hcontrol: use position offset macro of TLV data

A series of SNDRV_CTL_TLVO_XXX macro was introduced for position offset
of TLV data. This commit applies a code optimization.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/src/control/hcontrol.c b/src/control/hcontrol.c
index 7e7752483fb8d37eb5e174c411b9cb65f24a8f8f..0cac89567c84b52ae85a009582f2bf7dff6fd8f6 100644 (file)
--- a/src/control/hcontrol.c
+++ b/src/control/hcontrol.c
@@ -870,7 +870,7 @@ int snd_hctl_elem_tlv_write(snd_hctl_elem_t *elem, const unsigned int *tlv)
 {
        assert(elem);
        assert(tlv);
-       assert(tlv[1] >= 4);
+       assert(tlv[SNDRV_CTL_TLVO_LEN] >= 4);
        return snd_ctl_elem_tlv_write(elem->hctl->ctl, &elem->id, tlv);
 }
 
@@ -886,7 +886,7 @@ int snd_hctl_elem_tlv_command(snd_hctl_elem_t *elem, const unsigned int *tlv)
 {
        assert(elem);
        assert(tlv);
-       assert(tlv[1] >= 4);
+       assert(tlv[SNDRV_CTL_TLVO_LEN] >= 4);
        return snd_ctl_elem_tlv_command(elem->hctl->ctl, &elem->id, tlv);
 }