Merge "hal: Fix input buffer size for fractional rate 24bit capture"

                                    int channel_count,

                                    bool is_low_latency)

{

    int i = 0;

    size_t frame_size = 0;

    size_t size = 0;

    if (check_input_parameters(sample_rate, format, channel_count) != 0)

    if (is_low_latency)

        size = configured_low_latency_capture_period_size;

    size *= audio_bytes_per_sample(format) * channel_count;

    frame_size = audio_bytes_per_sample(format) * channel_count;

    size *= frame_size;

    /* make sure the size is multiple of 32 bytes

    /* make sure the size is multiple of 32 bytes and additionally multiple of

     * the frame_size (required for 24bit samples and non-power-of-2 channel counts)

     * At 48 kHz mono 16-bit PCM:

     *  5.000 ms = 240 frames = 15*16*1*2 = 480, a whole multiple of 32 (15)

     *  3.333 ms = 160 frames = 10*16*1*2 = 320, a whole multiple of 32 (10)

     *

     *  The loop reaches result within 32 iterations, as initial size is

     *  already a multiple of frame_size

     */

    size += 0x1f;

    size &= ~0x1f;

    for (i=0; i<32; i++) {

        if ((size & 0x1f) == 0)

            break;

        size += frame_size;

    }

    return size;

}