Merge "input: qti-haptics: Add FF_GAIN capability support" (c51f11c5) · Commits · e / devices / android_kernel_fairphone_FP3

drivers/input/misc/qti-haptics.c

+18 −0

Original line number	Diff line number	Diff line
		@@ -969,6 +969,22 @@ static int qti_haptics_erase(struct input_dev *dev, int effect_id)
		return rc;
		}

		static void qti_haptics_set_gain(struct input_dev *dev, u16 gain)
		{
		struct qti_hap_chip *chip = input_get_drvdata(dev);
		struct qti_hap_config *config = &chip->config;
		struct qti_hap_play_info *play = &chip->play;

		if (gain == 0)
		return;

		if (gain > 0x7fff)
		gain = 0x7fff;

		play->vmax_mv = ((u32)(gain * config->vmax_mv)) / 0x7fff;
		qti_haptics_config_vmax(chip, play->vmax_mv);
		}

		static int qti_haptics_hw_init(struct qti_hap_chip *chip)
		{
		struct qti_hap_config *config = &chip->config;
		@@ -1429,6 +1445,7 @@ static int qti_haptics_probe(struct platform_device *pdev)
		chip->input_dev = input_dev;

		input_set_capability(input_dev, EV_FF, FF_CONSTANT);
		input_set_capability(input_dev, EV_FF, FF_GAIN);
		if (chip->effects_count != 0) {
		input_set_capability(input_dev, EV_FF, FF_PERIODIC);
		input_set_capability(input_dev, EV_FF, FF_CUSTOM);
		@@ -1449,6 +1466,7 @@ static int qti_haptics_probe(struct platform_device *pdev)
		ff->upload = qti_haptics_upload_effect;
		ff->playback = qti_haptics_playback;
		ff->erase = qti_haptics_erase;
		ff->set_gain = qti_haptics_set_gain;

		rc = input_register_device(input_dev);
		if (rc < 0) {