Em Wed, 2 May 2018 23:53:48 +0800
Andy Yeh <andy.yeh@xxxxxxxxx> escreveu:
> From: Alan Chiang <alanx.chiang@xxxxxxxxx>
>
> DW9807 is a 10 bit DAC from Dongwoon, designed for linear
> control of voice coil motor.
>
> This driver creates a V4L2 subdevice and
> provides control to set the desired focus.
>
> Signed-off-by: Andy Yeh <andy.yeh@xxxxxxxxx>
> Reviewed-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
> Reviewed-by: Tomasz Figa <tfiga@xxxxxxxxxxxx>
> Reviewed-by: Jacopo Mondi <jacopo@xxxxxxxxxx>
> Acked-by: Rob Herring <robh@xxxxxxxxxx>
This adds a new warning.
Thanks,
Mauro
drivers/media/i2c/dw9807.c: In function 'dw9807_set_dac':
drivers/media/i2c/dw9807.c:81:16: warning: unused variable 'retry' [-Wunused-variable]
int val, ret, retry = 0;
^
Please either fix or fold the following patch.
diff --git a/drivers/media/i2c/dw9807.c b/drivers/media/i2c/dw9807.c
index 28ede2b47acf..6ebb98717fb1 100644
--- a/drivers/media/i2c/dw9807.c
+++ b/drivers/media/i2c/dw9807.c
@@ -78,7 +78,7 @@ static int dw9807_set_dac(struct i2c_client *client, u16 data)
const char tx_data[3] = {
DW9807_MSB_ADDR, ((data >> 8) & 0x03), (data & 0xff)
};
- int val, ret, retry = 0;
+ int val, ret;
/*
* According to the datasheet, need to check the bus status before we
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