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msm: audio: qdsp6v2: Add support to configure ISO and ARIB coefficients

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Add support for configuring ISO or ARIB stereo mixing coefficients.
This change introduces an IOCTL through which the user space can
configure ISO or ARIB coefficients.

Change-Id: I55ffa339ac8daa2b58212774277f895a22ea048c
Signed-off-by: Amal Paul <amal@codeaurora.org>
This commit is contained in:
Amal Paul
2013-02-26 19:28:53 -08:00
committed by Gerrit - the friendly Code Review server
parent 2ca061bff0
commit 6253698708
2 changed files with 22 additions and 0 deletions
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arch/arm/mach-msm/qdsp6v2/audio_multi_aac.c
+19
View File
@@ -185,6 +185,25 @@ static long audio_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
}
break;
}
case AUDIO_SET_AAC_MIX_CONFIG: {
pr_debug("%s, AUDIO_SET_AAC_MIX_CONFIG", __func__);
if (copy_from_user(audio->codec_cfg, (void *)arg,
sizeof(unsigned long))) {
rc = -EFAULT;
break;
} else {
unsigned long *mix_coeff =
(unsigned long *)audio->codec_cfg;
pr_debug("%s, value of coeff = %lu",
__func__, *mix_coeff);
q6asm_cfg_aac_sel_mix_coef(audio->ac, *mix_coeff);
if (rc < 0)
pr_err("%s asm aac_sel_mix_coef failed rc=%d\n",
__func__, rc);
break;
}
break;
}
default:
pr_debug("Calling utils ioctl\n");
rc = audio->codec_ioctl(file, cmd, arg);
include/linux/msm_audio_aac.h
+3
View File
@@ -14,6 +14,9 @@
#define AUDIO_GET_AAC_ENC_CONFIG _IOR(AUDIO_IOCTL_MAGIC, \
(AUDIO_MAX_COMMON_IOCTL_NUM+4), struct msm_audio_aac_enc_config)
#define AUDIO_SET_AAC_MIX_CONFIG _IOR(AUDIO_IOCTL_MAGIC, \
(AUDIO_MAX_COMMON_IOCTL_NUM+5), unsigned)
#define AUDIO_AAC_FORMAT_ADTS -1
#define AUDIO_AAC_FORMAT_RAW 0x0000
#define AUDIO_AAC_FORMAT_PSUEDO_RAW 0x0001