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This patch converts the mediatek BT SCO driver code to use the new
unified PCM copy callback. It's a straightforward conversion from
*_user() to *_iter() variants. As copy_form/to_iter() updates the
internal offset at each read/write, we can drop the cur_*_idx counter
in the loop, too.
Note that copy_from/to_iter() returns the copied bytes, hence the
error condition is adjusted accordingly.
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230815190136.8987-20-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is (mostly) ignored
and this typically results in resource leaks. To improve here there is a
quest to make the remove callback return void. In the first step of this
quest all drivers are converted to .remove_new() which already returns
void.
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20230315150745.67084-107-u.kleine-koenig@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
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As the mtk_btcvsd_snd_write and mtk_btcvsd_snd_read may return error,
it should be better to catch the exception.
Fixes: 4bd8597dc36c ("ASoC: mediatek: add btcvsd driver")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20221116030750.40500-1-jiasheng@iscas.ac.cn
Signed-off-by: Mark Brown <broonie@kernel.org>
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'mtk_btcvsd_snd_probe()'
If an error occurs after a successful 'of_iomap()' call, it must be undone
by a corresponding 'iounmap()' call, as already done in the remove
function.
While at it, remove the useless initialization of 'ret' at the beginning of
the function.
Fixes: 4bd8597dc36c ("ASoC: mediatek: add btcvsd driver")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/0c2ba562c3364e61bfbd5b3013a99dfa0d9045d7.1622989685.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Mark Brown <broonie@kernel.org>
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cppcheck warning:
sound/soc/mediatek/common/mtk-btcvsd.c:783:34: style: Variable 'avail'
is assigned a value that is never used. [unreadVariable]
int written_size = count, avail = 0, cur_write_idx, write_size, cont;
^
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20210311004904.121205-2-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Fix tx/rx stream assign in write.
Write should use tx instead of rx.
Signed-off-by: Lumi Lee <lumi.lee@mediatek.com>
Link: https://lore.kernel.org/r/1606705875-1940-1-git-send-email-Lumi.Lee@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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ASoC PCM core deals the empty ioctl field now as default.
Let's kill the redundant lines.
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20191210145406.21419-10-tiwai@suse.de
Signed-off-by: Mark Brown <broonie@kernel.org>
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snd_pcm_ops is no longer needed.
Let's use component driver callback.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87lfu390dz.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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We don't need dev_err() messages when platform_get_irq() fails now that
platform_get_irq() prints an error message itself when something goes
wrong. Let's remove these prints with a simple semantic patch.
// <smpl>
@@
expression ret;
struct platform_device *E;
@@
ret =
(
platform_get_irq(E, ...)
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platform_get_irq_byname(E, ...)
);
if ( \( ret < 0 \| ret <= 0 \) )
{
(
-if (ret != -EPROBE_DEFER)
-{ ...
-dev_err(...);
-... }
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...
-dev_err(...);
)
...
}
// </smpl>
While we're here, remove braces on if statements that only have one
statement (manually).
Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.com>
Cc: alsa-devel@alsa-project.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20190730181557.90391-50-swboyd@chromium.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Fix sparse warnings:
sound/soc/mediatek/common/mtk-btcvsd.c:410:5: warning: symbol 'mtk_btcvsd_write_to_bt' was not declared. Should it be static?
sound/soc/mediatek/common/mtk-btcvsd.c:698:9: warning: symbol 'mtk_btcvsd_snd_read' was not declared. Should it be static?
sound/soc/mediatek/common/mtk-btcvsd.c:779:9: warning: symbol 'mtk_btcvsd_snd_write' was not declared. Should it be static?
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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disable = 1
enable = 0
prevent AP wake up, when not AP BTSCO scenario
Signed-off-by: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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add direct loopback path from rx to tx
Signed-off-by: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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fix tx/rx stream assign wrong direction
Signed-off-by: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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In preparation to remove the node name pointer from struct device_node,
convert printf users to use the %pOFn format specifier.
Signed-off-by: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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There is a spelling mistake in a dev_warn message. Fix this.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The driver function for transferring/receiving
BT encoded data to/from BT firmware.
Signed-off-by: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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