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authorSakari Ailus <sakari.ailus@linux.intel.com>2014-09-16 16:19:37 -0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2014-10-28 13:40:41 -0200
commit183bec80ce80b3f71dadb601e7e2fc9f712b1d52 (patch)
treec6adf4d3847cf39a5f0d4f4fff61a7e0893197e3 /drivers/media/i2c/smiapp/smiapp-core.c
parent83313d9ff6e083bf1e6062520a57b6cc3e029172 (diff)
[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>
Diffstat (limited to 'drivers/media/i2c/smiapp/smiapp-core.c')
-rw-r--r--drivers/media/i2c/smiapp/smiapp-core.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/media/i2c/smiapp/smiapp-core.c b/drivers/media/i2c/smiapp/smiapp-core.c
index 861312e1a48a..4d3dc25eb4a8 100644
--- a/drivers/media/i2c/smiapp/smiapp-core.c
+++ b/drivers/media/i2c/smiapp/smiapp-core.c
@@ -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;