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media: smiapp: Don't poll for NVM ready on devices that don't need it

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Only some devices require polling for NVM ready. Do the polling only on
devices that need it.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Sakari Ailus 2019-09-23 10:18:38 -03:00 committed by Mauro Carvalho Chehab
parent d5e550cf9f
commit 23fc92fad8
1 changed files with 17 additions and 11 deletions
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28
drivers/media/i2c/smiapp/smiapp-core.c
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@ -986,21 +986,27 @@ static int smiapp_read_nvm_page(struct smiapp_sensor *sensor, u32 p, u8 *nvm)
if (rval)
return rval;
for (i = 1000; i > 0; i--) {
u32 s;
if (sensor->limits[SMIAPP_LIMIT_DATA_TRANSFER_IF_CAPABILITY] &
SMIAPP_DATA_TRANSFER_IF_CAPABILITY_POLL) {
for (i = 1000; i > 0; i--) {
u32 s;
rval = smiapp_read(
sensor,
SMIAPP_REG_U8_DATA_TRANSFER_IF_1_STATUS, &s);
rval = smiapp_read(
sensor,
SMIAPP_REG_U8_DATA_TRANSFER_IF_1_STATUS,
&s);
if (rval)
return rval;
if (rval)
return rval;
if (s & SMIAPP_DATA_TRANSFER_IF_1_STATUS_RD_READY)
break;
if (s & SMIAPP_DATA_TRANSFER_IF_1_STATUS_RD_READY)
break;
}
if (!i)
return -ETIMEDOUT;
}
if (!i)
return -ETIMEDOUT;
for (i = 0; i < SMIAPP_NVM_PAGE_SIZE; i++) {
u32 v;