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[media] smiapp: Split calculating PLL with sensor's limits from updating it 

The first one is handy for just trying out a PLL configuration without a
need to apply it.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Sakari Ailus 2014-09-16 16:19:37 -03:00 committed by Mauro Carvalho Chehab
parent 83313d9ff6
commit 183bec80ce
1 changed files with 9 additions and 2 deletions
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11
drivers/media/i2c/smiapp/smiapp-core.c
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@ -240,7 +240,8 @@ static int smiapp_pll_configure(struct smiapp_sensor *sensor)
sensor, SMIAPP_REG_U16_OP_SYS_CLK_DIV, pll->op.sys_clk_div);
}
static int smiapp_pll_update(struct smiapp_sensor *sensor)
static int smiapp_pll_try(struct smiapp_sensor *sensor,
struct smiapp_pll *pll)
{
struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd);
struct smiapp_pll_limits lim = {
@ -274,6 +275,12 @@ static int smiapp_pll_update(struct smiapp_sensor *sensor)
.min_line_length_pck_bin = sensor->limits[SMIAPP_LIMIT_MIN_LINE_LENGTH_PCK_BIN],
.min_line_length_pck = sensor->limits[SMIAPP_LIMIT_MIN_LINE_LENGTH_PCK],
};
return smiapp_pll_calculate(&client->dev, &lim, pll);
}
static int smiapp_pll_update(struct smiapp_sensor *sensor)
{
struct smiapp_pll *pll = &sensor->pll;
int rval;
@ -284,7 +291,7 @@ static int smiapp_pll_update(struct smiapp_sensor *sensor)
pll->scale_m = sensor->scale_m;
pll->bits_per_pixel = sensor->csi_format->compressed;
rval = smiapp_pll_calculate(&client->dev, &lim, pll);
rval = smiapp_pll_try(sensor, pll);
if (rval < 0)
return rval;