[PATCH] staging: fbtft: fb_upd161704: replace udelay with usleep_range
From: <hidden>
Date: 2026-02-18 18:14:03
From: Tomasz Unger <redacted> Signed-off-by: Tomasz Unger <redacted> --- drivers/staging/fbtft/fb_upd161704.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/drivers/staging/fbtft/fb_upd161704.c b/drivers/staging/fbtft/fb_upd161704.c
index c680160d6380..62862f021b28 100644
--- a/drivers/staging/fbtft/fb_upd161704.c
+++ b/drivers/staging/fbtft/fb_upd161704.c@@ -32,27 +32,27 @@ static int init_display(struct fbtft_par *par) /* oscillator start */ write_reg(par, 0x003A, 0x0001); /*Oscillator 0: stop, 1: operation */ - udelay(100); + usleep_range(100, 110); /* y-setting */ write_reg(par, 0x0024, 0x007B); /* amplitude setting */ - udelay(10); + usleep_range(10, 12); write_reg(par, 0x0025, 0x003B); /* amplitude setting */ write_reg(par, 0x0026, 0x0034); /* amplitude setting */ - udelay(10); + usleep_range(10, 12); write_reg(par, 0x0027, 0x0004); /* amplitude setting */ write_reg(par, 0x0052, 0x0025); /* circuit setting 1 */ - udelay(10); + usleep_range(10, 12); write_reg(par, 0x0053, 0x0033); /* circuit setting 2 */ write_reg(par, 0x0061, 0x001C); /* adjustment V10 positive polarity */ - udelay(10); + usleep_range(10, 12); write_reg(par, 0x0062, 0x002C); /* adjustment V9 negative polarity */ write_reg(par, 0x0063, 0x0022); /* adjustment V34 positive polarity */ - udelay(10); + usleep_range(10, 12); write_reg(par, 0x0064, 0x0027); /* adjustment V31 negative polarity */ - udelay(10); + usleep_range(10, 12); write_reg(par, 0x0065, 0x0014); /* adjustment V61 negative polarity */ - udelay(10); + usleep_range(10, 12); write_reg(par, 0x0066, 0x0010); /* adjustment V61 negative polarity */ /* Basical clock for 1 line (BASECOUNT[7:0]) number specified */
@@ -60,7 +60,7 @@ static int init_display(struct fbtft_par *par) /* Power supply setting */ write_reg(par, 0x0019, 0x0000); /* DC/DC output setting */ - udelay(200); + usleep_range(200, 220); write_reg(par, 0x001A, 0x1000); /* DC/DC frequency setting */ write_reg(par, 0x001B, 0x0023); /* DC/DC rising setting */ write_reg(par, 0x001C, 0x0C01); /* Regulator voltage setting */
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2.53.0