diff options
Diffstat (limited to 'modules/usbaudio/audio_hal.c')
| -rw-r--r-- | modules/usbaudio/audio_hal.c | 86 |
1 files changed, 29 insertions, 57 deletions
diff --git a/modules/usbaudio/audio_hal.c b/modules/usbaudio/audio_hal.c index cc9e4f7c..c847ae0f 100644 --- a/modules/usbaudio/audio_hal.c +++ b/modules/usbaudio/audio_hal.c @@ -158,26 +158,17 @@ struct stream_in { }; // Map channel count to output channel mask -static const audio_channel_mask_t OUT_CHANNEL_MASKS_MAP[FCC_24 + 1] = { - [0] = AUDIO_CHANNEL_NONE, // == 0 (so this line is optional and could be omitted) - // != AUDIO_CHANNEL_INVALID == 0xC0000000u - - [1] = AUDIO_CHANNEL_OUT_MONO, - [2] = AUDIO_CHANNEL_OUT_STEREO, - [3] = AUDIO_CHANNEL_OUT_2POINT1, - [4] = AUDIO_CHANNEL_OUT_QUAD, - [5] = AUDIO_CHANNEL_OUT_PENTA, - [6] = AUDIO_CHANNEL_OUT_5POINT1, - [7] = AUDIO_CHANNEL_OUT_6POINT1, - [8] = AUDIO_CHANNEL_OUT_7POINT1, - - [9 ... 11] = AUDIO_CHANNEL_NONE, // == 0 (so this line is optional and could be omitted). - - [12] = AUDIO_CHANNEL_OUT_7POINT1POINT4, - - [13 ... 23] = AUDIO_CHANNEL_NONE, // == 0 (so this line is optional and could be omitted). - - [24] = AUDIO_CHANNEL_OUT_22POINT2, +static const audio_channel_mask_t OUT_CHANNEL_MASKS_MAP[] = { + AUDIO_CHANNEL_NONE, /* 0 */ + AUDIO_CHANNEL_OUT_MONO, /* 1 */ + AUDIO_CHANNEL_OUT_STEREO, /* 2 */ + AUDIO_CHANNEL_OUT_2POINT1, /* 3 */ + AUDIO_CHANNEL_OUT_QUAD, /* 4 */ + AUDIO_CHANNEL_OUT_PENTA, /* 5 */ + AUDIO_CHANNEL_OUT_5POINT1, /* 6 */ + AUDIO_CHANNEL_OUT_6POINT1, /* 7 */ + AUDIO_CHANNEL_OUT_7POINT1 /* 8 */ + /* channel counts greater than this are not considered */ }; static const int OUT_CHANNEL_MASKS_SIZE = AUDIO_ARRAY_SIZE(OUT_CHANNEL_MASKS_MAP); @@ -191,38 +182,22 @@ static const audio_channel_mask_t IN_CHANNEL_MASKS_MAP[] = { static const int IN_CHANNEL_MASKS_SIZE = AUDIO_ARRAY_SIZE(IN_CHANNEL_MASKS_MAP); // Map channel count to index mask -static const audio_channel_mask_t CHANNEL_INDEX_MASKS_MAP[FCC_24 + 1] = { - [0] = AUDIO_CHANNEL_NONE, // == 0 (so this line is optional and could be omitted). - - [1] = AUDIO_CHANNEL_INDEX_MASK_1, - [2] = AUDIO_CHANNEL_INDEX_MASK_2, - [3] = AUDIO_CHANNEL_INDEX_MASK_3, - [4] = AUDIO_CHANNEL_INDEX_MASK_4, - [5] = AUDIO_CHANNEL_INDEX_MASK_5, - [6] = AUDIO_CHANNEL_INDEX_MASK_6, - [7] = AUDIO_CHANNEL_INDEX_MASK_7, - [8] = AUDIO_CHANNEL_INDEX_MASK_8, - - [9] = AUDIO_CHANNEL_INDEX_MASK_9, - [10] = AUDIO_CHANNEL_INDEX_MASK_10, - [11] = AUDIO_CHANNEL_INDEX_MASK_11, - [12] = AUDIO_CHANNEL_INDEX_MASK_12, - [13] = AUDIO_CHANNEL_INDEX_MASK_13, - [14] = AUDIO_CHANNEL_INDEX_MASK_14, - [15] = AUDIO_CHANNEL_INDEX_MASK_15, - [16] = AUDIO_CHANNEL_INDEX_MASK_16, - - [17] = AUDIO_CHANNEL_INDEX_MASK_17, - [18] = AUDIO_CHANNEL_INDEX_MASK_18, - [19] = AUDIO_CHANNEL_INDEX_MASK_19, - [20] = AUDIO_CHANNEL_INDEX_MASK_20, - [21] = AUDIO_CHANNEL_INDEX_MASK_21, - [22] = AUDIO_CHANNEL_INDEX_MASK_22, - [23] = AUDIO_CHANNEL_INDEX_MASK_23, - [24] = AUDIO_CHANNEL_INDEX_MASK_24, +static const audio_channel_mask_t CHANNEL_INDEX_MASKS_MAP[] = { + AUDIO_CHANNEL_NONE, /* 0 */ + AUDIO_CHANNEL_INDEX_MASK_1, /* 1 */ + AUDIO_CHANNEL_INDEX_MASK_2, /* 2 */ + AUDIO_CHANNEL_INDEX_MASK_3, /* 3 */ + AUDIO_CHANNEL_INDEX_MASK_4, /* 4 */ + AUDIO_CHANNEL_INDEX_MASK_5, /* 5 */ + AUDIO_CHANNEL_INDEX_MASK_6, /* 6 */ + AUDIO_CHANNEL_INDEX_MASK_7, /* 7 */ + AUDIO_CHANNEL_INDEX_MASK_8 /* 8 */ + /* channel counts greater than this are not considered */ }; static const int CHANNEL_INDEX_MASKS_SIZE = AUDIO_ARRAY_SIZE(CHANNEL_INDEX_MASKS_MAP); + + /* * Locking Helpers */ @@ -426,10 +401,7 @@ static unsigned int populate_channel_mask_from_profile(const alsa_device_profile unsigned int num_channel_masks = 0; const audio_channel_mask_t* channel_masks_map = is_output ? OUT_CHANNEL_MASKS_MAP : IN_CHANNEL_MASKS_MAP; - int channel_masks_size = is_output ? OUT_CHANNEL_MASKS_SIZE : IN_CHANNEL_MASKS_SIZE; - if (channel_masks_size > FCC_LIMIT + 1) { - channel_masks_size = FCC_LIMIT + 1; - } + const int channel_masks_size = is_output ? OUT_CHANNEL_MASKS_SIZE : IN_CHANNEL_MASKS_SIZE; unsigned int channel_count = 0; for (size_t i = 0; i < min(channel_masks_size, AUDIO_PORT_MAX_CHANNEL_MASKS) && (channel_count = profile->channel_counts[i]) != 0 && @@ -902,8 +874,8 @@ static int adev_open_output_stream(struct audio_hw_device *hw_dev, } /* The Framework is currently limited to no more than this number of channels */ - if (out->hal_channel_count > FCC_LIMIT) { - out->hal_channel_count = FCC_LIMIT; + if (out->hal_channel_count > FCC_8) { + out->hal_channel_count = FCC_8; calc_mask = true; } @@ -1383,8 +1355,8 @@ static int adev_open_input_stream(struct audio_hw_device *hw_dev, } /* The Framework is currently limited to no more than this number of channels */ - if (in->hal_channel_count > FCC_LIMIT) { - in->hal_channel_count = FCC_LIMIT; + if (in->hal_channel_count > FCC_8) { + in->hal_channel_count = FCC_8; calc_mask = true; } |