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Merge tag 'pwm/for-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm

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Pull pwm updates from Thierry Reding:
 "Various changes across the board, mostly improvements and cleanups"

* tag 'pwm/for-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (42 commits)
  pwm: pca9685: Convert to i2c's .probe_new()
  pwm: sun4i: Propagate errors in .get_state() to the caller
  pwm: Handle .get_state() failures
  pwm: sprd: Propagate errors in .get_state() to the caller
  pwm: rockchip: Propagate errors in .get_state() to the caller
  pwm: mtk-disp: Propagate errors in .get_state() to the caller
  pwm: imx27: Propagate errors in .get_state() to the caller
  pwm: cros-ec: Propagate errors in .get_state() to the caller
  pwm: crc: Propagate errors in .get_state() to the caller
  leds: qcom-lpg: Propagate errors in .get_state() to the caller
  drm/bridge: ti-sn65dsi86: Propagate errors in .get_state() to the caller
  pwm/tracing: Also record trace events for failed API calls
  pwm: Make .get_state() callback return an error code
  pwm: pxa: Enable for MMP platform
  pwm: pxa: Add reference manual link and limitations
  pwm: pxa: Use abrupt shutdown mode
  pwm: pxa: Remove clk enable/disable from pxa_pwm_config
  pwm: pxa: Set duty cycle to 0 when disabling PWM
  pwm: pxa: Remove pxa_pwm_enable/disable
  pwm: mediatek: Add support for MT7986
  ...
This commit is contained in:
Linus Torvalds
2022-12-21 09:41:28 -08:00
parent 9cf5b508bd 8fa22f4b88
commit 7a693ea78e
42 changed files with 300 additions and 230 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/gpu/drm/bridge/ti-sn65dsi86.c
View File

@@ -1500,8 +1500,8 @@ out:
return ret;
}
static void ti_sn_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm,
struct pwm_state *state)
static int ti_sn_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm,
struct pwm_state *state)
{
struct ti_sn65dsi86 *pdata = pwm_chip_to_ti_sn_bridge(chip);
unsigned int pwm_en_inv;
@@ -1512,19 +1512,19 @@ static void ti_sn_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm,
ret = regmap_read(pdata->regmap, SN_PWM_EN_INV_REG, &pwm_en_inv);
if (ret)
return;
return ret;
ret = ti_sn65dsi86_read_u16(pdata, SN_BACKLIGHT_SCALE_REG, &scale);
if (ret)
return;
return ret;
ret = ti_sn65dsi86_read_u16(pdata, SN_BACKLIGHT_REG, &backlight);
if (ret)
return;
return ret;
ret = regmap_read(pdata->regmap, SN_PWM_PRE_DIV_REG, &pre_div);
if (ret)
return;
return ret;
state->enabled = FIELD_GET(SN_PWM_EN_MASK, pwm_en_inv);
if (FIELD_GET(SN_PWM_INV_MASK, pwm_en_inv))
@@ -1539,6 +1539,8 @@ static void ti_sn_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm,
if (state->duty_cycle > state->period)
state->duty_cycle = state->period;
return 0;
}
static const struct pwm_ops ti_sn_pwm_ops = {