de>
Signed-off-by: Jasmin Jessich <jasmin@anw.at>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Ralph Metzler 2017-06-25 18:37:06 -03:00 committed by Mauro Carvalho Chehab
parent cb61488a2f
commit 5dbddc99ec
1 changed files with 2 additions and 1 deletions
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3
drivers/media/dvb-core/dvb_ca_en50221.c
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@ -349,7 +349,8 @@ static int dvb_ca_en50221_link_init(struct dvb_ca_private *ca, int slot)
/* read the buffer size from the CAM */
if ((ret = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_COMMAND, IRQEN | CMDREG_SR)) != 0)
return ret;
if ((ret = dvb_ca_en50221_wait_if_status(ca, slot, STATUSREG_DA, HZ / 10)) != 0)
ret = dvb_ca_en50221_wait_if_status(ca, slot, STATUSREG_DA, HZ);
if (ret != 0)
return ret;
if ((ret = dvb_ca_en50221_read_data(ca, slot, buf, 2)) != 2)
return -EIO;