drm/i2c: tda998x: fix bad value in the AIF
The AIF has an uninitialized byte. This patch clears the whole buffer before filling it. Tested-by: Russell King <rmk+kernel@arm.linux.org.uk> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Jean-Francois Moine <moinejf@free.fr> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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@ -528,10 +528,10 @@ tda998x_write_aif(struct drm_encoder *encoder, struct tda998x_encoder_params *p)
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{
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uint8_t buf[PB(5) + 1];
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memset(buf, 0, sizeof(buf));
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buf[HB(0)] = 0x84;
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buf[HB(1)] = 0x01;
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buf[HB(2)] = 10;
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buf[PB(0)] = 0;
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buf[PB(1)] = p->audio_frame[1] & 0x07; /* CC */
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buf[PB(2)] = p->audio_frame[2] & 0x1c; /* SF */
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buf[PB(4)] = p->audio_frame[4];
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