backlight: ili922x: Remove redundant variable len
The variable len is assigned but never read, therefore it is redundant and can be removed. Cleans up clang warning: drivers/video/backlight/ili922x.c:276:2: warning: Value stored to 'len' is never read Signed-off-by: Colin Ian King <colin.king@canonical.com> Acked-by: Daniel Thompson <daniel.thompson@linaro.org> Acked-by: Jingoo Han <jingoohan1@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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@ -251,7 +251,7 @@ static int ili922x_write(struct spi_device *spi, u8 reg, u16 value)
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struct spi_transfer xfer_regindex, xfer_regvalue;
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unsigned char tbuf[CMD_BUFSIZE];
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unsigned char rbuf[CMD_BUFSIZE];
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int ret, len = 0;
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int ret;
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memset(&xfer_regindex, 0, sizeof(struct spi_transfer));
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memset(&xfer_regvalue, 0, sizeof(struct spi_transfer));
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@ -273,7 +273,6 @@ static int ili922x_write(struct spi_device *spi, u8 reg, u16 value)
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ret = spi_sync(spi, &msg);
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spi_message_init(&msg);
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len = 0;
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tbuf[0] = set_tx_byte(START_BYTE(ili922x_id, START_RS_REG,
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START_RW_WRITE));
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tbuf[1] = set_tx_byte((value & 0xFF00) >> 8);
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