Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Input: aw86927 - respect vibration magnitude levels
Previously the gain value was hardcoded. Take the magnitude passed via
the input API and configure the gain register accordingly.
Signed-off-by: Griffin Kroah-Hartman <griffin.kroah@fairphone.com>
Link: https://patch.msgid.link/20260302-aw86938-driver-v4-1-92c865df9cca@fairphone.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
authored by
Griffin Kroah-Hartman
and committed by
Dmitry Torokhov
53ba7a47
4decd8f4
+7
-7
+7
-7
drivers/input/misc/aw86927.c
+7
-7
drivers/input/misc/aw86927.c
···
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struct i2c_client *client;
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struct regmap *regmap;
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struct gpio_desc *reset_gpio;
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bool running;
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u16 level;
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};
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static const struct regmap_config aw86927_regmap_config = {
···
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if (!level)
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level = effect->u.rumble.weak_magnitude;
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/* If already running, don't restart playback */
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if (haptics->running && level)
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/* If level does not change, don't restart playback */
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if (haptics->level == level)
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return 0;
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-
haptics->running = level;
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haptics->level = level;
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schedule_work(&haptics->play_work);
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return 0;
···
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if (err)
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return err;
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/* set gain to value lower than 0x80 to avoid distorted playback */
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err = regmap_write(haptics->regmap, AW86927_PLAYCFG2_REG, 0x7c);
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err = regmap_write(haptics->regmap, AW86927_PLAYCFG2_REG, haptics->level * 0x80 / 0xffff);
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if (err)
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return err;
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···
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struct device *dev = &haptics->client->dev;
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int err;
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-
if (haptics->running)
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if (haptics->level)
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err = aw86927_play_sine(haptics);
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else
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err = aw86927_stop(haptics);