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Commit 29a4c3c9 authored by Jhansi Konathala's avatar Jhansi Konathala
Browse files

ASoc: Fix for dtmf tone play issue 



Fix the data corruption happening because of
misaligned datatypes so that DTMF can be played
for more than 32767 seconds.

Change-Id: I199d6d10e9f184665d8f03a2265d0bcd8ae16590
Signed-off-by: default avatarJhansi Konathala <cjkonat@codeaurora.org>
parent ae5dca48

asoc/msm-pcm-dtmf-v2.c

+7 −1
Original line number Diff line number Diff line
@@ -20,6 +20,8 @@ 


#define DRV_NAME "msm-pcm-dtmf-v2"



#define DTMF_MAX_DURATION 65535



enum {

	DTMF_IN_RX,

	DTMF_IN_TX,
@@ -94,8 +96,12 @@ static int msm_dtmf_rx_generate_put(struct snd_kcontrol *kcontrol, 
	int64_t duration = ucontrol->value.integer.value[2];

	uint16_t gain = ucontrol->value.integer.value[3];



	pr_debug("%s: low_freq=%d high_freq=%d duration=%d gain=%d\n",

	pr_debug("%s: low_freq=%d high_freq=%d duration=%lld gain=%d\n",

		 __func__, low_freq, high_freq, (int)duration, gain);



	if (duration == DTMF_MAX_DURATION)

		duration = -1;



	afe_dtmf_generate_rx(duration, high_freq, low_freq, gain);

	return 0;

}