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media: ddbridge: fix gap handling

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Force gap setting if given by attribute and enable gap for older regmaps.
Also, setting a gap value of 128 via sysfs will now disable gap.

Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Daniel Scheller 2017-08-20 06:41:09 -04:00 committed by Mauro Carvalho Chehab
parent 0758ecdbd8
commit bae7c75b11
1 changed files with 5 additions and 1 deletions
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6
drivers/media/pci/ddbridge/ddbridge-core.c
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@ -336,6 +336,7 @@ static void calc_con(struct ddb_output *output, u32 *con, u32 *con2, u32 flags)
if (output->port->gap != 0xffffffff) {
flags |= 1;
gap = output->port->gap;
max_bitrate = 0;
}
if (dev->link[0].info->type == DDB_OCTOPUS_CI && output->port->nr > 1) {
*con = 0x10c;
@ -372,6 +373,7 @@ static void calc_con(struct ddb_output *output, u32 *con, u32 *con2, u32 flags)
*con |= 0x810; /* 96 MBit/s and gap */
max_bitrate = 96000;
}
*con |= 0x10; /* enable gap */
}
}
if (max_bitrate > 0) {
@ -3203,8 +3205,10 @@ static ssize_t gap_store(struct device *device, struct device_attribute *attr,
if (sscanf(buf, "%u\n", &val) != 1)
return -EINVAL;
if (val > 20)
if (val > 128)
return -EINVAL;
if (val == 128)
val = 0xffffffff;
dev->port[num].gap = val;
return count;
}