staging: iio: adc: remove the use of CamelCase

Remove the use of CamelCase to follow the kernel naming conventions

Signed-off-by: Ioana Ciornei <[e-mail]>
Reviewed-by: Daniel Baluta <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/iio/adc/ad7192.c

···
 #define AD7192_GPOCON_P1DAT	BIT(1) /* P1 state */
 #define AD7192_GPOCON_P0DAT	BIT(0) /* P0 state */
 
-#define AD7192_INT_FREQ_MHz	4915200
+#define AD7192_INT_FREQ_MHZ	4915200
 
 /* NOTE:
  * The AD7190/2/5 features a dual use data out ready DOUT/RDY output.
···
 	switch (pdata->clock_source_sel) {
 	case AD7192_CLK_EXT_MCLK1_2:
 	case AD7192_CLK_EXT_MCLK2:
-		st->mclk = AD7192_INT_FREQ_MHz;
+		st->mclk = AD7192_INT_FREQ_MHZ;
 		break;
 	case AD7192_CLK_INT:
 	case AD7192_CLK_INT_CO:
-		if (pdata->ext_clk_Hz)
-			st->mclk = pdata->ext_clk_Hz;
+		if (pdata->ext_clk_hz)
+			st->mclk = pdata->ext_clk_hz;
 		else
-			st->mclk = AD7192_INT_FREQ_MHz;
+			st->mclk = AD7192_INT_FREQ_MHZ;
 			break;
 	default:
 		ret = -EINVAL;

drivers/staging/iio/adc/ad7192.h

···
 struct ad7192_platform_data {
 	u16		vref_mv;
 	u8		clock_source_sel;
-	u32		ext_clk_Hz;
+	u32		ext_clk_hz;
 	bool		refin2_en;
 	bool		rej60_en;
 	bool		sinc3_en;

drivers/staging/iio/adc/ad7280a.c

···
 
 #define AD7280A_ALL_CELLS				(0xAD << 16)
 
-#define AD7280A_MAX_SPI_CLK_Hz		700000 /* < 1MHz */
+#define AD7280A_MAX_SPI_CLK_HZ		700000 /* < 1MHz */
 #define AD7280A_MAX_CHAIN		8
 #define AD7280A_CELLS_PER_DEV		6
 #define AD7280A_BITS			12
···
 
 	ad7280_crc8_build_table(st->crc_tab);
 
-	st->spi->max_speed_hz = AD7280A_MAX_SPI_CLK_Hz;
+	st->spi->max_speed_hz = AD7280A_MAX_SPI_CLK_HZ;
 	st->spi->mode = SPI_MODE_1;
 	spi_setup(st->spi);