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author | Takashi Iwai <tiwai@suse.de> | 2017-01-30 18:15:40 +0100 |
---|---|---|
committer | Takashi Iwai <tiwai@suse.de> | 2017-02-03 17:25:10 +0100 |
commit | 7f2e9ab5a2e1afcedd1e50650670c309e46822ac (patch) | |
tree | cb375e263a0043cebedf152bb9cff82fbc6be4ed /sound/x86 | |
parent | 055610b002c1066b8ca1919b8d051d80c9e2d86e (diff) | |
download | linux-7f2e9ab5a2e1afcedd1e50650670c309e46822ac.tar.bz2 |
ALSA: x86: Drop global ELD copy
Similarly like the previous patch, drop the global variable to keep
the ELD copy. It can be embedded in hdmi_lpe_audio_ctx as well.
And this makes easier to code, it's just a memcpy(), after all.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/x86')
-rw-r--r-- | sound/x86/intel_hdmi_lpe_audio.c | 31 |
1 files changed, 5 insertions, 26 deletions
diff --git a/sound/x86/intel_hdmi_lpe_audio.c b/sound/x86/intel_hdmi_lpe_audio.c index 775a8b947213..53864d372861 100644 --- a/sound/x86/intel_hdmi_lpe_audio.c +++ b/sound/x86/intel_hdmi_lpe_audio.c @@ -36,9 +36,6 @@ #include "intel_hdmi_lpe_audio.h" #include "intel_hdmi_audio.h" -/* globals*/ -static union otm_hdmi_eld_t hlpe_eld; - struct hdmi_lpe_audio_ctx { struct platform_device *pdev; int irq; @@ -51,29 +48,9 @@ struct hdmi_lpe_audio_ctx { int hdmi_audio_interrupt_mask; struct work_struct hdmi_audio_wq; int state; /* connection state */ + union otm_hdmi_eld_t eld; /* ELD copy */ }; -static void hdmi_set_eld(void *eld) -{ - int size; - - BUILD_BUG_ON(sizeof(hlpe_eld) > HDMI_MAX_ELD_BYTES); - - size = sizeof(hlpe_eld); - memcpy((void *)&hlpe_eld, eld, size); -} - -static int hdmi_get_eld(void *eld) -{ - u8 *eld_data = (u8 *)&hlpe_eld; - - memcpy(eld, (void *)&hlpe_eld, sizeof(hlpe_eld)); - - print_hex_dump_bytes("eld: ", DUMP_PREFIX_NONE, eld_data, - sizeof(hlpe_eld)); - return 0; -} - static void mid_hdmi_audio_signal_event(struct platform_device *pdev, enum had_event_type event) { @@ -159,7 +136,9 @@ int mid_hdmi_audio_get_caps(struct platform_device *pdev, switch (get_element) { case HAD_GET_ELD: - ret = hdmi_get_eld(capabilities); + memcpy(capabilities, &ctx->eld, sizeof(ctx->eld)); + print_hex_dump_bytes("eld: ", DUMP_PREFIX_NONE, + (u8 *)&ctx->eld, sizeof(ctx->eld)); break; case HAD_GET_DISPLAY_RATE: /* ToDo: Verify if sampling freq logic is correct */ @@ -292,7 +271,7 @@ static void notify_audio_lpe(struct platform_device *pdev) break; } - hdmi_set_eld(eld->eld_data); + memcpy(&ctx->eld, eld->eld_data, sizeof(ctx->eld)); mid_hdmi_audio_signal_event(pdev, HAD_EVENT_HOT_PLUG); |