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    Subject[PATCH 03/74] ASoC: pcm: allow backend hardware to be freed in pause state
    Date
    3.5.7.4 -stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Patrick Lai <plai@codeaurora.org>

    commit 08b27848da620f206a8b6d80f26184485dd7aa40 upstream.

    When front-end PCM session is in paused state, back-end
    PCM session will be put in paused state as well if given
    front-end PCM session is the only client of given back-end.
    Then, application closes front-end PCM session, DPCM
    framework will not allow back-end enters HW_FREE state
    so back-end will never get shutdown completely.

    Signed-off-by: Patrick Lai <plai@codeaurora.org>
    Acked-by: Liam Girdwood <lrg@ti.com>
    Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
    Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@canonical.com>
    ---
    sound/soc/soc-pcm.c | 1 +
    1 file changed, 1 insertion(+)

    diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
    index 48fd15b..6f2bad0 100644
    --- a/sound/soc/soc-pcm.c
    +++ b/sound/soc/soc-pcm.c
    @@ -1240,6 +1240,7 @@ static int dpcm_be_dai_hw_free(struct snd_soc_pcm_runtime *fe, int stream)
    if ((be->dpcm[stream].state != SND_SOC_DPCM_STATE_HW_PARAMS) &&
    (be->dpcm[stream].state != SND_SOC_DPCM_STATE_PREPARE) &&
    (be->dpcm[stream].state != SND_SOC_DPCM_STATE_HW_FREE) &&
    + (be->dpcm[stream].state != SND_SOC_DPCM_STATE_PAUSED) &&
    (be->dpcm[stream].state != SND_SOC_DPCM_STATE_STOP))
    continue;

    --
    1.7.9.5


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